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Timing Pulleys - High Torque, with Fixing Hub, S8M Series.

Spec Change

MISUMI

New: Available number of teeth increased on metric pulleys. [August 2023]
Phase matching is easy because machining to shafts is not required.

METRIC
inCAD Components

(i)Caution

Regarding RoHS compliance: The products are RoHS non-compliant only when alteration BMC is selected. The products are RoHS-compliant when BMC is not selected. As some parts used in the alteration are RoHS non-compliant, the RoHS notation on this page has been changed to non-compliant. "Non-compliant" is also indicated in the certificate due to information on the left. Since there are no changes to the product, please contact us if you need a Certificate of RoHS Compliance for a part number that does not have alteration BMC selected.
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

Keyless High Torque Timing Pulley - S8M Type, ST/SH Keyless Bushing:Related Image

・Materials

Part Number				[ M ] Material			[ S ] Surface Treatment
Belt Width 15mm	Belt Width 25mm	Belt Width 30mm	Belt Width 40mm	Pulley	Flange	Bushing	Pulley	Flange	Bushing
A: 17 W: 22	A: 28 W: 33	A: 33 W: 38	A: 44 W: 49
HTLA_ _S8M150	HTLA_ _S8M250	HTLA_ _S8M300	HTLA_ _S8M400	Aluminum Alloy 7000 series	Aluminum Alloy	1045 Carbon Steel or Equivalent	Clear Anodize		-
HTLK_ _S8M150	HTLK_ _S8M250	HTLK_ _S8M300	HTLK_ _S8M400				Hard Clear Anodize^*		-
HTPL_ _S8M150	HTPL_ _S8M250	HTPL_ _S8M300	HTPL_ _S8M400	1045 Carbon Steel or Equivalent	Low Carbon Steel	1045 Carbon Steel or Equivalent	Black Oxide
HTLG_ _S8M150	HTLG_ _S8M250	HTLG_ _S8M300	HTLG_ _S8M400				Electroless Nickel Plating

*Hard Anodize Treatment: Film Hardness 300HV~

Specifications

Part Number			Pulley Shape	d_H7 Range (Select Shaft Bore Dia. from Table 1)								P.D.	O.D.	F	E
Part Number				S8M150		S8M250		S8M300		S8M400
Type	Teeth	Type, Nominal Width		EShape (ST Bushing)	FShape (SH Bushing)	EShape (ST Bushing)	FShape (ST Bushing) (SH Bushing)	EShape (ST Bushing)	FShape (ST Bushing) (SH Bushing)	EShape (ST Bushing)	FShape (ST Bushing)
HTLA HTLK HTPL HTLG	18	S8M150 A: 17 W: 22 S8M250 A: 28 W: 33 S8M300 A: 33 W: 38 S8M400 A: 44 W: 49	E F	12	-	12	12	-	-	-	-	45.84	44.46	52	36
	19			12, 14, 15	12	12, 14, 15	12, 14, 15	15	15	-	-	48.38	47.01	55	40
	20			12~17	12	12~17	12, 14, 15	15, 16, 17	15	-	-	50.93	49.56	58	40
	21			12~17	12	12~17	12~17	15, 16, 17	15, 16, 17	16, 17	16, 17	53.48	52.10	61	45
	22			12~17	12	12~17	12~17	15, 16, 17	15, 16, 17	16, 17	16, 17	56.02	54.65	61	45
	24			12~17	12	12~17	12~17	15, 16, 17	15, 16, 17	16, 17	16, 17	61.12	59.74	67	50
	25			12~25	12	12~25	12~25	15~25	15~25	16~25	16~25	63.66	62.29	70	56
	26			14~25	-	14~25	14~25	15~25	15~25	16~25	16~25	66.21	64.84	74	58
	28			14~25		14~25	14~25	15~25	15~25	16~25	16~25	71.30	69.93	80	60
	30			14~32		14~32	14~32	15~32	15~32	16~32	16~32	76.39	75.02	87	67
	32			14~32		14~32	14~32	15~32	15~32	16~32	16~32	81.49	80.12	87	67
	34			16~35		16~35	16~35	16~35	16~35	16~35	16~35	86.58	85.21	95	75
	36			16~38		16~38	16~35	16~38	16~35	16~38	16~38	91.67	90.30	99	80
	38			16~42		16~42	16~35	16~42	16~35	16~42	16~42	96.77	95.39	104	84
	40			20~42		20~42	20~35	20~42	20~35	20~42	20~42	101.86	100.49	111	90
	44			20~42		20~42	20~35	20~42	20~35	20~42	20~42	112.05	110.67	119	100
	48			20~42		20~42	20~35	20~42	20~35	20~42	20~42	122.23	120.86	127	105
	50			20~50	-	20~50	20~35	20~50	20~35	20~50	20~42	127.32	125.95	135	115
	60			20~50		20~50	20~35	20~50	20~35	20~50	20~42	152.79	151.42	160	140
	72			20~50		20~50	20~35	20~50	20~35	20~50	20~50	183.35	181.97	190	170

Table 1: Select Shaft Bore Diameter

d_H7	Max. Allowable Torque Nm		D		(L)
d_H7	ST Bushing	SH Bushing	ST Bushing	SH Bushing	(L)
12	48	23	32	31	10.5
14	73	-	35	-	12
15	78		36		12
16	83		37		13
17	88		38		13
18	154		43		14
19	163		45
20	171		46
22	186		48
24	206		50
25	216		52
28	353		54		15.5
30	382		57		15.5
32	412	163	59	58	16.5
35	451	173	63	61	16.5
38	686	-	70	-	19
40	725		71		19
42	757		74		20
45	1490		84		24.5
48	1600		87
50	1660		89

[ ! ]For "F" shape of S8M250, ST bushing is applicable to shaft bore diameter of 12~30 and SH bushing is applicable to 32 and 35.
[ ! ]For "F" shape of S8M300, ST bushing is applicable to shaft bore diameter of 15~32 and SH bushing is applicable to 35.
[ ! ]Electroless nickel plated bushing decreases maximum allowable torque and allowable thrust load by 20~30%

Alterations

Part Number

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CAD Download

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Part Number
HTLA18S8M150-E-12
HTLA18S8M250-E-12
HTLA18S8M250-F-12
HTLA19S8M150-E-[12,14,15]
HTLA19S8M150-F-12
HTLA19S8M250-E-[12,14,15]
HTLA19S8M250-F-[12,14,15]
HTLA19S8M300-E-15
HTLA19S8M300-F-15
HTLA20S8M150-E-[12,14,15,16,17]
HTLA20S8M150-F-12
HTLA20S8M250-E-[12,14,15,16,17]
HTLA20S8M250-F-[12,14,15]
HTLA20S8M300-E-[15,16,17]
HTLA20S8M300-F-15
HTLA21S8M150-E-[12,14,15,16,17]
HTLA21S8M150-F-12
HTLA21S8M250-E-[12,14,15,16,17]
HTLA21S8M250-F-[12,14,15,16,17]
HTLA21S8M300-E-[15,16,17]
HTLA21S8M300-F-[15,16,17]
HTLA21S8M400-E-[16,17]
HTLA21S8M400-F-[16,17]
HTLA22S8M150-E-[12,14,15,16,17]
HTLA22S8M150-F-12
HTLA22S8M250-E-[12,14,15,16,17]
HTLA22S8M250-F-[12,14,15,16,17]
HTLA22S8M300-E-[15,16,17]
HTLA22S8M300-F-[15,16,17]
HTLA22S8M400-E-[16,17]
HTLA22S8M400-F-[16,17]
HTLA24S8M150-E-[12,14,15,16,17]
HTLA24S8M150-F-12
HTLA24S8M250-E-[12,14,15,16,17]
HTLA24S8M250-F-[12,14,15,16,17]
HTLA24S8M300-E-[15,16,17]
HTLA24S8M300-F-[15,16,17]
HTLA24S8M400-E-[16,17]
HTLA24S8M400-F-[16,17]
HTLA25S8M150-E-[12,14,15,16,17,18,19,20,22,24,25]
HTLA25S8M150-F-12
HTLA25S8M250-E-[12,14,15,16,17,18,19,20,22,24,25]
HTLA25S8M250-F-[12,14,15,16,17,18,19,20,22,24,25]
HTLA25S8M300-E-[15,16,17,18,19,20,22,24,25]
HTLA25S8M300-F-[15,16,17,18,19,20,22,24,25]
HTLA25S8M400-E-[16,17,18,19,20,22,24,25]
HTLA25S8M400-F-[16,17,18,19,20,22,24,25]
HTLA26S8M150-E-[14,15,16,17,18,19,20,22,24,25]
HTLA26S8M250-E-[14,15,16,17,18,19,20,22,24,25]
HTLA26S8M250-F-[14,15,16,17,18,19,20,22,24,25]
HTLA26S8M300-E-[15,16,17,18,19,20,22,24,25]
HTLA26S8M300-F-[15,16,17,18,19,20,22,24,25]
HTLA26S8M400-E-[16,17,18,19,20,22,24,25]
HTLA26S8M400-F-[16,17,18,19,20,22,24,25]
HTLA28S8M150-E-[14,15,16,17,18,19,20,22,24,25]
HTLA28S8M250-E-[14,15,16,17,18,19,20,22,24,25]
HTLA28S8M250-F-[14,15,16,17,18,19,20,22,24,25]
HTLA28S8M300-E-[15,16,17,18,19,20,22,24,25]
HTLA28S8M300-F-[15,16,17,18,19,20,22,24,25]
HTLA28S8M400-E-[16,17,18,19,20,22,24,25]

Minimum order quantity	Days to Ship	RoHS	Belt Width Used(mm) (mm)	Number of Teeth (T)	Pulley Shape	Material	Surface Treatment	00.Shaft Bore Dia. [d] (mm)
1 Piece(s)	10 Days or more	10	15	18	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	18	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	18	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	15	19	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 15
1 Piece(s)	10 Days or more	10	15	19	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	19	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 15
1 Piece(s)	10 Days or more	10	25	19	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 15
1 Piece(s)	10 Days or more	10	30	19	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15
1 Piece(s)	10 Days or more	10	30	19	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15
1 Piece(s)	10 Days or more	10	15	20	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	15	20	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	20	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	25	20	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 15
1 Piece(s)	10 Days or more	10	30	20	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	30	20	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15
1 Piece(s)	10 Days or more	10	15	21	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	15	21	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	21	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	25	21	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	30	21	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	30	21	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	40	21	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	40	21	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	15	22	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	15	22	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	22	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	25	22	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	30	22	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	30	22	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	40	22	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	40	22	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	15	24	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	15	24	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	24	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	25	24	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 17
1 Piece(s)	10 Days or more	10	30	24	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	30	24	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 17
1 Piece(s)	10 Days or more	10	40	24	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	40	24	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 17
1 Piece(s)	10 Days or more	10	15	25	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 25
1 Piece(s)	10 Days or more	10	15	25	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12
1 Piece(s)	10 Days or more	10	25	25	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 25
1 Piece(s)	10 Days or more	10	25	25	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	12 ～ 25
1 Piece(s)	10 Days or more	10	30	25	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	30	25	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	40	25	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 25
1 Piece(s)	10 Days or more	10	40	25	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 25
1 Piece(s)	10 Days or more	10	15	26	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	25	26	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	25	26	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	30	26	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	30	26	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	40	26	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 25
1 Piece(s)	10 Days or more	10	40	26	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 25
1 Piece(s)	10 Days or more	10	15	28	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	25	28	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	25	28	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	14 ～ 25
1 Piece(s)	10 Days or more	10	30	28	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	30	28	Shape F	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	15 ～ 25
1 Piece(s)	10 Days or more	10	40	28	Shape E	[Aluminum] Aluminum Alloy 7000 series(Duralumin)	Clear Anodize	16 ～ 25

Product TOP

Basic Information

Type	Keyless Pulley	Belt Type	S8M	Timing Pulleys/Idlers	Pulleys

Configure

138 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
Pulley Shape
- Shape E
- Shape F
Clear
Material
- Steel
- Aluminum
  - Aluminum Alloy 7000 series(Duralumin)
Clear
00.Shaft Bore Dia. [d](mm)
12

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45

48

50
Clear
type
- HTLA##S8M
- HTLG##S8M
- HTLK##S8M
- HTPL##S8M
Clear
Surface Treatment
Black Oxide Coating

Clear Anodize

Hard Clear Anodize

Electroless Nickel Plating
Clear
CAD
- 2D
- 3D
Clear