• WON ST Linear Ball Spline WLSF Series, Round Flange Type
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WON ST Linear Ball Spline WLSF Series, Round Flange Type

WON ST Linear Ball Spline WLSF Series, Round Flange Type

Linear ball spline with a grooved spline shaft and a nut containing retainer, seal and balls in a 4-row angular contact arrangement for high radial and torque load capacity; round flange nut.

Key features

  • Round flange nut for easy installation
  • 4-row, 2-point angular contact design
  • High load ratings in radial and torque directions
  • Torque transmission with high precision; preload for zero rotational clearance
  • Compact, well-balanced nut for high-speed motion and rotation

Specifications

Nut type Round flange nut
Shaft type options S solid / H hollow
Clearance options CL no preload / CM standard / CT light preload
Precision options Normal / H precision / P super
Material options Standard / M stainless (nut and shaft)
WLSF8 Shaft diameter d: 8 mm | Nut outer diameter D: 16 mm | Nut length L1: 25 mm | Flange diameter D1: 32 mm | Bolt PCD: 24 mm | C (dynamic): 1450 N | C0 (static): 2870 N | T (dynamic torque): 2.1 N·m | T0 (static torque): 3.7 N·m | Nut mass: 42 g | Shaft mass: 38 g/100mm
WLSF10 Shaft diameter d: 10 mm | Nut outer diameter D: 21 mm | Nut length L1: 33 mm | Flange diameter D1: 42 mm | Bolt PCD: 32 mm | C (dynamic): 2730 N | C0 (static): 5070 N | T (dynamic torque): 4.4 N·m | T0 (static torque): 8.2 N·m | Nut mass: 94 g | Shaft mass: 60 g/100mm
WLSF13 Shaft diameter d: 13 mm | Nut outer diameter D: 24 mm | Nut length L1: 36 mm | Flange diameter D1: 44 mm | Bolt PCD: 33 mm | C (dynamic): 2670 N | C0 (static): 4890 N | T (dynamic torque): 21 N·m | T0 (static torque): 39.2 N·m | Nut mass: 100 g | Shaft mass: 100 g/100mm
WLSF16 Shaft diameter d: 16 mm | Nut outer diameter D: 31 mm | Nut length L1: 50 mm | Flange diameter D1: 50 mm | Bolt PCD: 40 mm | C (dynamic): 6120 N | C0 (static): 11200 N | T (dynamic torque): 60 N·m | T0 (static torque): 110 N·m | Nut mass: 200 g | Shaft mass: 150 g/100mm
WLSF20 Shaft diameter d: 20 mm | Nut outer diameter D: 35 mm | Nut length L1: 63 mm | Flange diameter D1: 58 mm | Bolt PCD: 45 mm | C (dynamic): 8900 N | C0 (static): 16300 N | T (dynamic torque): 105 N·m | T0 (static torque): 194 N·m | Nut mass: 330 g | Shaft mass: 240 g/100mm
WLSF25 Shaft diameter d: 25 mm | Nut outer diameter D: 42 mm | Nut length L1: 71 mm | Flange diameter D1: 65 mm | Bolt PCD: 52 mm | C (dynamic): 12800 N | C0 (static): 23400 N | T (dynamic torque): 189 N·m | T0 (static torque): 346 N·m | Nut mass: 450 g | Shaft mass: 370 g/100mm
WLSF30 Shaft diameter d: 30 mm | Nut outer diameter D: 47 mm | Nut length L1: 80 mm | Flange diameter D1: 75 mm | Bolt PCD: 60 mm | C (dynamic): 18600 N | C0 (static): 23200 N | T (dynamic torque): 307 N·m | T0 (static torque): 439 N·m | Nut mass: 550 g | Shaft mass: 540 g/100mm
WLSF40 Shaft diameter d: 40 mm | Nut outer diameter D: 64 mm | Nut length L1: 100 mm | Flange diameter D1: 100 mm | Bolt PCD: 82 mm | C (dynamic): 30800 N | C0 (static): 37500 N | T (dynamic torque): 647 N·m | T0 (static torque): 934 N·m | Nut mass: 1410 g | Shaft mass: 960 g/100mm
Ball SplinesWON ST
8 product codes available in this family
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WON ST Linear Ball Spline WLSF Series, Round Flange Type

Brand WON ST·Ball Splines

Available part numbers (8)

WLSF8, WLSF10, WLSF13, WLSF16, WLSF20, WLSF25, WLSF30, WLSF40

How to order

Send the WON ST 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
WLSF8Shaft diameter d: 8 mm | Nut outer diameter D: 16 mm | Nut length L1: 25 mm | Flange diameter D1: 32 mm | Bolt PCD: 24 mm | C (dynamic): 1450 N | C0 (static): 2870 N | T (dynamic torque): 2.1 N·m | T0 (static torque): 3.7 N·m | Nut mass: 42 g | Shaft mass: 38 g/100mm
WLSF10Shaft diameter d: 10 mm | Nut outer diameter D: 21 mm | Nut length L1: 33 mm | Flange diameter D1: 42 mm | Bolt PCD: 32 mm | C (dynamic): 2730 N | C0 (static): 5070 N | T (dynamic torque): 4.4 N·m | T0 (static torque): 8.2 N·m | Nut mass: 94 g | Shaft mass: 60 g/100mm
WLSF13Shaft diameter d: 13 mm | Nut outer diameter D: 24 mm | Nut length L1: 36 mm | Flange diameter D1: 44 mm | Bolt PCD: 33 mm | C (dynamic): 2670 N | C0 (static): 4890 N | T (dynamic torque): 21 N·m | T0 (static torque): 39.2 N·m | Nut mass: 100 g | Shaft mass: 100 g/100mm
WLSF16Shaft diameter d: 16 mm | Nut outer diameter D: 31 mm | Nut length L1: 50 mm | Flange diameter D1: 50 mm | Bolt PCD: 40 mm | C (dynamic): 6120 N | C0 (static): 11200 N | T (dynamic torque): 60 N·m | T0 (static torque): 110 N·m | Nut mass: 200 g | Shaft mass: 150 g/100mm
WLSF20Shaft diameter d: 20 mm | Nut outer diameter D: 35 mm | Nut length L1: 63 mm | Flange diameter D1: 58 mm | Bolt PCD: 45 mm | C (dynamic): 8900 N | C0 (static): 16300 N | T (dynamic torque): 105 N·m | T0 (static torque): 194 N·m | Nut mass: 330 g | Shaft mass: 240 g/100mm
WLSF25Shaft diameter d: 25 mm | Nut outer diameter D: 42 mm | Nut length L1: 71 mm | Flange diameter D1: 65 mm | Bolt PCD: 52 mm | C (dynamic): 12800 N | C0 (static): 23400 N | T (dynamic torque): 189 N·m | T0 (static torque): 346 N·m | Nut mass: 450 g | Shaft mass: 370 g/100mm
WLSF30Shaft diameter d: 30 mm | Nut outer diameter D: 47 mm | Nut length L1: 80 mm | Flange diameter D1: 75 mm | Bolt PCD: 60 mm | C (dynamic): 18600 N | C0 (static): 23200 N | T (dynamic torque): 307 N·m | T0 (static torque): 439 N·m | Nut mass: 550 g | Shaft mass: 540 g/100mm
WLSF40Shaft diameter d: 40 mm | Nut outer diameter D: 64 mm | Nut length L1: 100 mm | Flange diameter D1: 100 mm | Bolt PCD: 82 mm | C (dynamic): 30800 N | C0 (static): 37500 N | T (dynamic torque): 647 N·m | T0 (static torque): 934 N·m | Nut mass: 1410 g | Shaft mass: 960 g/100mm

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