About Roller Chain and Sprockets
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ANSI Roller Chain and Links
Connecting links are also known as master links. They're used to join the ends of a chain length. The side plate is easy to remove for attaching to a chain. Adding links are also known as roller links. They require two connecting links to join chain. Adding-and-connecting links are also known as half links and offset links. A combination of connecting and adding links, they join chain that requires an odd number of links. For trade number 35 and up, the side plate is easy to remove for attaching them to chain.
For technical drawings and 3-D models, click on a part number.
 Chain |  Connecting Link |  Adding Link |
 Adding-and-Connecting Link |  |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Lengths, ft. | Per Ft. | |
Steel | |||||||
|---|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 1-20, 50, 100 | 00000000 | 000000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 00000000 | 00000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 00000000 | 00000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 00000000 | 00000 |
Corrosion-Resistant ANSI Roller Chain and Links
This 304 stainless steel roller chain is more corrosion resistant than treated steel roller chain.
Connecting links are also known as master links. They're used to join the ends of a chain length. The side plate is easy to remove for attaching to a chain. Adding-and-connecting links are also known as half links and offset links. A combination of connecting and adding links, they can join chain that requires an odd number of links. For trade number 35 and up, the side plate is easy to remove for attaching them to chain.
For technical drawings and 3-D models, click on a part number.
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Lengths, ft. | Per Ft. | |
304 Stainless Steel  | |||||||
|---|---|---|---|---|---|---|---|
| 40-2SS | 1/2" | 0.312" | 5/16" | 190 | 1-10, 20 | 000000 | 000000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2SS | 1/2" | 0.312" | 5/16" | 190 | 0000000 | 000000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2SS | 1/2" | 0.312" | 5/16" | 190 | 0000000 | 000000 |
High-Strength Corrosion-Resistant ANSI Roller Chain and Links
This treated steel chain has over eight times the capacity of stainless steel chain.
Connecting links are also known as master links. They're used to join the ends of a chain length. The side plate is easy to remove for attaching to a chain. Adding-and-connecting links are also known as half links and offset links. A combination of connecting and adding links, they can join chain that requires an odd number of links. The side plate is easy to remove for attaching to chain.
For technical drawings and 3-D models, click on a part number.
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Lengths, ft. | Per Ft. | |
Corrosion-Resistant-Coated Steel | |||||||
|---|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 1-10, 20 | 000000 | 000000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Corrosion-Resistant-Coated Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 0000000 | 00000 |
| Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Corrosion-Resistant-Coated Steel | ||||||
|---|---|---|---|---|---|---|
| 40-2 | 1/2" | 0.312" | 5/16" | 1,350 | 0000000 | 000000 |
ANSI Roller Chain Wear-Indicating Rulers
Place this plastic ruler on links to measure chain wear.
Overall | |||||
|---|---|---|---|---|---|
| For Roller Chain Trade Size | Lg. | Wd. | Material | Each | |
For Single- and Double-Strand ANSI Roller Chain | |||||
| 40, 41, 50, 60, 80, 100, 120, 140, 160, 180, 200, 240, 40-2, 50-2, 60-2, 80-2, 100-2, 120-2, 140-2, 160-2, 180-2, 200-2, 240-2 | 15" | 2 5/8" | Plastic | 000000 | 00000 |
ANSI Roller Chain Wear-Indicating Inserts
Place these steel inserts between two roller links. If they can be inserted past your ANSI number, the chain is worn out.
Overall | |||||
|---|---|---|---|---|---|
| For Roller Chain Trade Size | Lg. | Wd. | Material | Each | |
For Single- and Double-Strand ANSI Roller Chain | |||||
| 35, 40, 41, 50, 60, 80, 100, 35-2, 40-2, 50-2, 60-2, 80-2, 100-2 | 8 3/4" | 5/8" | Steel | 000000 | 0000000 |