Timing Belt Pulleys / S8M / Flanged Pulley Deselectable / Configurable / Aluminium, Steel (Part Numbers - CAD Download)

Timing Belt Pulleys / S8M / Flanged Pulley Deselectable / Configurable / Aluminium, Steel

(i)Remark

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

Part Number

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High Torque Timing Pulleys - S8M: Related Image
Tooth groove dimensions slightly vary according to the number of teeth. (Pitch: 8.0mm)

■S8M

● Pulley Shape

Standard Tooth Profile

Shape A

[ ! ]1

[ ! ]2

Shape B

[ ! ]1

[ ! ]2

■Belt Nominal Width / Dimensions
mmNominal
S8M150S8M250S8M300S8M400S8M600
A1728334465
W2233384970
L (Number of Teeth: 18 to 43)3748536485
L (Number of Teeth: 44 to 72)4253586990
■Tapped Hole Dimensions (Shaft Bore Specs.: P, N, C)
dH7
Shaft Bore I.D.
M
(Coarse)
Accessory
Set Screws
12M4M4 × 3
13 to 17M5M5 × 4
18 to 30M6M6 × 5
31 to 45M8M8 × 6
46 to 70M10M10 × 8
[ ! ] For aluminum flanges, the flange thickness is 1.5.
[ ! ] 1 t = 2.0 for 72 toothed pulleys (Machined Flange)
[ ! ] 2 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.
[ ! ] For S8M600, select Shape A: W ≤ d × 5 and Shape B: L ≤ d × 5.
[ ! ] 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 holeP Round Hole + TapN New JIS Keyway + Tap
C Old JIS Keyway + Tap
High Torque Timing Pulleys - S8M: Related ImageHigh Torque Timing Pulleys - S8M: Related ImageHigh Torque Timing Pulleys - S8M: Related Image
 

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

V Stepped HoleF Stepped Hole
(Counterbored Hole on the Hub Side)
Y Both Ends Stepped HoleWB Two-stepped hole
High Torque Timing Pulleys - S8M: Related ImageHigh Torque Timing Pulleys - S8M: Related ImageHigh Torque Timing Pulleys - S8M: Related ImageHigh Torque Timing Pulleys - S8M: Related Image
[ ! ] Z - d ≥ 2

[ ! ] 3.0 ≤ J ≤ W-3.0
(S8M600 only) 5 ≤ J ≤ W-5.0

[ ! ] Applicable to Shape B only
[ ! ] Z - d ≥ 2

[ ! ] 3.0 ≤ J ≥ L-3.0
(S8M600 only) 5 ≤ J ≤ L-5.0

[ ! ] Applicable to Shape A only
[ ! ] Q (R)-Y ≥ 2

[ ! ] S+T ≤ W-3.0
(S8M600 only) S+T ≤ W−5.0

[ ! ] S (T) ≥ 3.0
(S8M600 only) S (T) ≥ 5.0

[ ! ] Applicable to Shape A only
[ ! ] Q-R ≥ 2
[ ! ] R-WB ≥ 2

[ ! ] S+T ≤ W-3.0
(S8M600 only) S+T ≤ W−5.0

[ ! ] S (T) ≥ 3.0
(S8M600 only) S (T) ≥ 5.0

■Types Table
TypeBelt Width[M] Material[S] Surface Treatment[A] Accessory
Set Screws
15 mm25 mm30 mm40 mm60 mmPulleyFlange
S8M150S8M250S8M300S8M400S8M600
HTPAExtra Super
Duralumin
Aluminum alloy
Aluminum alloyClear AnodizeEN 1.4301 Equiv.
HTPBBlack Anodize
HTPKHard Clear Anodize
HTPNElectroless nickel plating
HTPTEN 1.1191 Equiv.EN 1.0330 Equiv.EN 1.7220 Equiv.
(Black Oxide)
HTPMBlack Oxide Coating
HTPPElectroless nickel plating
HTPSEN 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.

Specification Table

 Part numberPulley ShapeShaft Bore Specs.: I.D.ZJQRST
(Shaft Bore Specs.: H, P, N, C)HTPA36S8M250AH65            
(Shaft Bore Specs.: V, F)HTPA30S8M300BV20Z38J23.0        
(Shaft Bore Specs.: Y, WB)HTPA40S8M250AY30    Q62R47S16T9
Part numberPulley
Shape
Pulley ShapeP.D.O.DDFE
TypeNumber of TeethType
Nominal Width
AB
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
18S8M150

S8M250

S8M300

S8M400


S8M600
A

B
12 to 3212 to 2612 to 2612 to 2812 to 2212 to 2045.8444.46325236
1912 to 3612 to 2812 to 2812 to 3112 to 2548.3847.01355540
2012 to 3612 to 3012 to 3012 to 3212 to 2612 to 2250.9349.563658
2112 to 4112 to 3212 to 3212 to 3612 to 3012 to 2453.4852.10406145
2212 to 3412 to 3412 to 3712 to 2556.0254.6541
2312 to 4612 to 4012 to 4012 to 4212 to 3412 to 2858.5757.20466750
2461.1259.74
2512 to 5212 to 4412 to 3663.6662.29487056
2614 to 5414 to 4514 to 4514 to 4714 to 3914 to 3166.2164.84517458
2714 to 5614 to 4814 to 4814 to 5114 to 4314 to 3568.7567.38558060
2871.3069.93
2973.8572.48
3014 to 6314 to 5014 to 5014 to 5614 to 4614 to 3876.3975.02608767
3178.9477.57
3214 to 5514 to 5514 to 5914 to 4914 to 4581.4980.1263
3384.0382.66
3416 to 6716 to 6016 to 5516 to 6616 to 5616 to 4886.5885.21709575
3589.1387.75
3616 to 7216 to 6516 to 7116 to 6116 to 5091.6790.30759980
3794.2292.85
3816 to 7616 to 7616 to 6596.7795.398010484
3920 to 8020 to 7020 to 5520 to 8020 to 6520 to 5599.3197.948511190
40101.86100.49
41104.41103.03
42106.95105.58
4320 to 8520 to 70109.50108.1390119100
44112.05110.67
45114.59113.2297123102
46117.14115.77
47119.68118.31100127105
48122.23120.86
49124.78123.41135115
50127.32125.95
51129.87128.50
52132.42131.04140120
53134.96133.59
54137.51136.14144125
55140.06138.68
56142.60141.23152130
57145.15143.78
58147.70146.32160140
59150.24148.87
60152.79151.42
72183.35181.97190170
[NG]Shaft Bore Dia. 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.
[NG]For S8M600, Shaft Bore Dia. 22 or less are not available for Shaft Bore Specs. N and C.

Alterations

Part numberPulley ShapeShaft Bore Specs.: I.D.ZJQRST(KC90, etc.)
HTPA60S8M250AH65            KSC80−K8
AlterationsSet Screw Angle ChangeNo FlangeSingle FlangeFlange Cut
CodeKC90NFCRFC·LFCFC
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.
AlterationsRetaining Ring GrooveTaper for Bearing HolderHub ShorteningTapped Hole DimensionsIncluded Set Screw Length Change
CodeSRGBTCBCTPCSLH
Spec.Retaining Ring Groove applicable to the shaft dia. of stepped hole is machined.

Specify SRG 2.5 to 40.5 mm
0.5 mm Increments

Applicable Conditions [ ! ] 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 BTC15-TL4
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

MTPC
M4M5
M5M4·M6
M6M5·M8
M8M6·M10
M10M8
Ordering Code SLH10
Application Notes

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

Set ScrewsSLH
M4 × 35·8
M5 × 46·10
M6 × 510
M8 × 610·12
M10 × 812·15
AlterationsAdd Side Holes [!] Conditions may vary depending on the shaft bore specs.
Side Tapped HoleSide Through HoleSide Counterbored
CodeQTC·QFC·QSCKTC·KFC·KSCZTC·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)

Part Number:  

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Part Number
HTPA34S8M400-B-F[16-64/1]
HTPA34S8M400-B-H[16-66/1]
HTPA34S8M400-B-N[16-48/1]
HTPA34S8M400-B-P[16-56/1]
HTPA34S8M400-B-V[16-64/1]
HTPA34S8M600-B-F[17-64/1]
HTPA34S8M600-B-H[17-66/1]
HTPA34S8M600-B-N[23-48/1]
HTPA34S8M600-B-P[17-56/1]
HTPA34S8M600-B-V[17-64/1]
HTPA35S8M150-B-C[16,​18,​19,​20]
HTPA35S8M150-B-F[16-64/1]
HTPA35S8M150-B-H[16-66/1]
HTPA35S8M150-B-N[16-48/1]
HTPA35S8M150-B-P[16-56/1]
HTPA35S8M150-B-V[16-64/1]
HTPA35S8M250-B-C[16,​18,​19,​20]
HTPA35S8M250-B-F[16-64/1]
HTPA35S8M250-B-H[16-66/1]
HTPA35S8M250-B-N[16-48/1]
HTPA35S8M250-B-P[16-56/1]
HTPA35S8M250-B-V[16-64/1]
HTPA35S8M300-B-C[16,​18,​19,​20]
HTPA35S8M300-B-F[16-64/1]
HTPA35S8M300-B-H[16-66/1]
HTPA35S8M300-B-N[16-48/1]
HTPA35S8M300-B-P[16-56/1]
HTPA35S8M300-B-V[16-64/1]
HTPA35S8M400-B-C[16,​18,​19,​20]
HTPA35S8M400-B-F[16-64/1]
HTPA35S8M400-B-H[16-66/1]
HTPA35S8M400-B-N[16-48/1]
HTPA35S8M400-B-P[16-56/1]
HTPA35S8M400-B-V[16-64/1]
HTPA35S8M600-B-F[17-64/1]
HTPA35S8M600-B-H[17-66/1]
HTPA35S8M600-B-N[23-48/1]
HTPA35S8M600-B-P[17-56/1]
HTPA35S8M600-B-V[17-64/1]
HTPA36S8M150-B-C[16,​18,​19,​20]
HTPA36S8M150-B-F[16-69/1]
HTPA36S8M150-B-H[16-71/1]
HTPA36S8M150-B-N[16-50/1]
HTPA36S8M150-B-P[16-61/1]
HTPA36S8M150-B-V[16-69/1]
HTPA36S8M250-B-C[16,​18,​19,​20]
HTPA36S8M250-B-F[16-69/1]
HTPA36S8M250-B-H[16-71/1]
HTPA36S8M250-B-N[16-50/1]
HTPA36S8M250-B-P[16-61/1]
HTPA36S8M250-B-V[16-69/1]
HTPA36S8M300-B-C[16,​18,​19,​20]
HTPA36S8M300-B-F[16-69/1]
HTPA36S8M300-B-H[16-71/1]
HTPA36S8M300-B-N[16-50/1]
HTPA36S8M300-B-P[16-61/1]
HTPA36S8M300-B-V[16-69/1]
HTPA36S8M400-B-C[16,​18,​19,​20]
HTPA36S8M400-B-F[16-69/1]
HTPA36S8M400-B-H[16-71/1]
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 Specification (Round Hole)
(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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Basic information

Type Timing Pulleys Belt Type S8M Timing Pulleys/Idlers Pulleys

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MISUMI Unit еxample related to this product

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