6211DUC3 - NSK Deep Groove Radial Ball Bearings - 55x100x21mm R405 Hoffmann Bearing This SE508-607VU bearing is a

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LWLC20 C1 R180 T1 H S2 Non-Maintenance Free Short Stainless Steel Miniature Linear Way unit One Carriage 180mm - Rail length Light Preload High Accuracy Class S2 Specification

6211DUC3 - NSK Deep Groove Radial Ball Bearings - 55x100x21mm R405 Hoffmann Bearing This SE508-607VU bearing is a62 11 du c3 Metric, Light 55mm Bore Size Single Rubber Seal on One Side Steel Cage Internal Clearance Greater Than Normal