40-12 Roller Chain - Twelve Strand 40 Chain
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 |
#40-12 is a twelve strand 40 roller chain that is manufactured in accordance with ANSI B29.1 Standards. Our chain exceeds the "standard" by having solid rollers, heat-treated components, and utilizing high-quality carbon steel. Typically 40-12 roller chain can be found in heavy-duty drive and conveying applications ranging in forestry, mining, agriculture, oilfield, steel processing, and more. We supply #40 twelve-strand roller chain as riveted or cotter-key construction depending on the application needs. We also supply a range of twelve strand sprockets, roller chain tensioners, v-belts, v-belt pulleys, electric motors, gear reducers, and more. To get pricing and availability please contact our customer service team and we will be happy to assist you.
40-12 Roller Chain Dimensions

- Pitch (P): 0.500"
- Dimension (W): 0.313"
- Dimension (D): 0.312"
- Dimension (d): 0.156"
- Dimension (e): 0.327"
- Dimension (f): 0.374"
- Dimension (g): 0.389"
- Dimension (C): 0.567"
- Dimension (T): 0.059"
- Dimension (H): 0.472"
- Dimension (h): 0.409"
- Chain Weight (LBS/ FT): 4.71
- Pitch (P): 0.500"
- Dimension (W): 0.313"
- Dimension (D): 0.312"
- Dimension (d): 0.156"
- Dimension (e): 0.327"
- Dimension (f): 0.374"
- Dimension (g): 0.389"
- Dimension (C): 0.567"
- Dimension (T): 0.059"
- Dimension (H): 0.472"
- Dimension (h): 0.409"
- Chain Weight (LBS/ FT): 4.71