188 series engineer class sprocket are used for a wide verity of chain sizes. These sizes include 91R, 4113, 1188, SR188, 2188, RS2188, RS4113, LXS4113, and SS2188. 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 188-Series Sprockets

Note: Tooth Face at Pitch Line: 0.9375″/ Roller Diameter: 1.750″

Sprocket Size Tooth Count Style Pitch Diameter Hub Diameter Length Thru Bore Maximum Bore Weight (LBS)
188C5 5 C 6.78″ 4.00″ 3.00″ 2.50″ 14.0
188C6 6 C 8.00″ 4.00″ 3.00″ 3.44″ 15.0
188C7 7 C 9.22″ 4.00″ 3.00″ 3.68″ 27.0
188C8 8 C 10.45″ 6.00″ 4.00″ 3.94″ 35.0
188C9 9 C 11.70″ 6.00″ 4.00″ 3.94″ 32.0
188C10 10 C 12.94″ 6.00″ 4.00″ 3.94″ 43.0
188C11 11 C 14.19″ 6.50″ 4.00″ 4.44″ 50.0
188C12 12 C 15.45″ 6.50″ 4.00″ 4.44″ 60.0
188C13 13 C 16.71″ 8.00″ 5.00″ 5.00″ 36.0
188C15 15 C 19.24″ 8.00″ 5.00″ 5.00″ 39.0
188C19 19 C 24.30″ 10.00″ 5.00″ 6.00″ 48.0
188C24 24 C 30.64″ 10.00″ 5.00″ 6.00″ 58.0

 

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.