Discover the New “My Dashboard” Experience

Join Eric Stasiowski, manager – online marketing & ecommerce, to see how you can save key items like documents, bearings, and distributor locations directly to your account.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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Unit of Measure
Items
Hexadrive Models HM-3, Pulleys C and Z

Model 31902 Pulleys - Imperial

Hexadrive Models HM-3, Pulleys C and Z

Model 31902 Pulleys - Imperial

Hexadrive Models HM-3, Pulleys C and Z

Model 31902 Pulleys - Imperial

Hexadrive Models HM-3, Pulleys C and Z

Model 31902 Pulleys - Imperial

Hexadrive Models HM-3, Pulleys C and Z

Model 31902 Pulleys - Imperial
Description  N/A 31902-7/8-PULLEY N/A 31902-1"-PULLEY N/A 31902-1-1/8-PULLEY N/A 31902-5/8-PULLEY N/A 31902-3/4-PULLEY
Bore Diameter  N/A 7/8 in N/A 1 in N/A 1 1/8 in N/A 5/8 in N/A 3/4 in
Model N/A 31902
Outside Diameter N/A 8.250 in
Overall Length N/A 5.380 in
Weight N/A 12.50 lb
UPC Number N/A 20456 N/A 20457 N/A 20458 N/A 42300 N/A 42301
Cubic inches N/A 366.17625 in³