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25 Chain Sprockets

Put your trust in our quality-assurance process with #25 roller chain sprockets from USA Roller Chain. Plastic, stainless steel, and black-oxide-coated hardened metal are the materials of choice in our stock. We're pleased to support many different industries, including government entities, small businesses, OEMs, and major resellers. Every top configuration can be found in our inventory. Look for 25 roller chain sprockets with A-plate or B-hub configurations. Each #25 sprocket comes with precision teeth, so your assembly keeps moving through the workday.

ANSI standards are the rule with every sprocket for 25 chains in our inventory. Do you have questions about customized options? We specialize in custom and bulk orders. Because we only sell the best #25 chain sprocket parts in the industry, their performance will only enhance your bottom line. USA Roller Chain gives you personalized service with rapid shipping to almost any location today!

25 B-Hub Sprockets

25 b hub sprocket
B-hub sprockets are designed with a hub extending off one side of the sprocket. This 25-sprocket configuration allows for a key-way and set screws to be placed within the bore of the hub for securing onto a shaft for driven sprocket applications or for the bore to be sized to fit a bearing for idler sprocket applications.

Part # Purchase Tooth Count Diameter (O.D.) Type Stock Bore Rec. Max. Bore Hub Dia. L.T.B Weight (LBS)
25B9 CALL TO ORDER 9 0.837" B 0.25" 0.25" 0.438" 0.5" 0.03
25B10 ADD TO CART 10 0.919" B 0.25" 0.25" 0.5" 0.5" 0.03
25B11 ADD TO CART 11 1.002" B 0.25" 0.313" 0.563" 0.5" 0.04
25B12 ADD TO CART 12 1.083" B 0.25" 0.375" 0.625" 0.5" 0.06
25B13 ADD TO CART 13 1.167" B 0.25" 0.438" 0.719" 0.5" 0.07
25B14 ADD TO CART 14 1.246" B 0.25" 0.563" 0.813" 0.5" 0.08
25B15 ADD TO CART 15 1.326" B 0.25" 0.563" 0.891" 0.5" 0.10
25B16 ADD TO CART 16 1.407" B 0.25" 0.563" 0.969" 0.5" 0.12
25B17 ADD TO CART 17 1.487" B 0.25" 0.625" 1.031" 0.5" 0.14
25B18 ADD TO CART 18 1.568" B 0.25" 0.75" 1.125" 0.5" 0.16
25B19 ADD TO CART 19 1.648" B 0.25" 0.813" 1.219" 0.5" 0.19
25B20 ADD TO CART 20 1.729" B 0.25" 0.875" 1.281" 0.625" 0.25
25B21 ADD TO CART 21 1.809" B 0.25" 0.875" 1.375" 0.625" 0.28
25B22 ADD TO CART 22 1.889" B 0.25" 0.938" 1.438" 0.625" 0.31
25B23 ADD TO CART 23 1.969" B 0.25" 1" 1.5" 0.625" 0.32
25B24 ADD TO CART 24 2.049" B 0.375" 1" 1.5" 0.625" 0.33
25B25 ADD TO CART 25 2.129" B 0.375" 1" 1.5" 0.625" 0.34
25B26 ADD TO CART 26 2.209" B 0.375" 1" 1.5" 0.625" 0.35
25B28 ADD TO CART 28 2.369" B 0.375" 1" 1.5" 0.625" 0.36
25B30 ADD TO CART 30 2.529" B 0.375" 1" 1.5" 0.625" 0.38
25B32 ADD TO CART 32 2.688" B 0.375" 1" 1.5" 0.625" 0.40
25B36 ADD TO CART 36 3.008" B 0.375" 1" 1.5" 0.75" 0.50
25B40 ADD TO CART 40 3.327" B 0.5" 1.375" 2" 0.75" 0.53
25B45 ADD TO CART 45 3.725" B 0.5" 1.375" 2" 0.75" 0.56
25B48 ADD TO CART 48 3.964" B 0.5" 1.375" 2" 0.75" 0.56
25B54 ADD TO CART 54 4.442" B 0.5" 1.375" 2" 0.75" 1.00
25B60 ADD TO CART 60 4.920" B 0.5" 1.375" 2" 0.75" 1.10
25B70 ADD TO CART 70 5.717" B 0.5" 1.375" 2" 0.75" 1.25
25B72 ADD TO CART 72 5.876" B 0.5" 1.375" 2" 0.75" 1.30

25 A-Plate Sprockets

25 a plate sprocket
A-plate sprockets are a plain plate with a stock bore hole in the center of it; this type od sprocket has no hubs on it.

Part # Tooth Count Outside Diameter (O.D.) Type Stock Bore Weight (LBS)
25A18 18 1.568" A 0.25" 0.04LBS
25A19 19 1.648" A 0.25" 0.04LBS
25A20 20 1.729" A 0.25" 0.04LBS
25A21 21 1.809" A 0.375" 0.04LBS
25A22 22 1.889" A 0.375" 0.06LBS
25A23 23 1.969" A 0.375" 0.06LBS
25A24 24 2.049" A 0.375" 0.08LBS
25A25 25 2.129" A 0.375" 0.08LBS
25A26 26 2.209" A 0.375" 0.09LBS
25A28 28 2.369" A 0.375" 0.10LBS
25A30 30 2.529" A 0.375" 0.12LBS
25A32 32 2.688" A 0.375" 0.14LBS
25A35 35 2.928" A 0.375" 0.16LBS
25A36 36 3.008" A 0.375" 0.18LBS
25A40 40 3.327" A 0.5" 0.20LBS
25A42 42 3.486" A 0.5" 0.24LBS
35A45 45 3.725" A 0.5" 0.25LBS
25A48 48 3.964" A 0.5" 0.32LBS
25A54 54 4.442" A 0.5" 0.38LBS
25A60 60 4.920" A 0.5" 0.54LBS







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