We supply the widest selection of 81X roller chain sprockets in the world! All of our 81x sprockets are manufactured using high-quality materials and are precision manufactured for optimum performance and working life. The majority of out 81X chain sprockets are manufactured from steel, but we also have cast sprockets. For washdown applications, we also supply high-quality 303, 304, 316-grade stainless steel 81X sprocket as well as plastic 81X sprockets.
81X sprockets work with chain sizes: 81X, 81XH, 81XHH, 81XHD, 81XXHD, 81XHS, 81X-RT, 81XHT
Common configurations for 81X sprockets are A-plate which is a simple plate sprocket, B-Hub which has a hub on one side, C-Hub which has a hub on both sides, idler, as well as split construction for both A and B hub style sprockets. Because of the ease in replacing, split sprockets are actually becoming more and more popular and the preference for most facilities, despite the higher initial cost.
81X Chain Sprocket Dimensions
A-Plate | B-Hub | C-Hub | B-Split Sprockets | C-Split Sprockets | Idler Sprockets | Plastic Sprockets |
---|---|---|---|---|---|---|
81XA7 | 81XB7 | 81XC7 | SPLIT-81XB7 | SPLIT-81XC7 | 7-TOOTH | 5-TOOTH |
81XA8 | 81XB8 | 81XC8 | SPLIT-81XB8 | SPLIT-81XC8 | 8-TOOTH | 6-TOOTH |
81XA9 | 81XB9 | 81XC9 | SPLIT-81XB9 | SPLIT-81XC9 | 9-TOOTH | 8-TOOTH |
81XA10 | 81XB10 | 81XC10 | SPLIT-81XB10 | SPLIT-81XC10 | 10-TOOTH | 9-TOOTH |
81XA11 | 81XB11 | 81XC11 | SPLIT-81XB11 | SPLIT-81XC11 | 11-TOOTH | 10-TOOTH |
81XA12 | 81XB12 | 81XC12 | SPLIT-81XB12 | SPLIT-81XC12 | 12-TOOTH | 12-TOOTH |
81XA13 | 81XB13 | 81XC13 | SPLIT-81XB13 | SPLIT-81XC13 | 13-TOOTH | 13-TOOTH |
81XA14 | 81XB14 | 81XC14 | SPLIT-81XB14 | SPLIT-81XC14 | 14-TOOTH | 14-TOOTH |
81XA15 | 81XB15 | 81XC15 | SPLIT-81XB15 | SPLIT-81XC15 | 15-TOOTH | -- |
81XA16 | 81XB16 | 81XC16 | SPLIT-81XB16 | SPLIT-81XC16 | 16-TOOTH | -- |
81XA17 | 81XB17 | 81XC17 | SPLIT-81XB17 | SPLIT-81XC17 | 17-TOOTH | -- |
81XA18 | 81XB18 | 81XC18 | SPLIT-81XB18 | SPLIT-81XC18 | 18-TOOTH | -- |
81XA19 | 81XB19 | 81XC19 | SPLIT-81XB19 | SPLIT-81XC19 | 19-TOOTH | -- |
81XA20 | 81XB20 | 81XC20 | SPLIT-81XB20 | SPLIT-81XC20 | 20-TOOTH | -- |
Services we can provide
1. Produce strictly following standard dimension
2. Material: 1045 Steel / Alloy Steel / Stainless Steel 304 & 316
3. Standard: ANSI, DIN, JINS, ISO, KANA, Standard America, or customer's drawing
4. Pilot bore, finished bore, taper bore, and special bore.
5. Bright surface / high precision / Blacking /Electrophoretic-Coated
6. Advanced heat treatment and surface treatment craft
7. Best quality and competitive price.
8. Welcome OEM / ODM
9. Processing Equipment: Hobbing machine, Slotting machine, CNC lathes, and other equipment.
10. Sprocket Models: Contains special sprocket according to customer's drawings, standard sprocket (American standard and metric).
1.Provide documentation:CAD, DWG, DXF, PDF,3D model ,STEP, IGS, PRT

Related products:

Factory:
As a professional China sprocket manufacturer and professional supplier, we ensure the quality of every sprocket. All items are checked and tested thoroughly during every working procedure and after the product is finally manufactured to ensure that the best quality product goes out in the market.
![]() | ![]() | ![]() |
![]() | ![]() | ![]() |