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Synchronous Pulleys - High Torque, S8M Series.

Volume Discount
Lead Time Reduction

MISUMI

New: Available number of teeth increased on metric pulleys. [August 2023]
METRIC/ INCH Bores Available!

METRIC
INCH
inCAD Components

(i)Caution

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

Part Number

Configured Part Number is shown.

Drawing/Specifications
3D Preview
Part Numbers
Catalog

High Torque Timing Pulleys S8M Type:Related Image

[ ! ]For Keyway Dimension Details, see >> Click here

・Materials

Part Number				[ M ]Material		[ S ]Surface Treatment	[ A ]Accessories Set Screws
Belt Width 15mm	Belt Width 25mm	Belt Width 30mm	Belt Width 40mm	Pulley	Flange
A: 17 W: 22 L: 37(42)	A: 28 W: 33 L: 48(53)	A: 33 W: 38 L: 53(58)	A: 44 W: 49 L: 64(69)	Pulley	Flange
HTPA_ _S8M150	HTPA_ _S8M250	HTPA_ _S8M300	HTPA_ _S8M400	Aluminum Alloy 7000 series (Extra Super Duralumin)	Aluminum Alloy	Clear Anodize	304 Stainless Steel
HTPB_ _S8M150	HTPB_ _S8M250	HTPB_ _S8M300	HTPB_ _S8M400			Black Anodize
HTPK_ _S8M150	HTPK_ _S8M250	HTPK_ _S8M300	HTPK_ _S8M400			Hard Clear Anodize^*
HTPN_ _S8M150	HTPN_ _S8M250	HTPN_ _S8M300	HTPN_ _S8M400			Electroless Nickel Plating
HTPT_ _S8M150	HTPT_ _S8M250	HTPT_ _S8M300	HTPT_ _S8M400	1045 Carbon Steel or Equivalent	Low Carbon Steel	-	4137 Alloy Steel (Black Oxide)
HTPM_ _S8M150	HTPM_ _S8M250	HTPM_ _S8M300	HTPM_ _S8M400			Black Oxide
HTPP_ _S8M150	HTPP_ _S8M250	HTPP_ _S8M300	HTPP_ _S8M400			Electroless Nickel Plating

*Hard Anodize Treatment: Film Hardness 300HV~

[ ! ]Flange is installed, and set screws are included with shaft bore specifications P, N and C.
[ ! ]L Dimensions in ( ) are for 44~72 toothed pulleys.

Specifications

Part Number

Pulley Shape

Shaft Bore Spec., I.D.

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

HTPA36S8M250

H65

(Shaft Bore Specs: V, F)

HTPA30S8M300

V20

Z38

J23.0

(Shaft Bore Specs: Y)

HTPA40S8M250

Y30

Q62

R47

S16

Alterations

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

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Part Number
HTPA18S8M150-A-C[12,15,16,18,19,20]
HTPA18S8M150-A-H[12-28/1]
HTPA18S8M150-A-HUF
HTPA18S8M150-A-HUG
HTPA18S8M150-A-HUH
HTPA18S8M150-A-HUJ
HTPA18S8M150-A-HUK
HTPA18S8M150-A-N[12-26/1]
HTPA18S8M150-A-NUF
HTPA18S8M150-A-NUG
HTPA18S8M150-A-NUH
HTPA18S8M150-A-NUJ
HTPA18S8M150-A-NUK
HTPA18S8M150-A-P[12-26/1]
HTPA18S8M150-A-PUF
HTPA18S8M150-A-PUG
HTPA18S8M150-A-PUH
HTPA18S8M150-A-PUJ
HTPA18S8M150-A-PUK
HTPA18S8M150-A-V[12-26/1]
HTPA18S8M150-A-Y[12-26/1]
HTPA18S8M250-A-C[12,15,16,18,19,20]
HTPA18S8M250-A-H[12-28/1]
HTPA18S8M250-A-HUF
HTPA18S8M250-A-HUG
HTPA18S8M250-A-HUH
HTPA18S8M250-A-HUJ
HTPA18S8M250-A-HUK
HTPA18S8M250-A-N[12-26/1]
HTPA18S8M250-A-NUF
HTPA18S8M250-A-NUG
HTPA18S8M250-A-NUH
HTPA18S8M250-A-NUJ
HTPA18S8M250-A-NUK
HTPA18S8M250-A-P[12-26/1]
HTPA18S8M250-A-PUF
HTPA18S8M250-A-PUG
HTPA18S8M250-A-PUH
HTPA18S8M250-A-PUJ
HTPA18S8M250-A-PUK
HTPA18S8M250-A-V[12-26/1]
HTPA18S8M250-A-Y[12-26/1]
HTPA18S8M300-A-C[12,15,16,18,19,20]
HTPA18S8M300-A-H[12-28/1]
HTPA18S8M300-A-HUF
HTPA18S8M300-A-HUG
HTPA18S8M300-A-HUH
HTPA18S8M300-A-HUJ
HTPA18S8M300-A-HUK
HTPA18S8M300-A-N[12-26/1]
HTPA18S8M300-A-NUF
HTPA18S8M300-A-NUG
HTPA18S8M300-A-NUH
HTPA18S8M300-A-NUJ
HTPA18S8M300-A-NUK
HTPA18S8M300-A-P[12-26/1]
HTPA18S8M300-A-PUF
HTPA18S8M300-A-PUG
HTPA18S8M300-A-PUH
HTPA18S8M300-A-PUJ

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Belt Width Used(mm) (mm)	Number of Teeth (T)	Pulley Shape	Material	Surface Treatment	Shaft Bore Dia. d (inch)	Shaft Bore Spec. (inch)	01.[H] Shaft Bore Spec. (Round Hole) (mm)	02.[P] Shaft Bore Spec. (Round Hole + Tap) (mm)	03.[N] Shaft Bore Spec. (New JIS Keyway Hole + Tap) (mm)	05.[C] Shaft Bore Spec. (Old JIS Keyway Hole + Tap) (mm)	06.[V] Shaft Bore Spec. (Stepped Hole) (mm)	07.[F] Shaft Bore Spec. (Stepped Hole: Counterbored Holes on the Hub Side) (mm)	08.[Y] Shaft Bore Spec. (Both Ends Stepped Hole) (mm)	09.[WB] Shaft Bore Spec.(Add Two Stepped Holes) (mm)
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	12 ～ 20	-	-	-	-
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	12 ～ 28	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	12 ～ 26	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1/2	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	5/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	3/4	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	7/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	12 ～ 26	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	-	12 ～ 26	-	-	-
1 Piece(s)		10 Days or more	10	15	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	-	-	-	12 ～ 26	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	12 ～ 20	-	-	-	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	12 ～ 28	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	12 ～ 26	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1/2	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	5/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	3/4	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	7/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	12 ～ 26	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	-	12 ～ 26	-	-	-
1 Piece(s)		10 Days or more	10	25	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	-	-	-	12 ～ 26	-
1 Piece(s)		10 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	-	12 ～ 20	-	-	-	-
1 Piece(s)		10 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	12 ～ 28	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1	Inch Round Hole	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	-	12 ～ 26	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1/2	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	5/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	3/4	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	7/8	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	1	Inch Key Grove Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)		10 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	-	-	-	12 ～ 26	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	1/2	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	5/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	3/4	Inch Round Hole+Tap	-	-	-	-	-	-	-	-
1 Piece(s)	Available	8 Days or more	10	30	18	Shape A	[Aluminum] Aluminum Alloy 2000 series	Clear Anodize	7/8	Inch Round Hole+Tap	-	-	-	-	-	-	-	-

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Product TOP

Basic Information

Type	Timing Pulleys	Belt Type	S8M	Timing Pulleys/Idlers	Pulleys

Configure

17,418 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used(mm)(mm)
15

25

30

40
Clear
Number of Teeth(T)
18

19

20

21

22

24

25

26

28

30

32

34

36

38

40

44

48

50

60

72
Clear
Material
- Steel
- Aluminum
  - Aluminum Alloy 2000 series
  - Aluminum Alloy 7000 series(Duralumin)
Clear
Surface Treatment
Not Provided

Black Oxide Coating

Clear Anodize

Black Anodize

Hard Clear Anodize

Electroless Nickel Plating
Clear
Shaft Bore Dia. d(inch)
1

1-7/8

1-5/8

1-3/4

1-3/8

1-1/2

1-1/4

1/2

2

3/4

5/8

7/8
Clear
Shaft Bore Spec.(inch)
- Inch Key Grove Hole+Tap
- Inch Round Hole
- Inch Round Hole+Tap
Clear
01.[H] Shaft Bore Spec. (Round Hole)(mm)
[12-85/1mm Unit(s)]
Clear
02.[P] Shaft Bore Spec. (Round Hole + Tap)(mm)
[12-70/1mm Unit(s)]
Clear
03.[N] Shaft Bore Spec. (New JIS Keyway Hole + Tap)(mm)
[12-50/1mm Unit(s)]
Clear
05.[C] Shaft Bore Spec. (Old JIS Keyway Hole + Tap)(mm)
12

15

16

18

19

20
Clear
06.[V] Shaft Bore Spec. (Stepped Hole)(mm)
[12-85/1mm Unit(s)]
Clear
07.[F] Shaft Bore Spec. (Stepped Hole: Counterbored Holes on the Hub Side)(mm)
Clear
08.[Y] Shaft Bore Spec. (Both Ends Stepped Hole)(mm)
[20-85/0.1mm Unit(s)][12-75/1mm Unit(s)]
Clear
09.[WB] Shaft Bore Spec.(Add Two Stepped Holes)(mm)
[20-85/0.1mm Unit(s)]
Clear
type
- HTPA##S8M
- HTPA##S8M####INCHBORE
- HTPB##S8M
- HTPB##S8M####INCHBORE
- HTPK##S8M
- HTPK##S8M####INCHBORE
- HTPM##S8M
- HTPM##S8M####INCHBORE
- HTPN##S8M
- HTPN##S8M####INCHBORE
- HTPP##S8M
- HTPP##S8M####INCHBORE
- HTPT##S8M
- HTPT##S8M####INCHBORE
Clear
Pulley Shape
- Shape A
- Shape B
Clear
CAD
- 2D
- 3D
Clear