Product Features
- NSK WBK SF-type support unit - simple support side exclusively for FSS / VFA transfer ball screws, shaft dia. 20 mm
- Deep groove ball bearing; NSK factory standard item
- Quote together with your FSS screw and fixed-side unit
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Product Overview
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Support Units & Accessories/Ball Screw
WBK20SF-01B
Product Description
WBK20SF-01B is an NSK WBK SF-type support unit (simple support side, square) - the dedicated simple-support unit for FSS / VFA transfer ball screws, for shaft diameter 20 mm, with a deep groove ball bearing. This is a low-profile variant matching the NSK Compact FA FSS series (per CAT. No. E3239b). See the attached E3162 B387 dimension table for dimensions and bearing details.
Other sizes of this type
WBK12SF-01, WBK12SF-01B, WBK15SF-01, WBK15SF-01B, WBK25SF-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.
Product Specifications
| Specification | Unit | WBK20SF-01B |
|---|---|---|
| Series | - | WBK support units (SF type for transfer equipment) |
| Side / shape | - | Simple support side, square |
| Use | - | Exclusively for FSS / VFA transfer ball screws, low-profile (for Compact FA) |
| Bearings | - | Deep groove ball bearing |
| For screw shaft dia. | mm | 20 |
| Dimension table | - | NSK CAT. No. E3162 B387 (attached PDF) |
Related Files
- NSK E3162 支撐座章節（B377–B390）Download
FAQ
How do I choose between precision grades C3, C5 and C7?
For measurement and machining equipment that need high positioning accuracy, choose the ground-finish C3/C5 grades; for general material handling and automation mechanisms, the rolled-finish C7 grade is sufficient and offers a cost and lead-time advantage.
Can the shaft ends be custom-machined?
Yes. Nahshon offers custom shaft-end machining for NSK ball screws, completing shaft-end turning and heat treatment to your drawings, saving you the in-house machining step.
How do I confirm pricing and lead time for WBK20SF-01B?
Nahshon is the NSK distributor in Taiwan. Add WBK20SF-01B to your inquiry list along with your stroke, load and operating conditions, and we'll confirm the specification, quote and lead time.
Series Models
Support Units & Accessories・WBK support units (SF type for transfer equipment)
WBK17DF-31HWBK17L-01WBK17L-31HWBK17S-01WBK20-01WBK20-11WBK20DF-31HWBK20L-01WBK20L-31HWBK20S-01WBK20SF-01B（This page）WBK25-01WWBK25-11WBK25DF-31HWBK25DFD-31HWBK25L-01WBK25L-31HWBK25S-01WWBK25SF-01WBK30DF-31HWBK30DFD-31H
View All Support Units & Accessories Models →