• NSK WBK Ball Screw Support Units for Light Load and Small Equipment
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NSK WBK Ball Screw Support Units for Light Load and Small Equipment

NSK WBK Ball Screw Support Units for Light Load and Small Equipment

NSK WBK support units provide fixed-side and simple-side bearing support for ball screws in small equipment, supplied as complete units with bearings, lock nut and seals.

Key features

  • Fixed side units in square and round housing shapes
  • Simple (free) side units with deep groove ball bearing and snap ring
  • General, low-profile (B) and clean-environment (C, LG2 grease) versions
  • Support kits for RMA/RMS transfer ball screws and simple units for VFA
  • Spacers (K) for R series transfer ball screw shafts

Specifications

Fixed side bearing Angular contact ball bearings (DF)
Clean version grease NSK clean grease LG2
Journal sizes 4 to 25 mm
Brand NSK
Product type Bearing Housings
Source NSK Linear Guides / Ball Screws / Monocarriers catalogue (Precision Machine Components), p. B433-B448
WBK06-01A Type: Fixed, square | Journal d1: 6 mm | Use: General | Ca: 2.67 kN | Axial load limit: 1.04 kN | Mass: 0.15 kg
WBK17-01A Type: Fixed, square | Journal d1: 17 mm | Use: General | Ca: 13.4 kN | Axial load limit: 5.8 kN | Mass: 1.3 kg
WBK25-01 Type: Fixed, square | Journal d1: 25 mm | Use: General | Ca: 20.2 kN | Axial load limit: 10 kN | Mass: 1.9 kg
WBK06-11 Type: Fixed, round | Journal d1: 6 mm | Use: General | Ca: 2.67 kN | Axial load limit: 1.04 kN | Mass: 0.1 kg
WBK25-11 Type: Fixed, round | Journal d1: 25 mm | Use: General | Ca: 20.2 kN | Axial load limit: 10 kN | Mass: 1.5 kg
WBK17S-01 Type: Simple, square | Journal d1: 17 mm | Use: General | Bearing: 6203ZZ | C: 9.55 kN | Mass: 0.8 kg
WBK25S-01 Type: Simple, square | Journal d1: 25 mm | Use: General | Bearing: 6205ZZ | C: 14 kN | Mass: 0.9 kg
WBK04R-11 Type: Support kit, fixed | Journal d1: 4 mm | Use: RMA0601 | Ca: 0.615 kN | Axial load limit: 0.49 kN
WBK06R-11 Type: Support kit, fixed | Journal d1: 6 mm | Use: RMA0801/0801.5/0802 | Ca: 1.28 kN | Axial load limit: 0.93 kN
WBK12SF-01 Type: Simple, for VFA | Journal d: 12 mm | Use: VFA1210
WBK15SF-01 Type: Simple, for VFA | Journal d: 15 mm | Use: VFA1510, VFA1520
WBK06K Type: Spacer | Bore d: 6 mm | OD D: 9.5 mm | Width B: 5 mm | For: WBK06-** units
WBK08K Type: Spacer | Bore d: 8 mm | OD D: 11.5 mm | Width B: 5.5 mm | For: WBK08-** units
WBK10K Type: Spacer | Bore d: 10 mm | OD D: 14.5 mm | Width B: 5.5 mm | For: WBK10-** units
WBK12K Type: Spacer | Bore d: 12 mm | OD D: 15 mm | Width B: 5.6 mm | For: WBK12-** units
WBK15K Type: Spacer | Bore d: 15 mm | OD D: 19.5 mm | Width B: 10 mm | For: WBK15-** units
WBK17K Type: Spacer | Bore d: 17 mm | OD D: 24.4 mm | Width B: 7 mm | For: WBK17-** units
WBK20K Type: Spacer | Bore d: 20 mm | OD D: 25.5 mm | Width B: 11 mm | For: WBK20-** units
WBK25K Type: Spacer | Bore d: 25 mm | OD D: 32 mm | Width B: 14 mm | For: WBK25-** units
Bearing HousingsNSK
19 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NSK WBK Ball Screw Support Units for Light Load and Small Equipment

Brand NSK·Bearing Housings

Available part numbers (19)

WBK06-01A, WBK17-01A, WBK25-01, WBK06-11, WBK25-11, WBK17S-01, WBK25S-01, WBK04R-11, WBK06R-11, WBK12SF-01 + 9 more — see full table ↓

How to order

Send the NSK part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
WBK06-01AType: Fixed, square | Journal d1: 6 mm | Use: General | Ca: 2.67 kN | Axial load limit: 1.04 kN | Mass: 0.15 kg
WBK17-01AType: Fixed, square | Journal d1: 17 mm | Use: General | Ca: 13.4 kN | Axial load limit: 5.8 kN | Mass: 1.3 kg
WBK25-01Type: Fixed, square | Journal d1: 25 mm | Use: General | Ca: 20.2 kN | Axial load limit: 10 kN | Mass: 1.9 kg
WBK06-11Type: Fixed, round | Journal d1: 6 mm | Use: General | Ca: 2.67 kN | Axial load limit: 1.04 kN | Mass: 0.1 kg
WBK25-11Type: Fixed, round | Journal d1: 25 mm | Use: General | Ca: 20.2 kN | Axial load limit: 10 kN | Mass: 1.5 kg
WBK17S-01Type: Simple, square | Journal d1: 17 mm | Use: General | Bearing: 6203ZZ | C: 9.55 kN | Mass: 0.8 kg
WBK25S-01Type: Simple, square | Journal d1: 25 mm | Use: General | Bearing: 6205ZZ | C: 14 kN | Mass: 0.9 kg
WBK04R-11Type: Support kit, fixed | Journal d1: 4 mm | Use: RMA0601 | Ca: 0.615 kN | Axial load limit: 0.49 kN
WBK06R-11Type: Support kit, fixed | Journal d1: 6 mm | Use: RMA0801/0801.5/0802 | Ca: 1.28 kN | Axial load limit: 0.93 kN
WBK12SF-01Type: Simple, for VFA | Journal d: 12 mm | Use: VFA1210
WBK15SF-01Type: Simple, for VFA | Journal d: 15 mm | Use: VFA1510, VFA1520
WBK06KType: Spacer | Bore d: 6 mm | OD D: 9.5 mm | Width B: 5 mm | For: WBK06-** units
WBK08KType: Spacer | Bore d: 8 mm | OD D: 11.5 mm | Width B: 5.5 mm | For: WBK08-** units
WBK10KType: Spacer | Bore d: 10 mm | OD D: 14.5 mm | Width B: 5.5 mm | For: WBK10-** units
WBK12KType: Spacer | Bore d: 12 mm | OD D: 15 mm | Width B: 5.6 mm | For: WBK12-** units
WBK15KType: Spacer | Bore d: 15 mm | OD D: 19.5 mm | Width B: 10 mm | For: WBK15-** units
WBK17KType: Spacer | Bore d: 17 mm | OD D: 24.4 mm | Width B: 7 mm | For: WBK17-** units
WBK20KType: Spacer | Bore d: 20 mm | OD D: 25.5 mm | Width B: 11 mm | For: WBK20-** units
WBK25KType: Spacer | Bore d: 25 mm | OD D: 32 mm | Width B: 14 mm | For: WBK25-** units

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