This bearing part number is MR83 and The bearings has the following Dimensions:MR83 Hybrid Ceramic Bearings 3X8X2
open bearing Cage Brass cage Clearance Normal radial clearance Precision class Tolerance class P0/PN2 / ABEC 1 Groove(s) on outer ring 2 retaining grooves on outer ring shifted by 180 degrees Design Split inner ring Operating temperature -20 to +120 °C Net weight 4
SHS55+1020L G=30=G THK SHS55 Series Caged Ball LM Guides
7220A5TRDULP4 Super Precision Angular Contact Spindle Bearing 100x180x34mm (Set of 2) 7220A5TRDULP4
7212A5TRDULP3 Super Precision Angular Contact Spindle Bearing 60x110x22mm (Set of 2) 7212A5TRDULP3
W1402FA-3P-C5Z8 NSK Ball Screw Track Rollers This bearing part number isW1402FA 3P C5Z8 NSK Ball Screw Ball Return Tube Ball Screw, 14 mm Dia Screw, 8 mm, Right Hand Thread, 200 mm L, 11. 2 mm Dia Root, 1 Starts Metric Overall Height 321 MM Overall Length 50 MM Overall Width 50 MM