W106 series engineer class sprocket are used for a wide verity of chain sizes. These sizes include W106, WH106HD, WR106, WR106HD, and WH110. These sprockets are typically supplied as cast material but we can also supply them as steel for longer operation. The below chart show the standard tooth counts as well as dimensions for each size.

Cast W106-Series Sprockets









Note: Tooth Face at Pitch Line: 1.50″/ Roller Diameter: 1.25″

Sprocket Size Tooth Count Style Pitch Diameter Hub Diameter Length Thru Bore Maximum Bore Weight (LBS)
106C5 5 C 10.15″ 6.00″ 4.75″ 4.00″ 30.0
106C8 8 C 15.68″ 7.00″ 4.75″ 5.00″ 85.0
106C9 9 C 17.54″ 7.00″ 4.75″ 5.00″ 100.0


We aslo offer a full range of both precision roller chain and engineered.

Applications are varied and range from conveyor, elevator transfer to broad general industrial power transmission specialty applications with attachments and/or special materials are also available.