WBK08-11B is an NSK WBK-series ball screw support unit (fixed side, round type, High-load (for Compact FA)) with a bearing bore of 8 mm. It houses angular contact ball bearings (properly preloaded and grease packed) and ships complete with lock nut, set screw and brass pad, matching the finished shaft ends of NSK standard ball screws. All WBK support units are standard stocked items per the official NSK catalog.
This is a low-profile / high-load variant matching NSK Compact FA compact ball screws (per CAT. No. E3239b).
Per the official NSK shaft-end tables (E3162 B27–B30), this unit matches: precision ball screw shaft dia. 8、10 mm; R-series rolled screw shaft dia. 12 mm.
Other sizes of this type
WBK04-11M, WBK06-11, WBK06-11M, WBK08-11, WBK08-11C, WBK10-11, WBK10-11C, WBK12-11, WBK12-11C, WBK15-11, WBK15-11C, WBK20-11, WBK25-11
Matching items
WBK08S-01, WBK08L-01
Complete-Set Selection
We recommend quoting support units and lock nuts together with your ball screw: include the screw part number (or shaft diameter) in your inquiry and Nahshon will match fixed- and support-side units and lock nuts per the official NSK shaft-end tables (E3162 B27–B30) — one quotation, one complete delivery.