About Roller Chain and Sprockets
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Idler Sprockets for Double-Strand ANSI Roller Chain

Maintain constant tension on your drive with these sprockets that press against your chain to take up slack and reduce wear and vibration. They rotate freely on built-in bearings and are for use with roller chain tensioners. Bearings are double sealed to keep dirt out.
For technical drawings and 3-D models, click on a part number.
Bearing | ||||||||
---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Material | Type | Material | Each | |
For ANSI 80-2 Roller Chain (1" Pitch) | ||||||||
12 | 3/4" | 4.33" | 1 23/32" | Steel | Ball | Steel | 000000 | 0000000 |
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 | |||||||
---|---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 1-20, 50 | 00000000 | 000000 |
Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 00000000 | 000000 |
Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 00000000 | 000000 |
Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Steel | ||||||
---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 00000000 | 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 | |||||||
---|---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 1-10, 20 | 000000 | 000000 |
Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Corrosion-Resistant-Coated Steel | ||||||
---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 0000000 | 000000 |
Roller Chain Trade No. | Pitch | Roller Dia. | Roller Wd. | Working Load, lbs. | Each | |
Corrosion-Resistant-Coated Steel | ||||||
---|---|---|---|---|---|---|
80-2 | 1" | 0.625" | 5/8" | 5,600 | 0000000 | 000000 |