28.7 mm Overall Width Sprockets

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5 Products

High-Strength HTD Timing Belt Pulleys

These HTD (high torque drive) pulleys have a curved tooth shape that provides higher strength than trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

Bushing-mount pulleys grip the shaft more securely than pulleys that press fit. Quick-disconnect (QD) bushings and split-tapered bushings sold separately.

For technical drawings and 3-D models, click on a part number.

Bushing Mount

For 20 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	ID	Bore Type	For Bushing Style	Inside Wd., mm	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Number of Flanges	Fabrication	Material		Each
97.03	34	8	1.871"	Finished	Quick Disconnect Style SH	22.35	28.7	28.7	86.588	2	Machined	Black-Oxide Iron	00000000	000000
109.99	40	8	1.871"	Finished	Quick Disconnect Style SH	22.35	28.7	28.7	101.854	2	Machined	Black-Oxide Iron	0000000	00000
120.91	44	8	2.187"	Finished	Quick Disconnect Style SDS	22.35	28.7	28.7	112.039	2	Machined	Black-Oxide Iron	00000000	00000
131.07	48	8	2.187"	Finished	Quick Disconnect Style SDS	22.35	28.7	28.7	122.224	2	Machined	Black-Oxide Iron	00000000	00000
151.13	56	8	2.187"	Finished	Quick Disconnect Style SDS	22.35	28.7	28.7	142.595	2	Machined	Black-Oxide Iron	00000000	00000