R4A-ZZ Ball Bearing | R4A-ZZ Bearing - 1/4"x3/4"x0.2812" 5V Ten-Groove QD Bushed Sheaves Dimension (M): 5-15/32"

Dimension (M): 5-15/32"

Dynamic Load: 23830 LBS

Something else that is notable about this 06B21 sprocket is that it fully meets all ISO Standards

This 5306-ZZ Bearing is a high-precision premium shielded double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS

and precision sprocket with 13 teeth

R4A-ZZ Ball Bearing | R4A-ZZ Bearing - 1/4"x3/4"x0.2812" 5V Ten-Groove QD Bushed Sheaves Dimension (M): 5-15/32"This R4A ZZ ball bearing is a high precision premium quality shielded deep groove 1 4"x3 4"x0. 2812" ball bearing made to ABEC 3 precision standards from AXIS. What sets this R4A ZZ 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 has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The