About Roller Chain and Sprockets
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ANSI Attachment Chains
Attach brackets and guides to these chains—or move material directly—for use in conveying, timing, and aligning applications. Like roller chains, these attachment chains have solid rollers and bushings and a riveted construction for strength and durability. These factory-assembled chains save installation time and perform better than roller chains fitted with attachment links.
Chains with attachment tabs have holes for mounting parts and hanging hooks. Chains with attachment pins are good for tripping switches.
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.
For technical drawings and 3-D models, click on a part number.



Roller | Chain | Connecting Links | Adding Links | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Roller Chain Trade No. | Pitch | Dia. | Wd. | Working Load, lbs. | Attachment Location | Tab Lg. | Mounting Hole Dia. | Includes | Lengths, ft. | Per Ft. | Each | Each | |||
Single Strand—Steel | |||||||||||||||
40 | 1/2" | 0.312" | 5/16" | 815 | Outside Links | 0.394" | 0.142" | One Connecting Link | 10, 15, 20 | 0000000 | 000000 | 000000 | 00000 | 00000000 | 00000 |
60 | 3/4" | 0.469" | 1/2" | 1,930 | Outside Links | 0.657" | 0.205" | One Connecting Link | 10, 15, 20 | 0000000 | 00000 | 0000000 | 0000 | 00000000 | 0000 |



Roller | Chain | Connecting Links | Adding Links | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Roller Chain Trade No. | Pitch | Dia. | Wd. | Working Load, lbs. | Attachment Location | Tab Lg. | Mounting Hole Dia. | Includes | Lengths, ft. | Per Ft. | Each | Each | |||
Single Strand—Steel | |||||||||||||||
40 | 1/2" | 0.312" | 5/16" | 815 | Outside Links | 0.394" | 0.142" | One Connecting Link | 10, 15, 20 | 0000000 | 000000 | 000000 | 00000 | 00000000 | 00000 |
50 | 5/8" | 0.400" | 3/8" | 1,400 | Outside Links | 0.563" | 0.205" | One Connecting Link | 10, 15, 20 | 0000000 | 00000 | 0000000 | 0000 | 00000000 | 0000 |



ANSI Roller Chain Spring Clips


Replace lost or damaged spring clips to secure the pins on your connecting links. Face the opening away from the direction of travel to maintain a snug fit.
For technical drawings and 3-D models, click on a part number.