2.812" ID Sprockets | McMaster-Carr

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20 Products

H Series Quick-Disconnect Timing Belt Pulleys

Move heavy loads without slippage—pulleys mount with quick-disconnect (QD) bushings (sold separately) for a more secure grip on the shaft than set screws. Bushing is not included. Pulleys are H series (heavy) and have trapezoidal teeth. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

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

Bushing Mount

With Two Flanges

For 1" Max. Belt Wd.
OD	Number of Teeth	Pitch	ID	Bore Type	For Bushing Style	Inside Wd.	Outside Wd.	Overall Wd.	Pitch Dia.	Number of Flanges	Fabrication	Material		Each
5.33"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	5.093"	2	Cast	Iron	0000000	0000000
5.97"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	5.73"	2	Cast	Iron	00000000	000000
6.61"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	6.366"	2	Cast	Iron	00000000	000000
7.88"	48	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.063"	1.313"	1.313"	7.639"	2	Cast	Iron	00000000	000000
For 1 1/2" Max. Belt Wd.
5.33"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	5.093"	2	Cast	Iron	0000000	000000
5.97"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	5.73"	2	Cast	Iron	00000000	000000
6.61"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	6.366"	2	Cast	Iron	00000000	000000
7.88"	48	0.500"	2.812"	Finished	Quick Disconnect Style SK	1.563"	1.813"	1.813"	7.639"	2	Cast	Iron	00000000	000000
For 2" Max. Belt Wd.
5.32"	32	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	5.093"	2	Machined	Black-Oxide Iron	0000000	000000
5.959"	36	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	5.73"	2	Machined	Black-Oxide Iron	00000000	000000
6.6"	40	0.500"	2.812"	Finished	Quick Disconnect Style SK	2.094"	2.344"	2.344"	6.366"	2	Machined	Black-Oxide Iron	00000000	000000

XH Series Quick-Disconnect Timing Belt Pulleys

Securely carry heavy loads—these pulleys mount with quick-disconnect (QD) bushings (not included) for a better grip on the shaft than set screws and press-fit pulleys. They are XH (extra heavy series) with trapezoidal teeth. Made from iron, these pulleys are strong and resist wear. A black-oxide coating protects them from corrosion in dry environments.

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

Bushing Mount—For Round Shafts

With Two Flanges

For 2" Max. Belt Wd.
OD	Number of Teeth	Pitch	ID	Bore Type	For Bushing Style	Inside Wd.	Outside Wd.	Overall Wd.	Pitch Dia.	Number of Flanges	Fabrication	Material		Each
5.563"	18	0.875"	2.812"	Finished	Quick Disconnect Style SK	2.187"	2.563"	2.563"	5.013"	2	Machined	Black-Oxide Iron	0000000	0000000
6.125"	20	0.875"	2.812"	Finished	Quick Disconnect Style SK	2.187"	2.563"	2.563"	5.57"	2	Machined	Black-Oxide Iron	0000000	000000
6.465"	22	0.875"	2.812"	Finished	Quick Disconnect Style SK	2.187"	2.563"	2.563"	6.127"	2	Machined	Black-Oxide Iron	0000000	000000
7.25"	23	0.875"	2.812"	Finished	Quick Disconnect Style SK	2.187"	2.563"	2.563"	6.406"	2	Machined	Black-Oxide Iron	0000000	000000
For 3" Max. Belt Wd.
5.563"	18	0.875"	2.812"	Finished	Quick Disconnect Style SK	3.25"	3 5/8"	3 5/8"	5.013"	2	Machined	Black-Oxide Iron	0000000	000000
6.125"	20	0.875"	2.812"	Finished	Quick Disconnect Style SK	3.25"	3 5/8"	3 5/8"	5.57"	2	Machined	Black-Oxide Iron	0000000	000000
6.465"	22	0.875"	2.812"	Finished	Quick Disconnect Style SK	3.25"	3 5/8"	3 5/8"	6.127"	2	Machined	Black-Oxide Iron	0000000	000000
For 4" Max. Belt Wd.
6.125"	20	0.875"	2.812"	Finished	Quick Disconnect Style SK	4.312"	4.688"	4.688"	5.57"	2	Machined	Black-Oxide Iron	0000000	000000
6.465"	22	0.875"	2.812"	Finished	Quick Disconnect Style SK	4.312"	4.688"	4.688"	6.127"	2	Machined	Black-Oxide Iron	0000000	000000