• KOYO Thrust Races for Needle Roller Thrust Bearings (W, WS)
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KOYO Thrust Races for Needle Roller Thrust Bearings (W, WS)

KOYO Thrust Races for Needle Roller Thrust Bearings (W, WS)

Thin pressed (W) and thick machined (WS) thrust races used as raceways for KOYO needle roller and cage thrust assemblies.

Key features

  • W: thin pressed steel race
  • WS: thick machined race for higher rigidity
  • Hardened and ground raceway faces
  • Matched to TP / TV thrust assemblies

Specifications

Product type Thrust race (washer)
Types W (pressed), WS (machined)
Use with TP / TV needle thrust assemblies
Source KOYO Ball & Roller Bearings catalogue (Bearing specification tables), p. B440-B449
W1024F Race: Thin pressed | d1: 10 mm | D1: 24 mm | Thickness: 1.0 mm
WS1024F Race: Thick machined | d1: 10 mm | D1: 24 mm | Thickness: 2 mm
W1226F Race: Thin pressed | d1: 12 mm | D1: 26 mm | Thickness: 1.0 mm
WS1226F Race: Thick machined | d1: 12 mm | D1: 26 mm | Thickness: 2 mm
WS1226BF Race: Thick machined | d1: 12 mm | D1: 26 mm | Thickness: 2 mm
W1427F Race: Thin pressed | d1: 14 mm | D1: 27 mm | Thickness: 1 mm
WS1427F Race: Thick machined | d1: 14 mm | D1: 27 mm | Thickness: 2.75 mm
W1532F Race: Thin pressed | d1: 15 mm | D1: 32 mm | Thickness: 1.0 mm
W1528F Race: Thin pressed | d1: 15 mm | D1: 28 mm | Thickness: 1.0 mm
WS1528F Race: Thick machined | d1: 15 mm | D1: 28 mm | Thickness: 2 mm
W1629AF Race: Thin pressed | d1: 16 mm | D1: 29 mm | Thickness: 1.5 mm
WS1629F Race: Thick machined | d1: 16 mm | D1: 29 mm | Thickness: 2.75 mm
W1730F Race: Thin pressed | d1: 17 mm | D1: 30 mm | Thickness: 0.8 mm
WS1730F Race: Thick machined | d1: 17 mm | D1: 30 mm | Thickness: 2.75 mm
WS1740F Race: Thick machined | d1: 17 mm | D1: 40 mm | Thickness: 3 mm
WS1734-2F Race: Thick machined | d1: 17 mm | D1: 34 mm
W1831F Race: Thin pressed | d1: 18 mm | D1: 31 mm | Thickness: 1.0 mm
WS1831F Race: Thick machined | d1: 18 mm | D1: 31 mm | Thickness: 2 mm
W2035F Race: Thin pressed | d1: 20 mm | D1: 35 mm | Thickness: 1 mm
WS2035F Race: Thick machined | d1: 20 mm | D1: 35 mm | Thickness: 2.75 mm
W2237F Race: Thin pressed | d1: 22 mm | D1: 37 mm | Thickness: 1 mm
WS2237F Race: Thick machined | d1: 22 mm | D1: 37 mm | Thickness: 2.75 mm
W2542F Race: Thin pressed | d1: 25 mm | D1: 42 mm | Thickness: 1.0 mm
WS2542KF Race: Thick machined | d1: 25 mm | D1: 42 mm | Thickness: 3 mm
W2845F Race: Thin pressed | d1: 28 mm | D1: 45 mm | Thickness: 0.8 mm
WS2845F Race: Thick machined | d1: 28 mm | D1: 45 mm | Thickness: 3 mm
W2946AF Race: Thin pressed | d1: 28.5 mm | Thickness: 0.8 mm
W3047F Race: Thin pressed | d1: 30 mm | D1: 47 mm | Thickness: 1.0 mm
WS3047F Race: Thick machined | d1: 30 mm | D1: 47 mm | Thickness: 2 mm
W3249F Race: Thin pressed | d1: 32 mm | D1: 49 mm | Thickness: 1 mm
WS3249F Race: Thick machined | d1: 32 mm | D1: 49 mm | Thickness: 3 mm
W3552F Race: Thin pressed | D1: 52 mm | Thickness: 1.0 mm
WS3552AF Race: Thick machined | D1: 52 mm | Thickness: 3 mm
W3558F Race: Thin pressed | D1: 58.2 mm | Thickness: 0.8 mm
W3855F Race: Thin pressed
WS3855F Race: Thick machined | Thickness: 3.0 mm
W4060F Race: Thin pressed | d1: 40 mm | D1: 60 mm | Thickness: 1.0 mm
WS4060F Race: Thick machined | d1: 40 mm | D1: 60 mm | Thickness: 2 mm
W4562F Race: Thin pressed | d1: 45.24 mm | D1: 62.2 mm
WS4562AF Race: Thick machined | d1: 45.24 mm | D1: 62.2 mm | Thickness: 2 mm
W4556F Race: Thin pressed | d1: 45 mm | D1: 56 mm | Thickness: 1.0 mm
WS4556F Race: Thick machined | d1: 45 mm | D1: 56 mm | Thickness: 2 mm
W4565AF Race: Thin pressed | d1: 45 mm | D1: 65 mm | Thickness: 1.5 mm
WS4565F Race: Thick machined | d1: 45 mm | D1: 65 mm | Thickness: 2 mm
W4971AF Race: Thin pressed | d1: 49.1 mm | D1: 71 mm
WS4971F-1 Race: Thick machined | d1: 49.1 mm | D1: 71 mm | Thickness: 1.84 mm
W5070F Race: Thin pressed | d1: 50 mm | D1: 70 mm | Thickness: 1.0 mm
WS5070F Race: Thick machined | d1: 50 mm | D1: 70 mm | Thickness: 2 mm
W5578F Race: Thin pressed | d1: 55 mm | D1: 78 mm | Thickness: 1 mm
WS5578F Race: Thick machined | d1: 55 mm | D1: 78 mm | Thickness: 4 mm
W6085F Race: Thin pressed | d1: 60 mm | D1: 85 mm | Thickness: 1 mm
WS6085F Race: Thick machined | d1: 60 mm | D1: 85 mm | Thickness: 5 mm
W6590F Race: Thin pressed | d1: 65 mm | D1: 90 mm | Thickness: 1 mm
WS6590F Race: Thick machined | d1: 65 mm | D1: 90 mm | Thickness: 5 mm
W7095F Race: Thin pressed | d1: 70 mm | D1: 95 mm | Thickness: 1 mm
WS7095F Race: Thick machined | d1: 70 mm | D1: 95 mm | Thickness: 3 mm
W75100F Race: Thin pressed | d1: 75 mm | D1: 100 mm | Thickness: 2 mm
WS75100F Race: Thick machined | d1: 75 mm | D1: 100 mm | Thickness: 5 mm
W80105F Race: Thin pressed | d1: 80 mm | D1: 105 mm | Thickness: 1 mm
WS80105F Race: Thick machined | d1: 80 mm | D1: 105 mm | Thickness: 6 mm
W85110F Race: Thin pressed | d1: 85 mm | D1: 110 mm | Thickness: 1 mm
WS85110F Race: Thick machined | d1: 85 mm | D1: 110 mm | Thickness: 6 mm
W90120F Race: Thin pressed | d1: 90 mm | D1: 120 mm | Thickness: 1 mm
WS90120F Race: Thick machined | d1: 90 mm | D1: 120 mm | Thickness: 6 mm
W100135F WS100135F Race: Thick machined | d1: 100 mm | D1: 135 mm | Thickness: 6 mm
Thrust BearingsKOYO
65 product codes available in this family
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KOYO Thrust Races for Needle Roller Thrust Bearings (W, WS)

Brand KOYO·Thrust Bearings

Available part numbers (65)

W1024F, WS1024F, W1226F, WS1226F, WS1226BF, W1427F, WS1427F, W1532F, W1528F, WS1528F + 55 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
W1024FRace: Thin pressed | d1: 10 mm | D1: 24 mm | Thickness: 1.0 mm
WS1024FRace: Thick machined | d1: 10 mm | D1: 24 mm | Thickness: 2 mm
W1226FRace: Thin pressed | d1: 12 mm | D1: 26 mm | Thickness: 1.0 mm
WS1226FRace: Thick machined | d1: 12 mm | D1: 26 mm | Thickness: 2 mm
WS1226BFRace: Thick machined | d1: 12 mm | D1: 26 mm | Thickness: 2 mm
W1427FRace: Thin pressed | d1: 14 mm | D1: 27 mm | Thickness: 1 mm
WS1427FRace: Thick machined | d1: 14 mm | D1: 27 mm | Thickness: 2.75 mm
W1532FRace: Thin pressed | d1: 15 mm | D1: 32 mm | Thickness: 1.0 mm
W1528FRace: Thin pressed | d1: 15 mm | D1: 28 mm | Thickness: 1.0 mm
WS1528FRace: Thick machined | d1: 15 mm | D1: 28 mm | Thickness: 2 mm
W1629AFRace: Thin pressed | d1: 16 mm | D1: 29 mm | Thickness: 1.5 mm
WS1629FRace: Thick machined | d1: 16 mm | D1: 29 mm | Thickness: 2.75 mm
W1730FRace: Thin pressed | d1: 17 mm | D1: 30 mm | Thickness: 0.8 mm
WS1730FRace: Thick machined | d1: 17 mm | D1: 30 mm | Thickness: 2.75 mm
WS1740FRace: Thick machined | d1: 17 mm | D1: 40 mm | Thickness: 3 mm
WS1734-2FRace: Thick machined | d1: 17 mm | D1: 34 mm
W1831FRace: Thin pressed | d1: 18 mm | D1: 31 mm | Thickness: 1.0 mm
WS1831FRace: Thick machined | d1: 18 mm | D1: 31 mm | Thickness: 2 mm
W2035FRace: Thin pressed | d1: 20 mm | D1: 35 mm | Thickness: 1 mm
WS2035FRace: Thick machined | d1: 20 mm | D1: 35 mm | Thickness: 2.75 mm
W2237FRace: Thin pressed | d1: 22 mm | D1: 37 mm | Thickness: 1 mm
WS2237FRace: Thick machined | d1: 22 mm | D1: 37 mm | Thickness: 2.75 mm
W2542FRace: Thin pressed | d1: 25 mm | D1: 42 mm | Thickness: 1.0 mm
WS2542KFRace: Thick machined | d1: 25 mm | D1: 42 mm | Thickness: 3 mm
W2845FRace: Thin pressed | d1: 28 mm | D1: 45 mm | Thickness: 0.8 mm
WS2845FRace: Thick machined | d1: 28 mm | D1: 45 mm | Thickness: 3 mm
W2946AFRace: Thin pressed | d1: 28.5 mm | Thickness: 0.8 mm
W3047FRace: Thin pressed | d1: 30 mm | D1: 47 mm | Thickness: 1.0 mm
WS3047FRace: Thick machined | d1: 30 mm | D1: 47 mm | Thickness: 2 mm
W3249FRace: Thin pressed | d1: 32 mm | D1: 49 mm | Thickness: 1 mm
WS3249FRace: Thick machined | d1: 32 mm | D1: 49 mm | Thickness: 3 mm
W3552FRace: Thin pressed | D1: 52 mm | Thickness: 1.0 mm
WS3552AFRace: Thick machined | D1: 52 mm | Thickness: 3 mm
W3558FRace: Thin pressed | D1: 58.2 mm | Thickness: 0.8 mm
W3855FRace: Thin pressed
WS3855FRace: Thick machined | Thickness: 3.0 mm
W4060FRace: Thin pressed | d1: 40 mm | D1: 60 mm | Thickness: 1.0 mm
WS4060FRace: Thick machined | d1: 40 mm | D1: 60 mm | Thickness: 2 mm
W4562FRace: Thin pressed | d1: 45.24 mm | D1: 62.2 mm
WS4562AFRace: Thick machined | d1: 45.24 mm | D1: 62.2 mm | Thickness: 2 mm
W4556FRace: Thin pressed | d1: 45 mm | D1: 56 mm | Thickness: 1.0 mm
WS4556FRace: Thick machined | d1: 45 mm | D1: 56 mm | Thickness: 2 mm
W4565AFRace: Thin pressed | d1: 45 mm | D1: 65 mm | Thickness: 1.5 mm
WS4565FRace: Thick machined | d1: 45 mm | D1: 65 mm | Thickness: 2 mm
W4971AFRace: Thin pressed | d1: 49.1 mm | D1: 71 mm
WS4971F-1Race: Thick machined | d1: 49.1 mm | D1: 71 mm | Thickness: 1.84 mm
W5070FRace: Thin pressed | d1: 50 mm | D1: 70 mm | Thickness: 1.0 mm
WS5070FRace: Thick machined | d1: 50 mm | D1: 70 mm | Thickness: 2 mm
W5578FRace: Thin pressed | d1: 55 mm | D1: 78 mm | Thickness: 1 mm
WS5578FRace: Thick machined | d1: 55 mm | D1: 78 mm | Thickness: 4 mm
W6085FRace: Thin pressed | d1: 60 mm | D1: 85 mm | Thickness: 1 mm
WS6085FRace: Thick machined | d1: 60 mm | D1: 85 mm | Thickness: 5 mm
W6590FRace: Thin pressed | d1: 65 mm | D1: 90 mm | Thickness: 1 mm
WS6590FRace: Thick machined | d1: 65 mm | D1: 90 mm | Thickness: 5 mm
W7095FRace: Thin pressed | d1: 70 mm | D1: 95 mm | Thickness: 1 mm
WS7095FRace: Thick machined | d1: 70 mm | D1: 95 mm | Thickness: 3 mm
W75100FRace: Thin pressed | d1: 75 mm | D1: 100 mm | Thickness: 2 mm
WS75100FRace: Thick machined | d1: 75 mm | D1: 100 mm | Thickness: 5 mm
W80105FRace: Thin pressed | d1: 80 mm | D1: 105 mm | Thickness: 1 mm
WS80105FRace: Thick machined | d1: 80 mm | D1: 105 mm | Thickness: 6 mm
W85110FRace: Thin pressed | d1: 85 mm | D1: 110 mm | Thickness: 1 mm
WS85110FRace: Thick machined | d1: 85 mm | D1: 110 mm | Thickness: 6 mm
W90120FRace: Thin pressed | d1: 90 mm | D1: 120 mm | Thickness: 1 mm
WS90120FRace: Thick machined | d1: 90 mm | D1: 120 mm | Thickness: 6 mm
W100135F WS100135FRace: Thick machined | d1: 100 mm | D1: 135 mm | Thickness: 6 mm

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