This S7020ACDGB/P4A bearing is a Super Precision angular contact bearing with 2 rubber seals
CRH 56 V B Inch Series Size High Carbon Steel Full Complement Type Hexagon Socket Shield Type Cylindrical Outer Ring
This NJ309ET bearing is a single row cylindrical roller bearing
the SKF NUP2315ECP SKF bearing is built to withstand the rigours of industrial environments
LWHTG30 C3 R800 T1 H S2 Non-Maintenance Free Long Flange Type Top Mounting Linear Way Unit Three Carriages 800mm - Rail Length Light Preload High Accuracy Class S2 Specification
RNA69/22UU IKO Machined Needle Roller Bearing - 28X39X30MM RHP ST50EC This S7020ACDGB/P4A bearing is aThe RNA69 22UU is a Standard Duty, Single Row Machined Needle Roller Bearing with an oil groove, an oil hole in the Outer Ring, and 2 Rubber Seals. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to