This 53317 bearing is a Single direction thrust bearing with a spherical housing locating washer
>3 MM - 91 04 WI CR DU M 25° Contact Angle Super High Precision Steel Balls Extra Light Series 20mm - Bore Size Angular Contact
Kluber Kluberfood 4 NH1-32 20L Brand Type Size Technical Data Sheets
LWHS25 C4 R1200 T1 H S2 Non-Maintenance Free Standard Compact Top Mounting Linear Way Unit Four Carriages 1200mm - Rail Length Light Preload High Accuracy Class S2 Specification
This LWHD15C4R240T1HS2 is a high rigidity ball type series linear way with a rail length of 240mm
RNA49/38UU IKO Machined Needle Roller Bearing - 45X58X20MM 6304-RSH/C3-SKF This 53317 bearing is aThe RNA49 38UU 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