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Technical Information

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■S5M

● Pulley Shape

Shape A

Shape B

Standard Tooth Profile

[ ! ]

Tooth groove dimensions slightly vary according to the number of teeth. (Pitch: 5.0mm)

Open the technical drawing in the new window

Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■Belt Nominal Width / Dimensions

mm	Nominal
mm	S5M100	S5M150	S5M200	S5M250
A	11	17	22	27
W	16	22	27	32
L	28	34	39	44

■Tapped Hole Dimensions (Shaft Bore Specs.: P, N, C)

d_H7 Shaft Bore I.D.	M (Coarse)	Accessory Set Screws
5	M3	M3 × 3
6 to 12	M4	M4 × 3
13 to 17	M5	M5 × 4
18 to 30	M6	M6 × 5
31 to 45	M8	M8 × 6
46 to 70	M10	M10 × 8

[ ! ] For aluminum and stainless steel flanges, the flange thickness is 1.5.
[ ! ] Shaft Bore Specs. H (Round hole), V or F (Stepped Hole), Y (Both Sides Stepped Hole) and WB (Two-stepped Hole) do not have tapped holes.
[ ! ] The tolerance of the tap position dimension from the boss end face and pulley end face is ±0.3.
[ ! ] Unless otherwise specified except for teeth and F dimensions, the dimension tolerance conforms to JIS B 0405 Class m.

● Shaft Bore Specification Select shaft bore spec mark and each dim. from the table below. [!] Surface treatment may not be applied to the shaft bores.

H round hole

P Round Hole + Tap

[ ! ] For A-Shape pulley, the screw holes are
set at around 120° to keep away from peaks.

N New JIS Keyway + Tap
C Old JIS Keyway + Tap

V Stepped Hole

[ ! ] Z - d ≥ 2
[ ! ] 2.0 ≤ J ≤ W－2.0

F Stepped Hole
(Counterbored Hole on the Hub Side)

[ ! ] Applicable to Shape B only
[ ! ] Z - d ≥ 2
[ ! ]2.0 ≤ J ≤ L－2.0

Y Both Ends Stepped Hole

[ ! ] Applicable to Shape A only
[ ! ]Q (R)－Y ≥ 2
[ ! ]S+T ≤ W－3.0
[ ! ]S (T) ≥ 3.0

WB Two-stepped hole

[ ! ] Applicable to Shape A only
[ ! ] Q－R ≥ 2
[ ! ] R－WB ≥ 2
[ ! ] S+T ≤ W－3.0
[ ! ] S (T) ≥ 3.0

■Types Table

Type	Belt Width				[M] Material		[S] Surface Treatment	[A] Accessory Set Screws
	10 mm	15 mm	20 mm	25 mm	Pulley	Flange
	S5M100	S5M150	S5M200	S5M250	Pulley	Flange
HTPA	●	●	●	●	Aluminum alloy	Aluminum alloy	Clear Anodize	EN 1.4301 Equiv.
HTPB	●	●	●	●			Black Anodize
HTPK	●	●	●	●			Hard Clear Anodize
HTPN	●	●	●	●			Electroless nickel plating
HTPT	●	●	●	●	EN 1.1191 Equiv.	EN 1.0330 Equiv.	—	EN 1.7220 Equiv. (Black Oxide)
HTPM	●	●	●	●			Black Oxide Coating
HTPP	●	●	●	●			Electroless nickel plating
HTPS	●	●	●	●	EN 1.4301 Equiv.	EN 1.4301 Equiv.	—	EN 1.4301 Equiv.

[ ! ] Flange is already swaged, and set screws are included for Shaft Bores P, N and C.

N: New JIS (B1301) Keyway Dimensions

Nominal	d_H7		b_JS9		t Tolerance
N8	8	+0.015 0	3	±0.0125	1.4	+0.1 0
N10	10		3	±0.0125	1.4
NK10	10		4	±0.0150	1.8
N11	11	+0.018 0
N12	12
N13	13		5		2.3
N14	14
N15	15
N16	16
N17	17
N18	18		6		2.8
N19	19	+0.021 0
N20	20
N21	21
N22	22
N23	23		8	±0.0180	3.3	+0.2 0
N24	24
N25	25
N26	26
N27	27
N28	28
N29	29
N30	30
N31	31	+0.025 0	10
N32	32
N33	33
N34	34
N35	35
N36	36
N37	37
N38	38
N39	39		12	±0.0215	3.3
N40	40
N41	41
N42	42
N43	43
N44	44
N45	45		14		3.8
N46	46
N47	47
N48	48
N49	49
N50	50
N55	55	+0.030 0	16		4.3

C: Old JIS keyway Dimensions

d_H7 Shaft Bore Dia. and Code	b_F7		t Tolerance
C10	4	+0.022 +0.010	1.5	+0.1 0
C12
C15	5		2
C16
C18
C19
C20

ay Dimensions

Further specifications can be found under the tab More Information.

Composition of a Product Code - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part number

—

Pulley Shape

—

Shaft Bore Specs.: I.D.

—

(Shaft Bore Specs.: H, P, N, C)

HTPA20S5M150

—

NK10

(Shaft Bore Specs.: V, F)

HTPA26S5M150

—

V10

—

Z23

—

J16.0

(Shaft Bore Specs.: Y, WB)

HTPA40S5M250

—

Y17

—

Q35

—

R35

—

S10

—

T10

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part number

—

Pulley Shape

—

Shaft Bore Specs.: I.D.

—

(KC90, etc.)

HTPM60S5M150

—

H30

—

KSC50

Alterations	Set Screw Angle Change	No Flange	Single Flange	Flange Cut
Code	KC90	NFC	RFC·LFC	FC
Spec.	Changes an angle of set screw to 90°. [ ! ] For A-Shape pulley, the screw holes are set at around 90° to keep away from peaks.	(Flange 2 pcs. Included) Ordering Code NFC	(Flange 1 pc. Included) Ordering Code RFC	Cut the flange O.D. in 0.5 mm increments. Ordering Code FC17 Application Notes [ ! ]FC ≥ (O.D.) +1 [ ! ]FC ≤ F－2 [ ! ] No surface treatment is applied on flange circumference.

Alterations

Retaining Ring Groove

Taper for Bearing Holder

Hub Shortening

Tapped Hole Dimensions

Included Set Screw Length Change

Code

SRG

BTC

TPC

SLH

Spec.

Retaining Ring Groove applicable to the shaft dia. of stepped hole is machined.

Specify SRG 2.5-24.5 mm
0.5 mm Increments
Application Notes
[ ! ] Minimum Thickness: 2 mm
[ ! ] Applicable to Shaft Bore
Specs. V and F only
[ ! ] Standards of retaining ring groove for Z dim. is applied
[ ! ] n ≤ J−SRG−m
Ordering Code SRG7

Taper for retaining bearing inner ring

Ordering Code BTC6－TL1.5
Application Notes
[ ! ] Applicable to Shape A only
[ ! ] Applicable to Shaft Bore
Specs. H and P only
　
[ ! ]TL < L−W
[ ! ] When E-D ≤ 6, one side installed
and 1 pc. of flange included
　
　

Cuts the hub length in 0.5 mm increments.
Ordering Code BC6.5
Application Notes

[!] Shaft Bore Specs.
H, V, F:
3 ≤ BC < L－W
[!] Shaft Bore Specs.
P, N, C:
M+3 ≤ BC < L−W
[NG] Not applicable to Shape A

Ordering Code TPC5
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

M	TPC
M3	M4
M4	M3·M5
M5	M4·M6
M6	M5·M8
M8	M6·M10
M10	M8

Ordering Code SLH10
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

Set Screws	SLH
M3 × 3	6
M4 × 3	5·8
M5 × 4	6·10
M6 × 5	10
M8 × 6	10·12
M10 × 8	12·15

Alterations	Add Side Holes [!] Conditions may vary depending on the shaft bore specs.
Alterations	Side Tapped Hole	Side Through Hole	Side Counterbored
Code	QTC·QFC·QSC	KTC·KFC·KSC	ZTC·ZFC·ZSC
Spec.	Machines tapped hole on the side surface of hub side. Ordering Code QTC28−M4 Q□C Selection Specify the hole position (P. C. D. dim.). M Selection M3, M4, M5, M6, M8 Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)	Machines through hole on the side surface. Ordering Code KTC28−K4.5 K□C Selection Specify the hole position (P. C. D. dim.). Specify K K4.0 to 13.0 (0.5 mm Increments) Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)	Machines counterbored hole on the side surface. Ordering Code ZTC28−ZM4 Z□C Selection Specify the hole position (P. C. D. dim.). ZM Selection ZM3, ZM4, ZM5, ZM6, ZM8 Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)

Here to the Overview of Options as PDF .

General Information - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Toothed pulley - synchronous pulley - belt pulley - product assortment

Selection details of toothed pulleys/timing pulleys/idler pulleys

- Material: aluminum, steel, stainless steel (stainless steel), plastic

- Coatings: uncoated, burnished, anodized, nickel-plated

- Profile form: 1.5GT, 2GT, 3GT, 5GT, P2M, P3M, P5M, P8M, S2M, S3M, S5M, S8M, S14M, T2.5, T5, T10, AT5, AT10, 5M, 8M, 14M, 8YU, H, L, MXL, XL, PowerGrip GT3: MR2, MR3, MR5

- ISO tolerances: H7

- Belt width (mm): 4, 4.8, 6, 6.4, 7, 7.9, 9, 9.5, 10, 12, 12.7, 15, 18, 19.1, 20, 25, 25.4, 26, 28, 30, 31, 38,1, 40, 50, 50.8, 53, 60, 74, 76.2, 100

- Belt width (inches): 0.19, 0.25, 0.31, 0.37, 0.5, 0.75, 1, 1.5, 2

- Number of teeth: 10 to 72

Description/Basics

The toothed pulley for mechanical engineering is intended for the transmission of force and torque. Timing pulleys enable a gear ratio of speeds through belt pulleys of different sizes. Timing pulleys are more efficient, durable and significantly more maintenance-friendly compared to chain transmissions.

How much torque and load a timing pulley can transmit depends on the width of the belt. The width of the belt must be calculated. It is recommended to ensure the belt is correctly tensioned. MISUMI already offers the suitable idler pulley and return rollers with integrated ball bearings. For design and design help follow this link.

Different profile shapes of the toothed belts and belt pulleys are responsible for the transmission of power. Depending on the positioning accuracy, the applied torque and the conveying weight, MISUMI offers the fitting pulley. Toothed belt drives are generally used in the industry in three areas:
Positioning: Timing pulleys is often used in 3D printers. A toothed pulley with a semi-circular profile (e.g., GT) is often used for the required position accuracy of a 3D printers. The round shape offers the benefit of little play when the direction changes.
Drive: toothed pulleys are also used for high torque. In most cases, a timing pulley with a rounded trapezoidal profile (e.g., S8M) is used. These are particularly well suited for the transmission of high forces, which occur in drives of various applications in order to drive mechanical components.
Conveying: toothed pulleys can also be used for transporting loads. A straight trapezoidal profile is often used for this purpose (e.g., AT). This toothed pulley shape offers a large surface for loading and transmitting of loads.

Which toothed pulley or timing pulley is the right one for your application depends on the respective task of the toothed belt drive. Different toothed disc profiles have proven themselves for each type of application.

Various bore hole shapes and fastening variants are available for shaft mounting. These allow fastening via set screws, keyways and by means of Mecha locks. Fastening via a clamping sleeve has the further advantage that it allows adjusting the alignment continuously. The MISUMI product assortment has these ready-to-install.

Application Examples - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Application example: idler pulley - idler pully toothed with chain tensioner - toothed pulley with chain tensioner

Application example: idler pulley
(1) Idler pulleys, (2) chain tensioner

Application example: return roller - return roller with cantilever pin - synchronous pulley with on-board disc - toothed pulley with on-board disc

Application example: deflection roller
S (1) Toothed pulleys with crimp disc, (2) nut, (3) washer, (4) cantilever shaft, (5) retaining ring

Application example: synchronous pulleys - toothed pulleys with toothed belts - toothed pulley with screw-on clamp

Application example: timing pulleys
(1) Flat head screw, (2) Timing pulley, (3) Timing belt, (4) Screw-on terminal

Application example: toothed belt drives - toothed pulleys with crimp disc - idler pulley with crimp disc - tensioning of the toothed belt

Application example: of toothed belt drives
(1) Toothed belt, (2) driven toothed pulley with crimp disc, (3) idler pulley with crimp disc, (4) driving toothed pulley with crimp disc

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
HTPA47S5M200-B-P[12-40/1]
HTPA47S5M200-B-V[12-50/1]
HTPA47S5M250-B-C[12,15,16,18,19,20]
HTPA47S5M250-B-F[12-50/1]
HTPA47S5M250-B-H[12-52/1]
HTPA47S5M250-B-N[12-36/1]
HTPA47S5M250-B-P[12-40/1]
HTPA47S5M250-B-V[12-50/1]
HTPA48S5M100-B-C[12,15,16,18,19,20]
HTPA48S5M100-B-F[12-54/1]
HTPA48S5M100-B-H[12-56/1]
HTPA48S5M100-B-N[12-40/1]
HTPA48S5M100-B-P[12-45/1]
HTPA48S5M100-B-V[12-54/1]
HTPA48S5M150-B-C[12,15,16,18,19,20]
HTPA48S5M150-B-F[12-54/1]
HTPA48S5M150-B-H[12-56/1]
HTPA48S5M150-B-N[12-40/1]
HTPA48S5M150-B-P[12-45/1]
HTPA48S5M150-B-V[12-54/1]
HTPA48S5M200-B-C[12,15,16,18,19,20]
HTPA48S5M200-B-F[12-54/1]
HTPA48S5M200-B-H[12-56/1]
HTPA48S5M200-B-N[12-40/1]
HTPA48S5M200-B-P[12-45/1]
HTPA48S5M200-B-V[12-54/1]
HTPA48S5M250-B-C[12,15,16,18,19,20]
HTPA48S5M250-B-F[12-54/1]
HTPA48S5M250-B-H[12-56/1]
HTPA48S5M250-B-N[12-40/1]
HTPA48S5M250-B-P[12-45/1]
HTPA48S5M250-B-V[12-54/1]
HTPA49S5M100-B-C[12,15,16,18,19,20]
HTPA49S5M100-B-F[12-54/1]
HTPA49S5M100-B-H[12-56/1]
HTPA49S5M100-B-N[12-40/1]
HTPA49S5M100-B-P[12-45/1]
HTPA49S5M100-B-V[12-54/1]
HTPA49S5M150-B-C[12,15,16,18,19,20]
HTPA49S5M150-B-F[12-54/1]
HTPA49S5M150-B-H[12-56/1]
HTPA49S5M150-B-N[12-40/1]
HTPA49S5M150-B-P[12-45/1]
HTPA49S5M150-B-V[12-54/1]
HTPA49S5M200-B-C[12,15,16,18,19,20]
HTPA49S5M200-B-F[12-54/1]
HTPA49S5M200-B-H[12-56/1]
HTPA49S5M200-B-N[12-40/1]
HTPA49S5M200-B-P[12-45/1]
HTPA49S5M200-B-V[12-54/1]
HTPA49S5M250-B-C[12,15,16,18,19,20]
HTPA49S5M250-B-F[12-54/1]
HTPA49S5M250-B-H[12-56/1]
HTPA49S5M250-B-N[12-40/1]
HTPA49S5M250-B-P[12-45/1]
HTPA49S5M250-B-V[12-54/1]
HTPA50S5M100-B-C[12,15,16,18,19,20]
HTPA50S5M100-B-F[12-57/1]
HTPA50S5M100-B-H[12-59/1]
HTPA50S5M100-B-N[12-43/1]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Belt Width (mm)	[T] Number of Teeth	Pulley Shape	Material	Surface Treatment	[Y] Shaft Bore Specification (Both Ends Stepped Hole) (mm)	[N] Shaft Bore Specification (New JIS Keyway Hole + Tap) (mm)	[C] Shaft Bore Specification (Old JIS Keyway Hole + Tap) (mm)	[P] Shaft Bore Specification (Round Hole + Tap) (mm)	[H] Shaft Bore Specification (Round Hole) (mm)	[NK] Shaft Bore Specification (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm) (mm)	[V] Shaft Bore Specification (Stepped Hole) (mm)	[F] Shaft Bore Specification (Stepped Hole: Counterbored Holes on the Hub Side) (mm)	[WB] Shaft Bore Specification (Two-Stepped Hole on one side) (mm)
-	1	6 Days	-	20	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 40	-	-	-	-	-
-	1	6 Days	-	20	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 50	-	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 50	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 52	-	-	-	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 36	-	-	-	-	-	-	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 40	-	-	-	-	-
-	1	6 Days	-	25	47	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 50	-	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	14 Days	10	10	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	14 Days	10	15	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	6 Days	-	20	48	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	14 Days	10	25	48	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	6 Days	-	10	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	6 Days	-	15	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	6 Days	-	20	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	-	12 ～ 54	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	12 ～ 56	-	-	-	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	12 ～ 40	-	-	-	-	-	-	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	12 ～ 45	-	-	-	-	-
-	1	6 Days	-	25	49	Shape B	[Aluminum] Aluminum Alloy	Clear Anodize	-	-	-	-	-	-	12 ～ 54	-	-
-	1	14 Days	10	10	50	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	12 ～ 20	-	-	-	-	-	-
-	1	14 Days	10	10	50	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	-	-	-	12 ～ 57	-
-	1	14 Days	10	10	50	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	-	-	-	12 ～ 59	-	-	-	-
-	1	14 Days	10	10	50	Shape B	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	-	12 ～ 43	-	-	-	-	-	-	-

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■S5M

● Pulley Shape

Shape A

Shape B

Standard Tooth Profile

[ ! ]

Tooth groove dimensions slightly vary according to the number of teeth. (Pitch: 5.0mm)

Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part number			Pulley Shape	Pulley Shape						P.D.	O.D	D	F	E
Type	Number of Teeth	Type Nominal Width		A			B
				Shaft Bore Specs.
				H Round Hole V·Y·WB Stepped Hole	P Round Hole Tapped	N·C Keyway Tapped	H Round Hole V·F Stepped Hole	P Round Hole Tapped	N·C Keyway Tapped
				d1 mm increments / Selectable
Aluminum HTPA HTPB HTPK HTPN Steel HTPT HTPM HTPP Stainless Steel HTPS	14	S5M100 S5M150 S5M200 S5M250	A B	5 to 12	5 to 10	8·10	5 to 10	5 to 8	—	22.28	21.32	14	26	16
	15			5 to 14			5 to 11			23.87	22.91	15	28	18
	16			5 to 16	5 to 12	8 to 12	5 to 13	5 to 10	8	25.46	24.50	17	32	20
	17									27.06	26.10
	18			6 to 18	6 to 12		6 to 15	6 to 11	8·10	28.65	27.69	19	33	22
	19			6 to 20	6 to 16	8 to 16				30.24	29.28		36	24
	20									31.83	30.87
	21			7 to 23	7 to 18	8 to 18	7 to 20	7 to 16	8 to 12	33.42	32.46	24	40	27
	22									35.01	34.05
	23			7 to 26	7 to 20	8 to 20	7 to 23	7 to 17	8 to 13	36.61	35.65	27	45	30
	24									38.20	37.24
	25								8 to 15	39.79	38.83
	26			8 to 31	8 to 23	8 to 22	8 to 27	8 to 21	8 to 17	41.38	40.42	31	48	35
	27				8 to 24	8 to 24	8 to 28	8 to 22	8 to 18	42.97	42.01	32
	28									44.56	43.60
	29			10 to 32	10 to 26	10 to 26	10 to 29	10 to 23	10 to 18	46.15	45.19	33	52	36
	30									47.75	46.79
	31			10 to 36	10 to 28	10 to 28	10 to 33	10 to 27	10 to 22	49.34	48.38	37	55	40
	32									50.93	49.97
	33									52.52	51.56		58
	34			10 to 41	10 to 33	10 to 33	10 to 36	10 to 30	10 to 25	54.11	53.15	40	61	45
	35									55.70	54.74
	36									57.30	56.34
	37			10 to 46	10 to 38	10 to 38	10 to 43	10 to 35	10 to 28	58.89	57.93	47	67	50
	38									60.48	59.52
	39									62.07	61.11
	40									63.66	62.70
	41			12 to 52	12 to 40	12 to 38	12 to 44	12 to 36	12 to 30	65.25	64.29	48	70	56
	42									66.85	65.89
	43			12 to 54	12 to 42	12 to 40	12 to 46	12 to 38	12 to 32	68.44	67.48	50	74	58
	44									70.03	69.07
	45			12 to 56	12 to 43	12 to 40	12 to 52	12 to 40	12 to 36	71.62	70.66	56	80	60
	46									73.21	72.25
	47									74.80	73.84
	48			12 to 59	12 to 45		12 to 56	12 to 45	12 to 40	76.39	75.43	60	83	63
	49									77.99	77.03
	50			12 to 63	12 to 50	12 to 43	12 to 59	12 to 47	12 to 43	79.58	78.62	63	87	67
	51									81.17	80.21
	52									82.76	81.80
	53			12 to 71		12 to 45	12 to 66	12 to 48	12 to 45	84.35	83.39	70	95	75
	54									85.94	84.98
	55									87.54	86.58
	56			12 to 76		12 to 50	12 to 71	12 to 50	12 to 50	89.13	88.17	75	99	80
	57									90.72	89.76
	58									92.31	91.35
	59									93.90	92.94
	60									95.49	94.53
	72			12 to 85	12 to 70	12 to 55	12 to 80	12 to 70	12 to 55	114.59	113.63	90	119	100
[ ! ]Shaft Bore Dia.6.35 is selectable for Shaft Bore Specs. H, P, V, and F. [NG] Shaft Bore Dia. 9, 51 to 54 are not available for Shaft Bore Spec. N. [NG] Shaft Bore Dia. 8, 11, 13, 14, 17, or 21 to 55 are not available for Shaft Bore Spec. C.

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part number

—

Pulley Shape

—

Shaft Bore Specs.: I.D.

—

(KC90, etc.)

HTPM60S5M150

—

H30

—

KSC50

Alterations	Set Screw Angle Change	No Flange	Single Flange	Flange Cut
Code	KC90	NFC	RFC·LFC	FC
Spec.	Changes an angle of set screw to 90°. [ ! ] For A-Shape pulley, the screw holes are set at around 90° to keep away from peaks.	(Flange 2 pcs. Included) Ordering Code NFC	(Flange 1 pc. Included) Ordering Code RFC	Cut the flange O.D. in 0.5 mm increments. Ordering Code FC17 Application Notes [ ! ]FC ≥ (O.D.) +1 [ ! ]FC ≤ F－2 [ ! ] No surface treatment is applied on flange circumference.

Alterations

Retaining Ring Groove

Taper for Bearing Holder

Hub Shortening

Tapped Hole Dimensions

Included Set Screw Length Change

Code

SRG

BTC

TPC

SLH

Spec.

Retaining Ring Groove applicable to the shaft dia. of stepped hole is machined.

Taper for retaining bearing inner ring

Cuts the hub length in 0.5 mm increments.
Ordering Code BC6.5
Application Notes

[!] Shaft Bore Specs.
H, V, F:
3 ≤ BC < L－W
[!] Shaft Bore Specs.
P, N, C:
M+3 ≤ BC < L−W
[NG] Not applicable to Shape A

Ordering Code TPC5
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

M	TPC
M3	M4
M4	M3·M5
M5	M4·M6
M6	M5·M8
M8	M6·M10
M10	M8

Ordering Code SLH10
Application Notes

[ ! ] Applicable to Shaft Bore Specs. P, N, C only

Set Screws	SLH
M3 × 3	6
M4 × 3	5·8
M5 × 4	6·10
M6 × 5	10
M8 × 6	10·12
M10 × 8	12·15

Alterations	Add Side Holes [!] Conditions may vary depending on the shaft bore specs.
Alterations	Side Tapped Hole	Side Through Hole	Side Counterbored
Code	QTC·QFC·QSC	KTC·KFC·KSC	ZTC·ZFC·ZSC
Spec.	Machines tapped hole on the side surface of hub side. Ordering Code QTC28−M4 Q□C Selection Specify the hole position (P. C. D. dim.). M Selection M3, M4, M5, M6, M8 Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)	Machines through hole on the side surface. Ordering Code KTC28−K4.5 K□C Selection Specify the hole position (P. C. D. dim.). Specify K K4.0 to 13.0 (0.5 mm Increments) Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)	Machines counterbored hole on the side surface. Ordering Code ZTC28−ZM4 Z□C Selection Specify the hole position (P. C. D. dim.). ZM Selection ZM3, ZM4, ZM5, ZM6, ZM8 Application Notes [ ! ] Minimum Thickness: 2 mm [!] Conditions may vary depending on the shaft bore specs. (6 Locations) (4 Locations) (3 Locations)

Here to the Option Overview PDF

Products homepage

Basic information

Type	Timing Pulleys	Belt Type	S5M	Timing Pulleys/Idlers	Pulleys

Configure

10,177Suggestion of an applicable part number.

View Part Numbers

Some specification is not specified yet.

The part number is completed.

Basic Attributes

Belt Width(mm)
10

15

20

25
Clear
[T] Number of Teeth
14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

72
Clear
Material
- EN 1.1191 Equiv.
- Aluminum
  - EN AW-2017 Equiv. (Duralumin)
  - 2000 Series Aluminum Alloy (Duralumin)
  - Aluminum Alloy
  - High Strength Aluminum Alloy
- EN 1.4301 Equiv.
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Clear Anodize
- Black Anodized Aluminum
- Hard Clear Anodize
- Electroless Nickel Plating
Clear
[Y] Shaft Bore Specification (Both Ends Stepped Hole)(mm)
5

6

6.35

7

8
Clear
[N] Shaft Bore Specification (New JIS Keyway Hole + Tap)(mm)
8

10

11

12

13

55
[10-55/1mm Unit(s)]
Clear
[C] Shaft Bore Specification (Old JIS Keyway Hole + Tap)(mm)
10

12

15

16

18

19

20
Clear
[P] Shaft Bore Specification (Round Hole + Tap)(mm)
5

6

6.35

7

8
[5-70/1mm Unit(s)]
Clear
[H] Shaft Bore Specification (Round Hole)(mm)
6.35
[5-80/1mm Unit(s)]
Clear
[NK] Shaft Bore Specification (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm)(mm)
10
Clear
[V] Shaft Bore Specification (Stepped Hole)(mm)
5

6

6.35

7

8

9
[5-84/1mm Unit(s)]
Clear
[F] Shaft Bore Specification (Stepped Hole: Counterbored Holes on the Hub Side)(mm)
5

6

6.35

7

8

9
[5-84/1mm Unit(s)]
Clear
[WB] Shaft Bore Specification (Two-Stepped Hole on one side)(mm)
6.35
Clear
Type
- HTPA□□S5M
- HTPB□□S5M
- HTPK□□S5M
- HTPM□□S5M
- HTPN□□S5M
- HTPP□□S5M
- HTPS□□S5M
- HTPT□□S5M
Clear
Pulley Shape
- Shape A
- Shape B
Clear
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Clear

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14 Days or Less
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
Do you have any belt pulleys without a hole?: Answer:
The MISUMI toothed pulleys always have a pilot bore. It is expanded depending on your configuration. It provides the advantage that the belt pulleys are already provided with a suitable shaft bore ready for installation. Therefore, it does not require time-consuming post-processing.
Question:
Do you have timing pulleys made of aluminum?: Answer:
The MISUMI online shop also offers timing pulleys or toothed pulleys in aluminum. Furthermore, we are also offering belt pulleys in steel and stainless steel. The return rollers and idler pulleys for the timing belts are also available in plastic.
Question:
Is a transmission with toothed belt pulleys possible?: Answer:
With toothed pulleys, a gear ratio is possible in a drive. The gear ratio is established based on the number of teeth on the belt pulleys. It should be ensured that the minimum number of teeth of the timing pulley disc is not undercut.
Question:
Which type of the toothed belt pulley can be clamped during assembly?: Answer:
There are a number of ways to install timing pulleys on a shaft. For applications that are not exposed to high torque, such as conveyors, it can be sufficient to fasten a timing pulley using clamping threaded pins. For this purpose, the shaft should have a flat surface.
For higher loads, a toothed pulley with a keyway can also be used.
A further variant is the fastening of a timing pulley via a conical chip sleeve. Depending on the type of Mecha lock, the timing pulley requires lateral internal threads, which can be added through additional options in the MISUMI online shop.
A timing pulley with a bore hole can also be combined with a Mech lock. MISUMI is offering this combination as a set.
Question:
Where do you position the tension roller?: Answer:
If an idler pulley should be utilised, it should be positioned on the sag side. This means that the idler pulley is attached to the side not subjected to pull.
Ideally, a toothed idler pulley is mounted on the inside of the toothed belt. The tensioning roller should always be larger than the smallest toothed idler pulley of the belt drive system.
If an idler pulley must tension the toothed belt from the outside, then a non-toothed (flat) idler pulley should be used. Cantilever pins, which MISUMI offers in various geometric versions, are suitable for fastening.
Question:
Which parallel key can be used for the toothed pulleys?: Answer:
The parallel key size is based on the shaft diameter. In this case, it is recommended using the MISUMI parallel keys, as they fit better when MISUMI toothed pulleys are used. See Overview available as PDF for keyway tolerances.
Question:
Is a timing pulley with a round profile better?: Answer:
Timing pulleys and round-profile timing belts are not recommended for every application. For example, the round profile shape is well suited for applications that require high positioning accuracy. Therefore, they are often used in 3D printers and scanners. Compared to other profile shapes, the round profile shape has a higher wear resistance. Another advantage of the round profile shape is the minimized play in the return (reverse play).
Question:
Which belt pulley is suitable for Gates toothed belts?: Answer:
The GT and EV timing pulleys are suitable for Gates’ toothed belts. However, these require you put attention to the slope (distance of the teeth) of the toothed belt. It must be checked whether these correspond to the selected toothed pulley.
Question:
Are the curtain discs necessary for the toothed pulleys?: Answer:
It is recommended using the smaller belt pulleys particularly with curb disc. The curb disk ensures that the toothed belt does not migrate down from the toothed belt pulley. Even with the smallest misalignment of a pulley, there may be a risk that the toothed belt will move and jump during operation.
Question:
How is the gearing of the toothed pulleys manufactured?: Answer:
The gear teeth of the MISUMI toothed belt pulley are mainly pushed. This ensures high manufacturing accuracy. As a result, the teeth fit precisely into the toothed belt profile of the timing belts and ensure optimal power and torque transmission.