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140B27H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
100A15 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes
This #140 roller chain tensioner provides consistent tension on the chain with minimal drive wear
This 2050B21 sprocket is durable
Bore Range: 1/2" - 2-15/16"
5215-2RS Bearing | AXIS 5215-2RS Ball Bearing - 75x130x1-5/8" Bushing Size 140B27H sprockets with a stockThis 5215 2RS Bearing is a high precision premium double sealed double row angular contact ball bearing made to ABEC 3 precision standards from AXIS. What sets this 5215 2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to, the grade 10 balls used, and the superb electric motor quality rating (EMQ). ABEC 3 means that the bearing itself has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The
