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Keyless High Torque Timing Pulleys - S8M - MechaLock Standard Type Incorporated (with Centering Function) (Part Numbers)

Volume Discount

[Material]
· Pulley: Extra super duralumin aluminum alloy, S45C equivalent
· Flange: Aluminum alloy, SPCC
· Bushing: S45C equivalent
[Surface treatment]
· Clear anodize, hard clear anodize (firm hardness 300HV~), electroless nickel plating, black oxide

(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.
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.

■S8M

● Pulley Shape

Shape E

Shape F

Standard Tooth Profile

Tooth groove dimensions slightly vary according to the number of teeth. (Pitch: 8.0mm)

■Dimensional Tolerances Without Command

Dimension Range		Tolerance (mm)
Over	or Less	Tolerance (mm)
0.5	3	±0.1
3	6	±0.1
6	30	±0.2
30	120	±0.3
120	400	±0.5

[ ! ]Compliant with JIS B 0405 Class m (intermediate).

*3 For the combination of nominal width and MechaLock inner diameter shown in Table 2, the MechaLock mounting holes are not stepped holes, but are through holes of the MechaLock outer diameter. ([ ! ] Shape E only)
[ ! ] Surface treatment may not be applied to the shaft bores.
[ ! ] Machined flange for 72 toothed pulleys.
[ ! ] Flange is installed.
[ ! ] For orders with no flange, please specify the alteration NFC.
[ ! ] Compatible with S8M type from Mitsuboshi Belting Ltd. as well as Bando Chemical Industries Ltd.
[ ! ] Unless otherwise specified except for teeth and F dimensions, the dimension tolerance conforms to JIS B 0405 Class m.

Table 1: Select Shaft Bore Dia.

d_H7	Max. allowable torque (N⋅m)			D₁	(L)
d_H7	HHTA·HHTK HHTN・HHTT HHTM	HHTP	HHTAS	D₁	(L)
12	44.1	36.2	24.5	28.5	6.5
14	63.7	50.9	28.4	30.5
15	80.4	54.8	30.4	31.5
16	83.3	58.8	—	33.0
17	92.2	76.4	—	33.5
18	95.1	80.3	—	34.5
19	98.1	85.2	—	35.5
20	216.0	183.0	122	42.0	8
22	255.0	201.0	—	44.0
24	363.0	252.0	—	46.0
25	392.0	264.0	153	47.0
28	441.0	295.0	—	50.0	8.5
30	500.0	396.0	230	52.0
32	530.0	423.0	—	54.0
35	883.0	548.0	—	62.0	10
40	1079.0	779.0	—	67.0
45	1285.0	882.0	—	72.0
50	1706.0	1362.0	—	77.0	10.5

■List of MechaLocks by part number

HHTA	HHTK	HHTN	HHTAS	HHTT	HHTM	HHTP
MLM			MLHS	MLM	MLMB	MLMP

Table 2: pulley through hole combination

Nominal Width	MechaLock inner dia. d_H7
S8M150	20·22

■Belt Nominal Width / Dimensions

mm	Nominal
mm	S8M150	S8M250	S8M300	S8M400
A	17	28	33	44
W	22	33	38	49
Y	−	22(up to d22) 24(d24 to 30) 24.5(d32 or more)	24(up to d22) 25(d24 to 32) 28(d35 or more)	30(up to d22) 31(d24 to 32) 34(d35 or more)

■Mechalock bolt tightening torque
(N⋅m)

type	MLM	MLMB	MLMP	MLHS
d
6	3.9	3.2	3.9	2.7
8
10
12
14
15
16
17
18
19
20	8.8	7.5	8.8	5.6
22
24
25
28
30
32
35	15.7	12.7	15.7	9.6
38
40
42
45
48
50

Type	Part number				[M]Material^*1			[S] Surface Treatment
	Belt width: 15 mm	Belt width: 25 mm	Belt width: 30 mm	Belt width: 40 mm	Pulley	Flange	MechaLock	Pulley	Flange	MechaLock
	S8M150	S8M250	S8M300	S8M400
HHTA	●	●	●	●	Extra Super Duralumin Aluminum alloy	Aluminum alloy	S45C Equivalent	Clear Anodize		—
HHTK	●	●	●	●				Hard Clear Anodized ^*2		—
HHTN	●	●	●	●				Electroless nickel plating		—
HHTAS	●	●	●	●			SUS304 Equivalent	Clear Anodize		—
HHTT	●	●	●	●	S45C equivalent	SPCC	S45C Equivalent	—
HHTM	●	●	●	●				Black Oxide Coating
HHTP	●	●	●	●				Electroless nickel plating

*1The above materials and accessories might be changed to the ones equivalent to the originals.
*2 Hard clear anodize: film hardness 300 HV or more

Specification Table

Part number	—	Pulley Shape	—	Shaft Bore Dia.
HHTA 60S8M300	—	F	—	40

Part number			Pulley Shape	d_H7 range 1 mm increments								P.D	O.D	F	E
Type	Number of Teeth	Type Nominal Width		HHTA,HHTK,HHTN・HHTT,HHTM,HHTP					HHTAS
				Shape E		Shape F			Shape E		Shape F
				S8M150	S8M250,S8M300,S8M400	S8M250	S8M300	S8M400	S8M150	S8M250,S8M300, S8M400	S8M250,S8M300, S8M400
HHTA HHTK HHTN HHTAS HHTT HHTM HHTP	19	S8M150 S8M250 S8M300 S8M400	E F	12,14		12,14			12,14			48.38	47.01	55	40
	20											50.93	49.56	58	49
	21			12,14-16		12,14-16			12,14,15			53.48	52.10	61	45
	22											56.02	54.65
	23											58.57	57.20	67	50
	24			12,14-19		12,14-19						61.12	59.74
	25			12,14-20		12,14-20			12,14,15,20			63.66	62.29	70	56
	26			14-20,22		14-20,22						66.21	64.84	74	58
	27											68.75	67.38	80	60
	28											71.30	69.93
	29											73.85	72.48
	30			14-20,22	14-20,22,24,25,28	14-20,22,24,25,28			14,15,20	14,15,20,25		76.39	75.02	87	67
	31											78.94	77.57
	32											81.49	80.12
	33											84.03	82.66
	34			16-20,22	16-20,22,24,25,28,30,32	16-20,22,24,25,28,30,32			20	20,25,30		86.58	85.21	95	75
	35											89.13	87.75
	36											91.67	90.30	99	80
	37											94.22	92.85
	38											96.77	95.39	104	84
	39											99.31	97.94	111	90
	40			20,22	20,22,24,25,28,30,32,35	20,22,24,25,28,30,32	20,22,24,25,28,30,32,35					101.86	100.49
	41											104.41	103.03
	42											106.95	105.58
	43											109.50	108.13	119	100
	44											112.05	110.67
	45											114.59	113.22	123	102
	46											117.14	115.77
	47											119.68	118.31	127	105
	48			20,22	20,22,24,25,28,30,32,35,40,45	20,22,24,25,28,30,32	20,22,24,25,28,30,32,35,40,45					122.23	120.86
	49											124.78	123.41	135	115
	50			20,22	20,22,24,25,28,30,32,35,40,45,50	20,22,24,25,28,30, 32	20,22,24,25,28,30,32,35,40, 45	20,22,24,25,28,30,32,35,40,45,50				127.32	125.95
	51											129.87	128.50
	52											132.42	131.04	140	120
	53											134.96	133.59
	54											137.51	136.14	144	125
	55											140.06	138.68
	56											142.60	141.23	152	130
	57											145.15	143.78
	58											147.70	146.32	160	140
	59											150.24	148.87
	60											152.79	151.42
	72											183.35	181.97	190	170

Alterations

Part number	—	Pulley Shape	—	Shaft Bore Dia.	—	(BMC, etc.)
HHTA 60S8M300	—	E	—	40	—	BMC

Alterations	Surface Treatment	Flange Cut		No Flange	Single Flange
Code	BMC·BMR	FC		NFC	LFC·RFC
Spec.	Applies electroless nickel plating on a MechaLock. (Antirusting treatment is applied to screws.) [ ! ] Electroless nickel plating decreases bushing's allowable torque by 20 to 30%. BMC: Not RoHS Compliant (Screw: SCM435 Dacrotized Treatment) BMR: RoHS Compliant (Screw: SCM435 GeoMet Coating)	Lowers the flange by cutting. FC: 0.5 mm Increments [ ! ] No surface treatment is applied on flange circumference.		The product is shipped without swaging the flange. (Flange Included)	The product is shipped by swaging the flanges either on the bushing side (LFC) or the opposite side (RFC). (Flange 1 pc. Included)
Spec.			[ ! ]FC ≥ (O. D.) +1 [ ! ]FC ≤ F－2 Ordering Code FC35

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

: 30; 60; 90

Part Number
HHTA38S8M300-E-30
HHTA38S8M300-E-32
HHTA38S8M300-F-16
HHTA38S8M300-F-17
HHTA38S8M300-F-18
HHTA38S8M300-F-19
HHTA38S8M300-F-20
HHTA38S8M300-F-22
HHTA38S8M300-F-24
HHTA38S8M300-F-25
HHTA38S8M300-F-28
HHTA38S8M300-F-30
HHTA38S8M300-F-32
HHTA38S8M400-E-16
HHTA38S8M400-E-17
HHTA38S8M400-E-18
HHTA38S8M400-E-19
HHTA38S8M400-E-20
HHTA38S8M400-E-22
HHTA38S8M400-E-24
HHTA38S8M400-E-25
HHTA38S8M400-E-28
HHTA38S8M400-E-30
HHTA38S8M400-E-32
HHTA38S8M400-F-16
HHTA38S8M400-F-17
HHTA38S8M400-F-18
HHTA38S8M400-F-19
HHTA38S8M400-F-20
HHTA38S8M400-F-22
HHTA38S8M400-F-24
HHTA38S8M400-F-25
HHTA38S8M400-F-28
HHTA38S8M400-F-30
HHTA38S8M400-F-32
HHTA40S8M150-E-20
HHTA40S8M150-E-22
HHTA40S8M250-E-20
HHTA40S8M250-E-22
HHTA40S8M250-E-24
HHTA40S8M250-E-25
HHTA40S8M250-E-28
HHTA40S8M250-E-30
HHTA40S8M250-E-32
HHTA40S8M250-E-35
HHTA40S8M250-F-20
HHTA40S8M250-F-22
HHTA40S8M250-F-24
HHTA40S8M250-F-25
HHTA40S8M250-F-28
HHTA40S8M250-F-30
HHTA40S8M250-F-32
HHTA40S8M300-E-20
HHTA40S8M300-E-22
HHTA40S8M300-E-24
HHTA40S8M300-E-25
HHTA40S8M300-E-28
HHTA40S8M300-E-30
HHTA40S8M300-E-32
HHTA40S8M300-E-35
HHTA40S8M300-F-20
HHTA40S8M300-F-22
HHTA40S8M300-F-24
HHTA40S8M300-F-25
HHTA40S8M300-F-28
HHTA40S8M300-F-30
HHTA40S8M300-F-32
HHTA40S8M300-F-35
HHTA40S8M400-E-20
HHTA40S8M400-E-22
HHTA40S8M400-E-24
HHTA40S8M400-E-25
HHTA40S8M400-E-28
HHTA40S8M400-E-30
HHTA40S8M400-E-32
HHTA40S8M400-E-35
HHTA40S8M400-F-20
HHTA40S8M400-F-22
HHTA40S8M400-F-24
HHTA40S8M400-F-25
HHTA40S8M400-F-28
HHTA40S8M400-F-30
HHTA40S8M400-F-32
HHTA40S8M400-F-35
HHTA44S8M150-E-20
HHTA44S8M150-E-22
HHTA44S8M250-E-20
HHTA44S8M250-E-22
HHTA44S8M250-E-24
HHTA44S8M250-E-25

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Belt Width Used (mm)	No. of Teeth (T)	Pulley Shape	Material	Surface Treatment	Shaft Bore Dia. d (mm)
MYR 618.28	1 Piece(s)	7 Day(s)	10	30	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 568.77	1 Piece(s)	7 Day(s)	10	30	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 569.79	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	16
MYR 569.79	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	17
MYR 574.64	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	18
MYR 574.64	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	19
MYR 579.49	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 584.33	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 585.54	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 592.82	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 598.88	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 618.28	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 608.58	1 Piece(s)	7 Day(s)	10	30	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 578.27	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	16
MYR 578.27	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	17
MYR 583.12	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	18
MYR 583.12	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	19
MYR 589.18	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 592.82	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 595.25	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 601.30	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 607.37	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 627.98	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 617.06	1 Piece(s)	7 Day(s)	10	40	38	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 578.27	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	16
MYR 578.27	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	17
MYR 544.97	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	18
MYR 544.97	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	19
MYR 589.18	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 592.82	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 595.25	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 601.30	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 607.37	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 627.98	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 617.06	1 Piece(s)	7 Day(s)	10	40	38	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 469.06	1 Piece(s)	7 Day(s)	10	15	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 505.53	1 Piece(s)	7 Day(s)	10	15	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 561.30	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 566.15	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 568.57	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 574.64	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 580.69	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 561.97	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 590.40	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 554.04	1 Piece(s)	7 Day(s)	10	25	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	35
MYR 561.30	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 566.15	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 568.57	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 574.64	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 580.69	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 601.30	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 590.40	1 Piece(s)	7 Day(s)	10	25	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 634.04	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 595.96	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 640.10	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 646.16	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 652.23	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 628.82	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 619.75	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 620.88	1 Piece(s)	7 Day(s)	10	30	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	35
MYR 634.04	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 637.67	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 640.10	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 603.89	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 652.23	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 672.84	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 663.13	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 620.88	1 Piece(s)	7 Day(s)	10	30	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	35
MYR 643.74	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 647.38	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 649.80	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 655.86	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 661.92	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 637.88	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 671.62	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 674.04	1 Piece(s)	7 Day(s)	10	40	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	35
MYR 643.74	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 647.38	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 649.80	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 655.86	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25
MYR 661.92	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	28
MYR 682.53	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	30
MYR 671.62	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	32
MYR 674.04	1 Piece(s)	7 Day(s)	10	40	40	Shape F	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	35
MYR 524.93	1 Piece(s)	7 Day(s)	10	15	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 528.57	1 Piece(s)	7 Day(s)	10	15	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 589.18	1 Piece(s)	7 Day(s)	10	25	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	20
MYR 592.82	1 Piece(s)	7 Day(s)	10	25	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	22
MYR 595.25	1 Piece(s)	7 Day(s)	10	25	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	24
MYR 601.30	1 Piece(s)	7 Day(s)	10	25	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	25

Product TOP

Basic Information

Type	Keyless Bushings	Belt Type	S8M	Timing Pulley / Idler	Pulleys

Configure

6,066 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used(mm)
15

25

30

40
Clear
No. of Teeth(T)
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
  - S45C Equivalent
- Aluminum
  - Extra Super Duralumin Series Aluminum Alloy
Clear
Surface Treatment
- Not Provided
- Black Oxide Coating
- Clear Anodize
- Hard Clear Anodize
- Electroless Nickel Plating
Clear
Shaft Bore Dia. d(mm)
12

14

15

16

17

18

19

20

22

24

25

28

30

32

35

40

45

50
Clear
type
- HHTA□□S8M
- HHTK□□S8M
- HHTM□□S8M
- HHTN□□S8M
- HHTP□□S8M
- HHTT□□S8M
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

10 Day(s) or Less
Clear

Specify Alterations

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

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Keyless High Torque Timing Pulleys - S8M - MechaLock Standard Type Incorporated (with Centering Function) (Part Numbers)

(i)Caution

Specification Table

Alterations

Part Number

Basic Information

Configure

Specification/Dimensions

Belt Width Used(mm)

No. of Teeth(T)

Pulley Shape

Material

Surface Treatment

Shaft Bore Dia. d(mm)

type

CAD

Days to Ship

Specify Alterations

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