Timing Pulleys Aluminum Clear Anodized S2M

Usually, timing pulleys and timing belts are widely used to design mechanisms for transmitting rotational power generated by motors.
Driving and transmission are realized through the engagement between the teeth of timing pulleys and timing belts.

Standard Tooth Profile	Pulley Shape K	A Shape	Shape B	Tapped Hole Size Table (Shaft Bore Specs.: P·N)
The tooth groove size varies slightly with the number of teeth (Tooth pitch: 2.0 mm)				dH7 Shaft Bore ID	M (Coarse Thread)	Accessory Fixing Screw
				3~5	M3	M3×3
				6~24	M4	M4×3

 

Shaft Bore Specs. H round hole	P Round Hole + Threaded Hole	N New JIS Keyway + Threaded Hole
Without threaded holes and set screws.	The set screw of the A-type pulley is located near 120° to avoid the thread teeth.	For detailed dimensions of keyway, Here.

Part Number			Material		Surface Treatment
Belt Width 4mm	Belt Width 6mm	Belt Width 10mm	Pulley	Flange
A: 5 W: 9 L: 17	A: 7 W: 11 L: 19	A: 11 W: 15 L: 23
E-HTPA□□S2M040	E-HTPA□□S2M060	E-HTPA□□S2M100	Aluminum Alloy	Aluminum Alloy	Clear Anodized

The flange is riveted, and set screws are included for shaft bore specs. P or N.

Part Number			Pulley Shape	Shaft Bore Specs.	Shaft Bore Specs. (1mm increments)						P.D.	O.D.	D	F	E
					H Round Hole		P Round Hole + Threaded Hole		N Keyway Hole + Tap
Type	Number of Teeth	Type & Nominal Width			dH7
					Shape A	Shape B・K	Shape A	Shape B・K	Shape A	Shape B
(Aluminum Alloy) E-HTPA	14	S2M040 ＊A ：5 ＊W ：9 ＊L ：17 S2M060 ＊A ：7 ＊W ：11 ＊L ：19 S2M100 ＊A ：11 ＊W ：15 ＊L ：23	A K	H P N	3・4	3・4	-	3・4	-	-	8.91	8.4	12	12	6
	15				3・4	3・4		3・4			9.55	9.04
	16				3・4・5	3・4・5		3・4・5			10.19	9.68	14	14	8
	18				3・4・5	3・4・5		3・4・5			11.46	10.95
	20				3~6	3~6	-	3~6	-	-	12.73	12.22	16	16	10
	22				3~7	3~6		3~6			14.01	13.5	18	18	11
	23				3~7	3~6		3~6			14.64	14.13
	24				3~9	3~7		3~7			15.28	14.77	20	20	13
	25				3~9	3~7		3~7			15.92	15.41
	26				3~10	3~8		3~8			16.55	16.04	22	22	14
	28				3~10	3~8		3~8			17.83	17.32
	30				3~10	3~8		3~8			19.1	18.59
	32		A B		4~12	4~8	4~10	4・5・6	8	-	20.37	19.86	12	25	16
	34				4~12	4~10	4~10	4~8	8・10・NK10		21.65	21.14	14
	36				4~14	4~10	4~10	4~8	8・10・NK10		22.92	22.41		28	18
	40				4~16	4~14	4~12	4~10	8~12	8	25.46	24.96	18	30	20
	44				5~19	5~16	5~15	5~12	8~13	8~11	28.01	27.5	20	32	23
	48				5~21	5~16	5~17	5~12	8~16	8~11	30.56	30.05		35	25
	50				5~21	5~16	5~17	5~12	8~16	8~11	31.83	31.32	20	35	25
	60				5~28	5~26	5~24	5~22	8~22	8~17	38.2	37.69	30	44	32
	72				5~34	5~30	5~30	5~26	8~26	8~20	45.84	45.33	34	50	38

Shaft Bore Dia. 4.5 and 6.35, if falling within the selection range, can be selected for Shaft Bore Specs. H and P.
Specify NK10 when New JIS Keyway Hole + Threaded Hole with shaft bore diameter of 10 and keyway width 4.0mm (height 1.8mm) is requested.
Refer to Keyway Detailed Dimensions.
NK10, if falling within the selection range, can also be selected for Shaft Bore Specs. N.
Shaft Bore Dia. 9 is not available for Shaft Bore Specs. N.

Feature 1: S specification timing pulleys, suitable for high torque transmission and conveyance design.
Feature 2: S specification timing pulleys provide great transmission accuracy and efficiency, making them suitable for high-precision transmission and conveyance designs.
Feature 3: S specification timing pulleys can be designed for use in mechanisms with larger shaft spacing, applicable to most mechanisms and equipment.
Feature 4: MISUMI timing pulleys satisfy industrial standards, enabling for a reliable purchase and simple equipment maintenance.
Feature 5: MISUMI timing pulleys are available in various materials and suitable for a wide range of design environments.
Feature 6: MISUMI timing pulleys are made with meticulous attention to detail, allowing customers to make purchases with more confidence.

	①Well processed teeth→High processing accuracy
	②Threaded hole deburred→Longer service life of timing belt
	③Evenly press-fitted retainer→Firm retainer, not easy to fall off
	④Beautiful tooth shape→Precisely engaged belt, with high concentricity

①For Shaft Bore Specs. P (round hole+threaded hole) or N, the attached set screws are shipped in the same package (may drop in the packaging bag).
②There is no threaded hole for Shaft Bore Specs. H (round hole).
③There may be no surface treatment in the shaft bore.
④For the N keyway hole, the positions of keyway and tooth are not fixed.

Technical Data of Toothed Timing Belts and Timing Pulleys
①Data on the selection of timing pulleys and timing toothed belts, tensioning force, etc. (drive).
②Data on the selection of timing pulleys and toothed timing belts, tensioning force, etc. (transmission & conveyance).
③Main causes and countermeasures for the damage, breakage, abnormal noise of toothed timing belts.
④Reference data on the replacement time of toothed timing belts.
⑤Data on dimensional tolerance of timing pulleys.