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
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.
25 A-Plate Sprockets
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
|
|
