MMRJA15 - R&M Imperial Cylindrical Roller - 15x42x13mm KMTA15 This 6804 ZZ bearing is

This 6804 ZZ bearing is a Shielded Thin Section Radial Ball Bearing with a standard radial internal clearance

This QJ306MA bearing is a a four point contact bearings with a machined brass cage with the outer ring centred and a normal internal clearance

This 6338 M C3 FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a Machined Brass cage

This 2310KTNC3 bearing is a double row

MHT15 C4 R660 T1 H S2 Maintenance Free Standard Flange Type Top Mounting Linear Way Unit Four Carriages 660mm - Rail Length Light Preload High Accuracy Class S2 Specification

MMRJA15 - R&M Imperial Cylindrical Roller - 15x42x13mm KMTA15 This 6804 ZZ bearing isThis MMRJA15 is a medium, metricseries Cylindrical Roller Bearing with two lips on the outer race, one lip on the inner race and a standard internal clearance. The bearing's dimensions are 15x42x13mm