40B12 Sprocket With Stock Bore
Carbon Steel Chains
| Features | Premium/Premier | General Duty Plus | Economy Plus |
|---|---|---|---|
| Solid Bushings | Split Bushings in most cases | Split Bushings | |
| Solid Rollers | |||
| Through-Hardened Pins | Case-Hardened Pins | Heat-Treated Pins | |
| Case-Hardened Rollers | Heat-Treated in Some Chains | ||
| Case-Hardened Bushings | Heat-Treated in Some Chains | ||
| Wide Contour Plates | Standard Contour Plates | Standard Contour Plates | |
| Superior Pin to Plate Contact | |||
| High-Hold Riveting | Standard Dual-Stake Rivets | Standard Dual-Stake Rivets | |
| Factory Pre-Loading | Not Standard on Economy Chains | ||
| Specific Heat-Treatment on Every Component | Some Components Might be Heat-Treated | ||
| Premium Alloy & Carbon Materials | High-Quality Carbon Materials | Standard-Quality Carbon Materials | |
| Shot-Peened Components | Non Shot-Peened Components | Non Shot-Peened Components | |
| High-Precision Components | Standard Precision Components | Low Precision Components | |
| Conforms to ANSI B29.1 or ISO/DIN Standards |
Look no further than this 40B12 sprocket that's designed with precision machining and high-quality materials. Put this durable component to the test - its hardened teeth keep the motion flowing. Because this sprocket meets ANSI standards, you can trust in its reliability over the years. Breakage and premature wear are reduced, as it makes solid contact with any #40 roller chain.
This sprocket is further enhanced with a black-oxide coating. Rust and environmental wear are no match for this coating that withstands the daily rigors on any assembly. USA Roller Chain & Sprockets is proud to offer this product as a bored-to-size sprocket. Customize it, or use the stock 1/2-inch bore instead. There are no set screws or keyways to hinder your progress. Our stock is full of finished-bore configurations for your convenience. Pick a size and send in your order, and we'll fulfill it in record time. USA Roller Chain is your partner in business success.
40B12 Sprocket Dimensions:

- Sprocket Size: 40B10
- Outside Diameter: 1.840"
- Hub Type: B
- Stock Bore: 1/2"
- Recommended Max Bore: 3/4"
- Hub Diameter: 1-1/4"
- Length Through Bore: 7/8"
- Weight: 0.27 LBS
Phone: (407) 347-3519
Email: sales@usarollerchain.com
- Sprocket Size: 40B12
- Outside Diameter: 2.170"
- Hub Type: B
- Stock Bore: 1/2"
- Recommended Max Bore: 1"
- Hub Diameter: 1-9/16"
- Length Through Bore: 7/8"
- Weight: 0.45 LBS