Trust our quality assurance process for #25 roller chain sprockets from roller chain. We offer a variety of materials, including plastic, stainless steel, and black-oxide-coated hardened metal. Our products support various industries, including government entities, small businesses, OEMs, and major resellers.In our inventory, you’ll find every top configuration, including #25 roller chain sprockets with a-plate designs. Each sprocket features precision-cut teeth, ensuring your assembly operates smoothly throughout the workday.
A-plate sprockets are plain plates with a stock bore hole in the center of them; this type of sprocket has no hubs.| 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 |

Identify the Chain Type: Common sizes include #25, #40, #50, etc. The number indicates the chain's pitch (distance between pins).Measure the Pitch: Use calipers to measure the distance between the centers of two adjacent pins. This helps confirm the chain size.
Sprocket Size: Ensure the sprocket is designed for the same chain size identified (e.g., a #25 sprocket for a #25 chain).Teeth Count: Determine the number of teeth on the sprocket. This affects speed and torque. More teeth provide more torque but reduce speed.

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