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Keyless High Torque Timing Pulleys - S3M - MechaLock Standard Type Incorporated (with Centering Function)

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Move the mouse over the image to zoom

[Material]
· Pulley: Extra super duralumin aluminum alloy, aluminum alloy
· Flange: Aluminum alloy
· MegaLock: Aluminum alloy, S45C equivalent
[Surface treatment]
· Clear anodize, hard clear anodize (firm hardness 300HV~)

(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.

■S3M

● Pulley Shape

Shape E

Shape F

Standard Tooth Profile

HHAA

HHT□

HHAA

HHT□

Tooth groove dimensions slightly vary according to the number of teeth. (Pitch: 3.0 mm)
*3 When d = 6, d + 2.5; and when d = 15, d + 3.5.
*4 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.
[ ! ] Flange is installed.
[ ! ] For orders with no flange, please specify the alteration NFC.
[ ! ] Compatible with S3M 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	HHAA					HHTA·HHTK	HHTAS·HHTS	D₁	(L)
d_H7	Max. allowable torque (N⋅m)	D₂	B	G	n	Max. allowable torque (N⋅m)		D₁	(L)
6	4	17	4	20	0.5	12.7	—	21.5	6
8	6	19	5	22	0.5	19.6	10.7	23.5
10	8	21	5	24	0.5	27.5	12.7	25.5
12	12	24	6	27	1.0	44.1	24.5	28.5	6.5
14	18	26	6	29	1.0	63.7	28.4	30.5
15	25	28	7	31	1.2	80.4	30.4	31.5
16	—	—	—	—	—	83.3	—	33
17	—	—	—	—	—	92.2	—	33.5
18	—	—	—	—	—	95.1	—	34.5
19	—	—	—	—	—	98.1	—	35.5

Table 2: pulley through hole combination

Nominal Width	MechaLock inner dia. d_H7
S3M100	8·10·12·14

■Belt Nominal Width / Dimensions

mm	Nominal
mm	S3M100	S3M150
A	11	17
W	15	21
Y	－	14

■List of MechaLocks by part number

HHAA	HHTA	HHTK	HHTAS	HHTS
MLBA	MLM		MLHS

■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).

■Mechalock bolt tightening torque (N⋅m)

type	MLBA	MLM	MLHS
d
6	0.9	3.9	2.7
8
10
12
14
15	1.5
16
17	‐
18
19
20		8.8	5.6
22
24
25
28
30
32
35		15.7	9.6
38
40
42
45
48
50

Type	Part number		[M]Material ^*1			[S] Surface Treatment
	Belt Width: 10 mm	Belt width: 15 mm	Pulley	Flange	MechaLock	Pulley	Flange	MechaLock
	S3M100	S3M150
HHAA	●	●	2000 Series Aluminum alloy	Aluminum alloy	2000 Series Aluminum alloy	Clear Anodize
HHTA	●	●	Extra Super Duralumin Aluminum alloy	Aluminum alloy	S45C equivalent	Clear Anodize		-
HHTK	●	●				Hard clear anodize ^*2		-
HHTAS	●	●			SUS304 Equivalent	Clear Anodize		-
HHTS	●	-	SUS304	SUS304		-

*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.
HHTA60S3M150	—	E	—	15

Part number			Pulley Shape	d_H7 range 1 mm increments									P.D	O.D	F	E
Type	Number of Teeth	Type Nominal Width		HHAA		HHTA·HHTK			HHTAS			HHTS
				Shape E	Shape F	Shape E		Shape F	Shape E		Shape F	Shape E
				S3M100	S3M150	S3M100	S3M150	S3M150	S3M100	S3M150	S3M150	S3M100
HHAA HHTA HHTK HHTAS HHTS	30	S3M100 S3M150	E F	6	—	—			—			—	28.65	27.89	32	23
	31												29.60	28.84	35	25
	32												30.56	29.80
	33												31.51	30.75
	34			6·8		6							32.47	31.71	40	28
	35												33.42	32.66
	36												34.38	33.62
	37												35.33	34.57
	38												36.29	35.53	44	32
	39												37.24	36.48
	40			8·10	8	8			8			8	38.20	37.44
	41												39.15	38.39
	42												40.11	39.35	48	36
	43												41.06	40.30
	44			8·10·12		8·10			8·10			8·10	42.02	41.25
	45												42.97	42.21
	46												43.93	43.16
	47												44.88	44.12	50	38
	48			8·10·12	8·10·12·14	8·10	8·10·12	8·10	8·10	8·10·12	8·10	8·10	45.84	45.07
	49												46.79	46.03	52	40
	50			8·10·12·14	8·10·12·14·15	8·10	8·10·12·14	8·10		8·10·12·14			47.75	46.98
	51												48.70	47.94
	52												49.66	48.89	55
	53												50.61	49.85
	54												51.57	50.80
	55												52.52	51.76	61	46
	56												53.48	52.71
	57												54.43	53.67
	58												55.39	54.62
	59												56.34	55.58
	60						8·10·12·14 to 17			8·10·12·14·15			57.30	56.53
	72			—	—		8·10·12·14 to 19						68.75	67.99	74	58

■HHAA aluminum MechaLock performance, weight

dH7	Locking Screw				Allowable Thrust load (kN)	MechaLock single item weight (g)
	M × L	Quantity	Tightening Torque	Surface treatment
	M × L	Quantity	(N⋅m)	Surface treatment
6	M2.5 × 12	3	0.9	Black oxide	1.33	8
8	M2.5 × 14	4	0.9		1.51	11
10	M2.5 × 14	4	0.9		1.63	12
12	M2.5 × 15	5	0.9		1.99	17
14	M2.5 × 15	6	0.9		2.56	19
15	M3 × 18	4	1.5		3.34	24
16	M3 × 18	4	1.5		3.34	25

Alterations

Part number	—	Pulley Shape	—	Shaft Bore Dia.	—	(FC·NFC·LFC·RFC·BMC·BMR)
HHTA34S3M150	—	F	—	6	—	BMC

Alterations

Flange Cut

No Flange

Single Flange

Surface Treatment

Code

NFC

LFC·RFC

BMC·BMR

Spec.

Lowers the flange by cutting.
FC: 0.5 mm Increments

[ ! ] No surface treatment is applied on flange circumference.

Keyless high torque timing pulley - S3M - MechaLock standard type incorporated (with centering function): Related Image

[ ! ]FC ≥ (O. D.) +1
[ ! ]FC ≤ F－2
Ordering Code FC35

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)

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%.

[NG] HHAA is not applicable

BMC: Not RoHS Compliant
(Screw: SCM435 Dacrotized Treatment)

BMR: RoHS Compliant
(Screw: SCM435 GeoMet Coating)

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; 45; 60

Part Number
HHAA30S3M100-E-6
HHAA34S3M100-E-6
HHAA34S3M100-E-8
HHAA36S3M100-E-6
HHAA36S3M100-E-8
HHAA40S3M100-E-8
HHAA40S3M100-E-10
HHAA44S3M100-E-8
HHAA44S3M100-E-10
HHAA44S3M100-E-12
HHAA48S3M100-E-8
HHAA48S3M100-E-10
HHAA48S3M100-E-12
HHAA50S3M100-E-8
HHAA50S3M100-E-10
HHAA50S3M100-E-12
HHAA50S3M100-E-14
HHAA60S3M100-E-8
HHAA60S3M100-E-10
HHAA60S3M100-E-12
HHAA60S3M100-E-14
HHTA34S3M100-E-6
HHTA34S3M150-E-6
HHTA36S3M100-E-6
HHTA36S3M150-E-6
HHTA40S3M100-E-8
HHTA40S3M150-E-8
HHTA44S3M100-E-8
HHTA44S3M100-E-10
HHTA44S3M150-E-8
HHTA44S3M150-E-10
HHTA48S3M100-E-8
HHTA48S3M100-E-10
HHTA48S3M150-E-8
HHTA48S3M150-E-10
HHTA48S3M150-E-12
HHTA50S3M100-E-8
HHTA50S3M100-E-10
HHTA50S3M150-E-8
HHTA50S3M150-E-10
HHTA50S3M150-E-12
HHTA50S3M150-E-14
HHTA60S3M100-E-8
HHTA60S3M100-E-10
HHTA60S3M150-E-8
HHTA60S3M150-E-10
HHTA60S3M150-E-12
HHTA60S3M150-E-14
HHTA60S3M150-E-15
HHTA60S3M150-E-16
HHTA60S3M150-E-17
HHTA72S3M100-E-8
HHTA72S3M100-E-10
HHTA72S3M150-E-8
HHTA72S3M150-E-10
HHTA72S3M150-E-12
HHTA72S3M150-E-14
HHTA72S3M150-E-15
HHTA72S3M150-E-16
HHTA72S3M150-E-17

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)	Shaft Bore Dia. d (mm)	MechaLock	Mechalock Locking Bolt Tightening Torque (N・m)
MYR 152.96	1 Piece(s)	7 Day(s)	10	10	30	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	6	6	MLBA	0.9
MYR 157.49	1 Piece(s)	7 Day(s)	10	10	34	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	6	6	MLBA	0.9
MYR 168.51	1 Piece(s)	7 Day(s)	10	10	34	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 159.75	1 Piece(s)	7 Day(s)	10	10	36	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	6	6	MLBA	0.9
MYR 159.75	1 Piece(s)	7 Day(s)	10	10	36	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 163.15	1 Piece(s)	7 Day(s)	10	10	40	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 167.68	1 Piece(s)	7 Day(s)	10	10	40	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	10	10	MLBA	0.9
MYR 166.55	1 Piece(s)	7 Day(s)	10	10	44	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 183.06	1 Piece(s)	7 Day(s)	10	10	44	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	10	10	MLBA	0.9
MYR 177.88	1 Piece(s)	7 Day(s)	10	10	44	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	12	12	MLBA	0.9
MYR 181.85	1 Piece(s)	7 Day(s)	10	10	48	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 174.48	1 Piece(s)	7 Day(s)	10	10	48	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	10	10	MLBA	0.9
MYR 182.41	1 Piece(s)	7 Day(s)	10	10	48	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	12	12	MLBA	0.9
MYR 184.27	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 176.75	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	10	10	MLBA	0.9
MYR 196.39	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	12	12	MLBA	0.9
MYR 185.81	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	14	14	MLBA	0.9
MYR 186.95	1 Piece(s)	7 Day(s)	10	10	60	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	8	8	MLBA	0.9
MYR 204.88	1 Piece(s)	7 Day(s)	10	10	60	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	10	10	MLBA	0.9
MYR 212.16	1 Piece(s)	7 Day(s)	10	10	60	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	12	12	MLBA	0.9
MYR 200.54	1 Piece(s)	7 Day(s)	10	10	60	Shape E	[Aluminum] 2000 Series Aluminum Alloy	Clear Anodize	14	14	MLBA	0.9
MYR 174.48	1 Piece(s)	7 Day(s)	10	10	34	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	6	6	MLM	3.9
MYR 219.43	1 Piece(s)	7 Day(s)	10	15	34	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	6	6	MLM	3.9
MYR 177.88	1 Piece(s)	7 Day(s)	10	10	36	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	6	6	MLM	3.9
MYR 223.07	1 Piece(s)	7 Day(s)	10	15	36	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	6	6	MLM	3.9
MYR 197.61	1 Piece(s)	Quote	10	10	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 216.40	1 Piece(s)	Quote	10	15	40	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 203.67	1 Piece(s)	Quote	10	10	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 207.31	1 Piece(s)	7 Day(s)	10	10	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 223.20	1 Piece(s)	Quote	10	15	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 227.73	1 Piece(s)	7 Day(s)	10	15	44	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 209.73	1 Piece(s)	Quote	10	10	48	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 213.36	1 Piece(s)	7 Day(s)	10	10	48	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 244.88	1 Piece(s)	Quote	10	15	48	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 249.73	1 Piece(s)	7 Day(s)	10	15	48	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 241.33	1 Piece(s)	7 Day(s)	10	15	48	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	12	12	MLM	3.9
MYR 214.58	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 205.07	1 Piece(s)	7 Day(s)	10	10	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 253.37	1 Piece(s)	7 Day(s)	10	15	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 257.01	1 Piece(s)	7 Day(s)	10	15	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 265.49	1 Piece(s)	7 Day(s)	10	15	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	12	12	MLM	3.9
MYR 267.92	1 Piece(s)	2 Day(s)	10	15	50	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	14	14	MLM	3.9
MYR 227.73	1 Piece(s)	Quote	10	10	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 231.13	1 Piece(s)	7 Day(s)	10	10	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 288.53	1 Piece(s)	Quote	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 292.17	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 300.66	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	12	12	MLM	3.9
MYR 283.25	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	14	14	MLM	3.9
MYR 290.05	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	15	15	MLM	3.9
MYR 312.78	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	16	16	MLM	3.9
MYR 312.78	1 Piece(s)	7 Day(s)	10	15	60	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	17	17	MLM	3.9
MYR 270.34	1 Piece(s)	Quote	10	10	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 257.19	1 Piece(s)	7 Day(s)	10	10	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 324.90	1 Piece(s)	Quote	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	8	8	MLM	3.9
MYR 307.04	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	10	10	MLM	3.9
MYR 337.03	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	12	12	MLM	3.9
MYR 339.45	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	14	14	MLM	3.9
MYR 346.72	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	15	15	MLM	3.9
MYR 349.15	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	16	16	MLM	3.9
MYR 349.15	1 Piece(s)	7 Day(s)	10	15	72	Shape E	[Aluminum] Extra Super Duralumin Series Aluminum Alloy	Clear Anodize	17	17	MLM	3.9

Product TOP

Basic Information

Type	Keyless Bushings	Belt Type	S3M	Timing Pulley / Idler	Pulleys
Features, Areas of Application	Not Applicable

Configure

103 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Belt Width Used(mm)
10

15
Clear
No. of Teeth(T)
30

34

36

40

44

48

50

60

72
Clear
Material
- Aluminum
  - 2000 Series Aluminum Alloy
  - Extra Super Duralumin Series Aluminum Alloy
Clear
Surface Treatment
- Clear Anodize
- Hard Clear Anodize
Clear
Shaft Bore Dia. d(mm)
6

8

10

12

14

15

16

17

18

19
Clear
Shaft Bore Dia. d(mm)
6

8

10

12

14

15

16

17

18

19
Clear
MechaLock
- MLBA
- MLM
Clear
Mechalock Locking Bolt Tightening Torque(N・m)
0.9

1.5

3.9
Clear
type
- HHAA□□S3M
- HHTA□□S3M
- HHTK□□S3M
Clear
Pulley Shape
- Shape E
- Shape F
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

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Keyless High Torque Timing Pulleys - S3M - MechaLock Standard Type Incorporated (with Centering Function)

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Specification Table

Alterations

Part Number

Basic Information

Configure

Specification/Dimensions

Belt Width Used(mm)

No. of Teeth(T)

Material

Surface Treatment

Shaft Bore Dia. d(mm)

Shaft Bore Dia. d(mm)

MechaLock

Mechalock Locking Bolt Tightening Torque(N・m)

type

Pulley Shape

CAD

Days to Ship

Specify Alterations

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