WD121 series engineer class sprocket are used for a wide verity of chain sizes. These sizes include SD21, SD21A, CC121, and HC121. 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 WD1prockets21-Series S
Note: Tooth Face at Pitch Line: 8.625″/ Roller Diameter: 2.500″
|Length Thru Bore
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.