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Timing Belt Pulleys / T5 / Flanged Pulley Deselectable / Configurable / Aluminium, Steel (Part Numbers - CAD Download)

Timing Belt Pulleys / T5 / Flanged Pulley Deselectable / Configurable / Aluminium, Steel
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MISUMI

MISUMI

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  • Please note that the swaged flange options, NFC, RFC, and LFC, are not reflected in the CAD data.

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

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys


Open the technical drawing in the new window

For aluminum 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.
Surface treatment may not be applied to the shaft bores.

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

■Types Table
TypeBelt Width[M] Material[S] Surface Treatment[A] Accessory
Set Screws
5 mm10 mm15 mm20 mm25 mmPulleyFlange
T5050T5100T5150T5200T5250
TTPA●●●●●Aluminum alloyAluminum alloyClear AnodizeEN 1.4301 Equiv.
TTPB●●●●●Black Anodize
TTPK●●●●●Hard Clear Anodize
TTPN●●●●●Electroless nickel plating
TTPT●●●●●EN 1.1191 Equiv.EN 1.0330 Equiv.—EN 1.7220 Equiv.
(Black Oxide)
TTPM●●●●●Black Oxide Coating
TTPP●●●●●Electroless nickel plating
TTPS●●●●●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.

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.—Z—J—Q—R—S—T
(Shaft Bore Specs.: H, P, N, C)TTPA18T5100—A—NK10            
(Shaft Bore Specs.: V, F)TTPA30T5200—A—V10—Z23—J16.0        
(Shaft Bore Specs.: Y, WB)TTPA48T5150—A—Y25    —Q42—R37—S9—T7

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys



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

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Part Number
TTPA19T5200-B-H[6-15/1]
TTPA19T5200-B-N[8,​10]
TTPA19T5200-B-P6.35
TTPA19T5200-B-P[6-12/1]
TTPA19T5200-B-V6.35
TTPA19T5200-B-V[6-13/1]
TTPA19T5250-A-H6.35
TTPA19T5250-A-H[6-20/1]
TTPA19T5250-A-N8
TTPA19T5250-A-N[10-16/1]
TTPA19T5250-A-P6.35
TTPA19T5250-A-P[6-16/1]
TTPA19T5250-A-V6.35
TTPA19T5250-A-V[6-18/1]
TTPA19T5250-A-WB[6-18/1]
TTPA19T5250-A-Y[6-18/1]
TTPA19T5250-B-F6.35
TTPA19T5250-B-F[6-13/1]
TTPA19T5250-B-H6.35
TTPA19T5250-B-H[6-15/1]
TTPA19T5250-B-N[8,​10]
TTPA19T5250-B-P6.35
TTPA19T5250-B-P[6-12/1]
TTPA19T5250-B-V6.35
TTPA19T5250-B-V[6-13/1]
TTPA20T5050-B-F6.35
TTPA20T5050-B-F[6-13/1]
TTPA20T5050-B-H6.35
TTPA20T5050-B-H[6-15/1]
TTPA20T5050-B-N[8,​10]
TTPA20T5050-B-P6.35
TTPA20T5050-B-P[6-12/1]
TTPA20T5050-B-V6.35
TTPA20T5050-B-V[6-13/1]
TTPA20T5100-A-C[10,​12,​15,​16]
TTPA20T5100-A-H6.35
TTPA20T5100-A-H[6-16/1]
TTPA20T5100-A-N8
TTPA20T5100-A-N[10-16/1]
TTPA20T5100-A-NK10
TTPA20T5100-A-P6.35
TTPA20T5100-A-P[6-16/1]
TTPA20T5100-A-V6.35
TTPA20T5100-A-V[6-14/1]
TTPA20T5100-A-Y[6-14/1]
TTPA20T5100-B-C10
TTPA20T5100-B-F6.35
TTPA20T5100-B-F[6-13/1]
TTPA20T5100-B-H6.35
TTPA20T5100-B-H[6-15/1]
TTPA20T5100-B-N[8,​10]
TTPA20T5100-B-NK10
TTPA20T5100-B-P6.35
TTPA20T5100-B-P10
TTPA20T5100-B-P[6-12/1]
TTPA20T5100-B-V6.35
TTPA20T5100-B-V[6-13/1]
TTPA20T5150-A-C[10,​12,​15,​16]
TTPA20T5150-A-H6.35
TTPA20T5150-A-H[6-16/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBelt 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 Specif+A6ication (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)

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize----6 ～ 15----

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize-8 ～ 10-------

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize---6.35-----

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize---6 ～ 12-----

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize------6.35--

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1 7 Days -2019Shape B[Aluminum] Aluminum AlloyClear Anodize------6 ～ 13--

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize----6.35----

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize----6 ～ 20----

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize-8-------

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize-10 ～ 16-------

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize---6.35-----

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize---6 ～ 16-----

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize------6.35--

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize------6 ～ 18--

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize--------6 ～ 18

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1 7 Days -2519Shape A[Aluminum] Aluminum AlloyClear Anodize6 ～ 18--------

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize-------6.35-

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize-------6 ～ 13-

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize----6.35----

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize----6 ～ 15----

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize-8 ～ 10-------

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize---6.35-----

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize---6 ～ 12-----

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize------6.35--

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1 7 Days -2519Shape B[Aluminum] Aluminum AlloyClear Anodize------6 ～ 13--

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize-------6.35-

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize-------6 ～ 13-

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize----6.35----

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize----6 ～ 15----

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize-8 ～ 10-------

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize---6.35-----

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize---6 ～ 12-----

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize------6.35--

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1 7 Days -520Shape B[Aluminum] Aluminum AlloyClear Anodize------6 ～ 13--

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize--10 ～ 16------

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6.35----

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6 ～ 16----

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-8-------

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-10 ～ 16-------

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-----10---

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize---6.35-----

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize---6 ～ 16-----

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize------6.35--

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize------6 ～ 14--

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1 6 Days 101020Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize6 ～ 14--------

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize--10------

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-------6.35-

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-------6 ～ 13-

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6.35----

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6 ～ 15----

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-8 ～ 10-------

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize-----10---

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize---6.35-----

16.59 €

1 Available 5 Days -1020Shape B[Aluminum] Aluminum AlloyClear Anodize---------

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize---6 ～ 12-----

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize------6.35--

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1 6 Days 101020Shape B[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize------6 ～ 13--

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1 6 Days 101520Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize--10 ～ 16------

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1 6 Days 101520Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6.35----

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1 6 Days 101520Shape A[Aluminum] 2000 Series Aluminum Alloy (Duralumin)Clear Anodize----6 ～ 16----

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

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys


Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part numberPulley
Shape		Pulley ShapeP.D.O.DDFE
TypeNumber of TeethType
Nominal Width		AB
Shaft Bore Specs.: 1 mm Increments / Selectable
H (d)
Round Hole
V (d),
Y (d),
WB (d)
Z·Q·R
Stepped Hole		P (d)
Round Hole
+
Tapped		N (d),
C (d)
Keyway
+
Tapped		H (d)
Round Hole
V (d),
F (d), Z
Stepped Hole		P (d)
Round Hole
+
Tapped		N (d),
C (d)
Keyway
+
Tapped
Aluminum

TTPA
TTPB
TTPK
TTPN


Steel

TTPT
TTPM
TTPP


Stainless Steel

TTPS		12T5050
(Shape B only)

T5100

T5150

T5200

T5250		A5 to 85 to 88———19.1018.25—2412
1320.6919.852515
14A

B		5 to 125 to 108·105 to 105 to 822.2821.45142616
155 to 145 to 1123.8723.05152818
166 to 166 to 128 to 126 to 136 to 10825.4624.60173220
1727.0626.20
186 to 186 to 156 to 118·1028.6527.80193322
196 to 206 to 168 to 166 to 1230.2429.403624
2031.8331.00
217 to 237 to 188 to 187 to 207 to 158 to 1233.4232.62244027
2235.0134.25
237 to 267 to 208 to 207 to 237 to 178 to 1336.6135.83274530
2438.2037.40
257 to 188 to 1539.7939.00
268 to 318 to 238 to 228 to 278 to 218 to 1741.3840.60314835
278 to 248 to 248 to 288 to 228 to 1842.9742.1732
2844.5643.75
2946.1545.35
3010 to 3210 to 2610 to 2610 to 2910 to 2310 to 1847.7546.95335236
3110 to 3610 to 2810 to 2810 to 3110 to 2510 to 2049.3448.53355540
3210 to 3310 to 2710 to 2250.9350.1037
3310 to 4110 to 3010 to 3010 to 3610 to 3010 to 2552.5251.67406145
3454.1153.25
3555.7054.85
3657.3056.45
3710 to 4610 to 3810 to 3858.8958.056750
3860.4859.65
3910 to 4310 to 3710 to 3062.0761.2547
4063.6662.85
4112 to 5412 to 4212 to 4012 to 4612 to 4012 to 3265.2564.43507458
4266.8466.02
4368.4467.62
4470.0369.20
4512 to 5612 to 4471.6270.798060
4673.2172.37
4712 to 5912 to 4712 to 5612 to 4512 to 4074.8073.96608363
4876.3975.55
4912 to 6312 to 5012 to 4512 to 5912 to 4712 to 4577.9977.15638767
5079.5878.75
5181.1780.34
5282.7681.93
5312 to 6712 to 5012 to 5012 to 6612 to 5012 to 4884.3583.52709575
5485.9485.11
5587.5486.71
5689.1388.30
5712 to 7612 to 7112 to 5012 to 5090.7289.89759980
5892.3191.48
5993.9093.07
6095.4994.65
Shaft Bore Dia.9 is not available for Shaft Bore Spec. N. Shaft Bore Dia.6.35 is selectable for Shaft Bore Specs. H, P, V, and F.
NK10 is selectable for Shaft Bore Spec. N.
Shaft Bore Dia. 8, 11, 13, 14, 17, or 21 to 50 are not available for Shaft Bore Spec. C.

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys




Here to the Option Overview PDF
 

Basic information

Type Timing Pulleys Belt Type T5 Timing Pulleys/Idlers Pulleys

Configure

Clear all

23,741Suggestion of an applicable part number.

View Part Numbers

Some specification is not specified yet.
The part number is completed.

Stock

    • Show only stock items

    Clear

Basic Attributes

  • Belt Width(mm)

    • 5
    • 10
    • 15
    • 20
    • 25

    Clear

  • [T] Number of Teeth

    • 12
    • 13
    • 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

    Clear

  • Pulley Shape

    • Shape A
    • Shape B

    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

     [5-74/1mm Unit(s)]

    Clear

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

    • 8
    • 10
    • 11
    • 12
    • 13

     [10-50/1mm 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
    • 9
    • 10

     [5-50/1mm Unit(s)]

    Clear

  • [H] Shaft Bore Specif+A6ication (Round Hole)(mm)

    • 5
    • 6
    • 6.35
    • 7
    • 8

     [5-76/1mm 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
    • 10

     [5-74/1mm Unit(s)]

    Clear

  • [F] Shaft Bore Specification (Stepped Hole: Counterbored Holes on the Hub Side)(mm)

    • 5
    • 6
    • 6.35
    • 7
    • 8
    • 9
    • 10

     [5-69/1mm Unit(s)]

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  • [WB] Shaft Bore Specification (Two-Stepped Hole on one side)(mm)

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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.

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