111mm Hub Diameter Sprockets

Add these free-spinning pulleys to your timing belt setup to minimize vibration and keep belts from wearing out. The needle bearing at the center of these pulleys is lined with small, cylindrical rollers that reduce friction as they rotate. This bearing allows both the pulley and the shaft it’s mounted on to spin independently. Made from iron or steel, these pulleys are strong and wear-resistant. The black oxide coating protects the pulleys from corrosion in dry environments.

Trapezoidal teeth on the outside of the pulley fit into teeth inside your timing belt—select a pulley that matches your belt trade size. The maximum belt width should be the same size or larger than the width of your timing belt.

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

Metric—Press-Fit Mount

With Two Flanges

With Two Flanges and a Hub

For GT2 Belt Trade Size
For Max. Belt Wd., mm	OD, mm	Number of Teeth	Pitch, mm	For Shaft Dia., mm	Dia., mm	Bore Type	Inside Wd., mm	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Number of Flanges	Fabrication	Material	Bearing Type	Hub Dia., mm		Each
20	146	30	14	40	130.89	Plain	20	60	60	133.68	2	Machined	Black-Oxide Iron	Needle Roller	111	0000000	0000000
37	146	30	14	40	130.89	Plain	37	59	59	133.68	2	Machined	Black-Oxide Iron	Needle Roller	111	0000000	000000