China Professional #25 Chain Sprockets wholesaler

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 that your assembly keeps moving through the workday.

#25 A-Plate Sprockets

 

 

 

 

 

 

 

Sprocket Size Tooth Count Type Outside Diameter Stock Bore Weight (LBS)
25A18 18 A 1.568″ 1/4 0.04
25A19 19 A 1.648″ 1/4 0.04
25A20 20 A 1.729″ 1/4 0.04
25A21 21 A 1.809″ 3/8 0.04
25A22 22 A 1.889″ 3/8 0.06
25A23 23 A 1.969″ 3/8 0.06
25A24 24 A 2.049″ 3/8 0.08
25A25 25 A 2.129″ 3/8 0.08
25A26 26 A 2.209″ 3/8 0.09
25A28 28 A 2.369″ 3/8 0.10
25A30 30 A 2.529″ 3/8 0.12
25A32 32 A 2.688″ 3/8 0.14
25A35 35 A 3/8 0.16
25A36 36 A 3.008″ 3/8 0.18
25A40 40 A 3.327″ 1/2 0.20
25A42 42 A 1/2 0.24
25A45 45 A 3.725″ 1/2 0.25
25A48 48 A 3.964″ 1/2 0.32
25A54 54 A 4.442″ 1/2 0.38
25A60 60 A 4.920″ 1/2 0.54
25A72 72 A 5.876″ 1/2 0.74

 

#25 B-Hub Sprockets

 

 

 

 

 

 

 

 

 

Sprocket Size Tooth Count Type Outside Diameter Stock Bore Recommend Max. Bore Hub Diameter Length Thru Bore Weight (LBS)
25B10 10 B 0.919″ 1/4 1/4 1/2 1/2 0.03
25B11 11 B 1.002″ 1/4 5/16 9/16 1/2 0.04
25B12 12 B 1.083″ 1/4 3/8 5/8 1/2 0.06
25B13 13 B 1.167″ 1/4 7/16 23/32 1/2 0.07
25B14 14 B 1.246″ 1/4 9/16 13/16 1/2 0.08
25B15 15 B 1.326″ 1/4 9/16 57/64 1/2 0.10
25B16 16 B 1.407″ 1/4 9/16 31/32 1/2 0.12
25B17 17 B 1.487″ 1/4 5/8 1-1/32 1/2 0.14
25B18 18 B 1.568″ 1/4 3/4 1-1/8 1/2 0.16
25B19 19 B 1.648″ 1/4 13/16 1-7/32 1/2 0.19
25B20 20 B 1.729″ 1/4 7/8 1-9/32 5/8 0.25
25B21 21 B 1.809″ 1/4 7/8 1-3/8 5/8 0.28
25B22 22 B 1.889″ 1/4 15/16 1-7/16 5/8 0.31
25B23 23 B 1.969″ 1/4 1 1-1/2 5/8 0.32
25B24 24 B 2.049″ 3/8 1 1-1/2 5/8 0.33
25B25 25 B 2.129″ 3/8 1 1-1/2 5/8 0.34
25B26 26 B 2.209″ 3/8 1 1-1/2 5/8 0.35
25B28 28 B 2.369″ 3/8 1 1-1/2 5/8 0.36
25B30 30 B 2.529″ 3/8 1 1-1/2 5/8 0.38
25B32 32 B 2.688″ 3/8 1 1-1/2 5/8 0.40
25B36 36 B 3.008″ 3/8 1 1-1/2 3/4 0.50
25B40 40 B 3.327″ 1/2 1-3/8 2 3/4 0.53
25B45 45 B 3.725″ 1/2 1-3/8 2 3/4 0.56
25B48 48 B 3.964″ 1/2 1-3/8 2 3/4 0.56
25B54 54 B 4.442″ 1/2 1-3/8 2 3/4 1.00
25B60 60 B 4.920″ 1/2 1-3/8 2 3/4 1.10
25B70 70 B 5.717″ 1/2 1-3/8 2 3/4 1.25
25B72 72 B 5.876″ 1/2 1-3/8 2 3/4 1.30

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