RA

Thin Type
Separable Outer Ring
(Outer Dia. 80 - 226 mm)
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  • Roller
A compact type similar to model RB with the thinner inner and outer rings. Optimal for locations requiring a light-weight and compact design.
View specifications and model number coding
Inner Diameter Range (mm)
Inner Diameter (mm)
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Outer Diameter Range (mm)
Outer Diameter (mm)
See more
Dust Protection Seal
Radial Clearance
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  • Shaft diameter Model No. Main dimensions Shoulder height Basic load rating Mass
    Inner diameter
    d
    Outer diameter
    D
    Roller pitch circle diameter
    dp
    Width
    B B1
    Greasing hole
    rmin
    ds
    (max)
    Dh
    (min)
    Radial
    a b Dynamic
    rating
    C
    Static
    rating
    C0
    mm mm mm mm mm mm mm mm mm kN kN kg
    80RA8008809687820.80.583.590.56.3711.30.11
    90RA90089010697820.80.593.5100.56.7612.40.12
    100RA10008100116107820.80.5103.5110.57.1513.90.14
    140RA14008140156147820.80.5143.5150.58.3319.10.19
    180RA18013180206192132.51.60.818519924.549.80.68
    200RA20013200226212132.51.60.820521925.854.70.71
    For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
  • Model Nominal shaft diameter (mm) Width of ring (mm) Seals*1 Radial clearance*2
    RA 140 08 UU C0
    RA 80 08 UU C0 : Positive Clearance
      90 13   CC0 : Preload
      100
      140
      180
      200


    Note 1: Contamination protection seal UU is standard for Model RA

    Note 2: Radial Clearance

    Units: µm
    Pitch circle diameter of the roller (dp) (mm)CC0C0
    AboveOr lessMin.Max.Min.Max.
    5080–80015
    80120–80015
    120140–80015
    140160–80015
    160180–100020
    180200 –100020
    200225 –100020


    The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at tossales@thk.com