UCF206-20 Bearing | 1-1/4" 4-Bolt Flange Bearing #140 SF-Type Sprockets This 1B5V48 Sheave uses a

This 1B5V48 Sheave uses a B bushing

Dimension (D): 42mm

This 6216-ZZ ball bearing is a high-precision premium quality deep groove shielded 80x140x26 ball bearing made to ABEC 3 precision standards from AXIS

Besides 1VP56 pulleys with a 3/4" bore we also stock a full line of high-quality performance 3L

next you place the chain gauge in-between the roller chain rollers like the image below

UCF206-20 Bearing | 1-1/4" 4-Bolt Flange Bearing #140 SF-Type Sprockets This 1B5V48 Sheave uses aUCF206 20 bearing is a 1 1 4" bore four bolt normal duty flange bearing that utilizes set screws to secure to a 1 1 4" shaft. UCF206 20 flange bearings are designed for circumstances where the bearing is mounted to a surface perpendicular to the shaft axis and poses great stability and rigidity due to the four mounting positions. Our superior UCF206 20 bearing with a 1 1 4" bore is equipped with a premium C3 precision insert bearing housed within a