Product Features
Quantity
WBK15-11C is an NSK WBK-series ball screw support unit (fixed side, round type, Cleanroom use) with a bearing bore of 15 mm. It houses angular contact ball bearings (special low-dust bearings packed with NSK LG2 low-dust grease; low-temperature chrome-plated housing with stainless small parts, for cleanroom use) 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.
Per the official NSK shaft-end tables (E3162 B27–B30), this unit matches: precision ball screw shaft dia. 20 mm; R-series rolled screw shaft dia. 20 mm.
Other sizes of this type
WBK04-11M, WBK06-11, WBK06-11M, WBK08-11, WBK08-11B, WBK08-11C, WBK10-11, WBK10-11C, WBK12-11, WBK12-11C, WBK15-11, WBK20-11, WBK25-11
Matching items
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.
| Specification | Unit | WBK15-11C |
|---|---|---|
| Series | - | WBK support units (light load / small equipment) |
| Side / shape | - | Fixed side, round |
| Use | - | Cleanroom use |
| Bearings | - | Angular contact ball bearings (special low-dust bearings packed with LG2 grease) |
| Bearing bore d1 | mm | 15 |
| Basic dynamic load rating Ca (axial) | N | 5,100 |
| Load limit | N | 2,757 |
| Stiffness | N/µm | 63 |
| Max. starting torque | N·cm | 1.3 |
| For precision ball screw shaft dia. (std. shaft end) | mm | 20 |
| For R-series rolled screw shaft dia. (std. shaft end) | mm | 20 |
| Surface treatment | - | Low-temperature chrome plating; stainless screws and snap rings |
| Accessories | - | Lock nut, set screw with brass pad and all mounting parts (do not disassemble fixed-side units) |
| Dimension table | - | NSK CAT. No. E3162 B385 (attached PDF) |
Support Units & Accessories・WBK support units (light load / small equipment)
