Description
- Ball-bearing idler sprocket for ANSI #40 roller chain (1/2 in pitch)
- 18 hardened teeth; approx 3.14 in outside diameter, 2.879 in pitch diameter
- 1/2 in bore per part number
- Sealed ball bearing pressed into the sprocket plate for smooth free rotation
- Carbon steel with hardened teeth for long wear life
- Approx 0.720 in length through bore; 0.284 in tooth width
- Use as a chain tensioner/take-up or guide - maintains tension and absorbs slack
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