This LWL20R840BHS2 is a miniature ball type series linear way with a rail length of 840mm
YAT 210-115 Y-Bearing with Grub Screw Inch Shaft Contact Standard Integral Seal
MHSG25 C4 R1020 T1 H S2 Maintenance Free Long Compact Top Mounting Linear Way Unit Four Carriages 1020mm - Rail Length Light Preload High Accuracy Class S2 Specification
This LWHDG25C4R1020T1HS2 is a high rigidity ball type series linear way with a rail length of 1020mm
CF 6 B Standard Type Size High Carbon Steel Cage Type Hexagon Socket Shield Type Cylindrical Outer Ring
RNA6901UU IKO Machined Needle Roller Bearing - 16X24X22MM 71902CEGB/P4A Precision Angular Contact This LWL20R840BHS2 is a miniatureThe RNA6901UU 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