Chain MRO Parts > Roller Chain Tensioners > Rosta Tensioner Devices
Rosta 61030042 B7 V-Belt Pulley Idler For B and C V-Belts
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61030042 B5 V-Belt Pulley Idler Dimensions

- Belt Pulley Idler Type: B7
- Article Number: 61030042
- Belt Size: B-C
- Pitch Diameter: 6"
- Pulley OD: 7-5/16"
- Bore: 1/2"
- Length Thru Bore: 23/32"
Tensioning From Inside of the Belt Drive With Grooved Pulley

– Installation in the slack span of the belt drive, make sure that the belts are maintaining sufficient contact-arc on the driver- and driven-pulley.
– By extremely long center distances between driver and driven pulley, it is recommendable to use on the tensioner a deep-grooved pulley to avoid an excessive slack beating.
- Belt Pulley Idler Type: B7
- Article Number: 61030042
- Belt Size: B-C
- Pitch Diameter: 6"
- Pulley OD: 7-5/16"
- Bore: 1/2"
- Length Thru Bore: 23/32"