1240A-Series Sprockets

1240 series engineer class sprocket is used for a wide verity of chain sizes. These sizes include 1240, CHAMPION NO. 4, 1244, R1248, SS124, API 4, LXS1242, SS124, 3 BAR HYPER, LX1245, SS124D, SS124DP IS1242, and IS1425 size chains. These sprockets are typically supplied as cast material but we can also supply them as steel for longer operation. The below chart shows the standard tooth counts as well as dimensions for each size.

Cast  1240A-Series Sprockets

Tooth Face at Pitch Line: 1.75" - Roller Diameter: 1.75"

Sprocket SizeTooth CountPitch DiameterStyleStock BoreSprocket Weight
1240A668.13"A1.5"26.0 LBS
1240A7 79.36"A1.5"34.0 LBS
1240A8810.62"A1.5"44.0 LBS
1240A99 11.88"A1.5"55.0 LBS
1240A101013.15"A1.5"67.0 LBS
1240A111114.42"A 1.5"81.0 LBS
1240A1212 15.70"A1.5"96.0 LBS
1240A131316.98"A1.5"111.0 LBS
1240A141418.26"A1.5"130.0 LBS
1240A151519.54"A1.5"148.0 LBS
1240A161620.83"A1.5"168.0 LBS
1240A1818 23.40"A 1.5"213.0 LBS
1240A202025.97"A1.5"263.0 LBS
1240A212127.26"A1.5"289.0 LBS
1240A242431.12"A1.5"377.0 LBS
1240A252533.42"A 1.5"409.0 LBS
1240A282836.29"A1.5"509.0 LBS
1240A303038.87"A1.5" 587.0 LBS
1240A353545.33"A1.5"620.0 LBS
1240A404051.78"A 1.5"721.0 LBS
1240A484862.12"A1.5"867.0 LBS


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.


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We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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