• NSK WBK Lock Nuts for Ball Screw Support Bearings (A and S Types)
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NSK WBK Lock Nuts for Ball Screw Support Bearings (A and S Types)

NSK WBK Lock Nuts for Ball Screw Support Bearings (A and S Types)

NSK lock nuts exclusive for ball screw support bearings, machined for minimum face inclination so that bearings are clamped squarely.

Key features

  • A type: hexagonal-style lock nuts M6 to M25
  • S type: round lock nuts M17 to M40 with set screws
  • Low face inclination for accurate bearing clamping
  • Secured by set screw with brass set piece
  • Matched to NSK WBK support units

Specifications

Secured by Set screw with brass set piece
Brand NSK
Product type Lock Nuts & Washers
Listed models 14
Dimension units mm
Source NSK Linear Guides / Ball Screws / Monocarriers catalogue (Precision Machine Components), p. B453-B454
WBK06L-01 Type: A type | Thread: M6x0.75 | Outside D: 14.5 mm | Width B: 5 mm | Tightening torque: 190 N·cm
WBK08L-01 Type: A type | Thread: M8x1 | Outside D: 17 mm | Width B: 6.5 mm | Tightening torque: 230 N·cm
WBK10L-01 Type: A type | Thread: M10x1 | Outside D: 20 mm | Width B: 8 mm | Tightening torque: 280 N·cm
WBK12L-01 Type: A type | Thread: M12x1 | Outside D: 22 mm | Width B: 8 mm | Tightening torque: 630 N·cm
WBK15L-01 Type: A type | Thread: M15x1 | Outside D: 25 mm | Width B: 10 mm | Tightening torque: 790 N·cm
WBK17L-01 Type: A type | Thread: M17x1 | Outside D: 29 mm | Width B: 13 mm | Tightening torque: 910 N·cm
WBK20L-01 Type: A type | Thread: M20x1 | Outside D: 35 mm | Width B: 13 mm | Tightening torque: 1670 N·cm
WBK25L-01 Type: A type | Thread: M25x1.5 | Outside D: 42 mm | Width B: 16 mm | Tightening torque: 2060 N·cm
WBK17L-31 Type: S type | Thread: M17x1 | Outside D: 37 mm | Width B: 18 mm | Tightening torque: 4100 N·cm
WBK20L-31 Type: S type | Thread: M20x1 | Outside D: 40 mm | Width B: 18 mm | Tightening torque: 4500 N·cm
WBK25L-31 Type: S type | Thread: M25x1.5 | Outside D: 45 mm | Width B: 20 mm | Tightening torque: 8500 N·cm
WBK30L-31 Type: S type | Thread: M30x1.5 | Outside D: 50 mm | Width B: 20 mm | Tightening torque: 10100 N·cm
WBK35L-31 Type: S type | Thread: M35x1.5 | Outside D: 55 mm | Width B: 22 mm | Tightening torque: 13800 N·cm
WBK40L-31 Type: S type | Thread: M40x1.5 | Outside D: 60 mm | Width B: 22 mm | Tightening torque: 15500 N·cm
Lock Nuts & WashersNSK
14 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NSK WBK Lock Nuts for Ball Screw Support Bearings (A and S Types)

Brand NSK·Lock Nuts & Washers

Available part numbers (14)

WBK06L-01, WBK08L-01, WBK10L-01, WBK12L-01, WBK15L-01, WBK17L-01, WBK20L-01, WBK25L-01, WBK17L-31, WBK20L-31 + 4 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
WBK06L-01Type: A type | Thread: M6x0.75 | Outside D: 14.5 mm | Width B: 5 mm | Tightening torque: 190 N·cm
WBK08L-01Type: A type | Thread: M8x1 | Outside D: 17 mm | Width B: 6.5 mm | Tightening torque: 230 N·cm
WBK10L-01Type: A type | Thread: M10x1 | Outside D: 20 mm | Width B: 8 mm | Tightening torque: 280 N·cm
WBK12L-01Type: A type | Thread: M12x1 | Outside D: 22 mm | Width B: 8 mm | Tightening torque: 630 N·cm
WBK15L-01Type: A type | Thread: M15x1 | Outside D: 25 mm | Width B: 10 mm | Tightening torque: 790 N·cm
WBK17L-01Type: A type | Thread: M17x1 | Outside D: 29 mm | Width B: 13 mm | Tightening torque: 910 N·cm
WBK20L-01Type: A type | Thread: M20x1 | Outside D: 35 mm | Width B: 13 mm | Tightening torque: 1670 N·cm
WBK25L-01Type: A type | Thread: M25x1.5 | Outside D: 42 mm | Width B: 16 mm | Tightening torque: 2060 N·cm
WBK17L-31Type: S type | Thread: M17x1 | Outside D: 37 mm | Width B: 18 mm | Tightening torque: 4100 N·cm
WBK20L-31Type: S type | Thread: M20x1 | Outside D: 40 mm | Width B: 18 mm | Tightening torque: 4500 N·cm
WBK25L-31Type: S type | Thread: M25x1.5 | Outside D: 45 mm | Width B: 20 mm | Tightening torque: 8500 N·cm
WBK30L-31Type: S type | Thread: M30x1.5 | Outside D: 50 mm | Width B: 20 mm | Tightening torque: 10100 N·cm
WBK35L-31Type: S type | Thread: M35x1.5 | Outside D: 55 mm | Width B: 22 mm | Tightening torque: 13800 N·cm
WBK40L-31Type: S type | Thread: M40x1.5 | Outside D: 60 mm | Width B: 22 mm | Tightening torque: 15500 N·cm

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