RB

Basic Type
Separable Outer Ring
(Outer Dia. 36 - 600 mm)
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Cross-Roller Ring basic type, with a separable outer ring, and an inner ring integrated with the main body. It is used in locations where the rotational accuracy of the inner ring is required.
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Inner Diameter Range (mm)
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Inner Diameter (mm)
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Outer Diameter Range (mm)
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Outer Diameter (mm)
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Dust Protection Seal
Radial Clearance
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  • 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
    RB2008203627820.80.523.530.53.233.10.04
    RB2508254132820.80.528.535.53.633.830.05
    RB3010305541.5102.510.637477.358.360.12
    RB3510356046.5102.510.64151.57.649.120.13
    RB4010406551.5102.510.646.557.58.3310.60.16
    RB4510457056.5102.510.65161.58.6211.30.17
    RB6013609074132.51.60.667821824.30.3
    RB70137010084132.51.60.6779219.427.70.35
    RB801680120981631.60.68811030.142.10.7
    RB9016901301081631.619811831.445.30.75
    RB10016100140119.3163.51.6110912931.748.60.83
    RB10020150123203.51.6111313333.150.91.45
    RB11012110135121.8122.510.611712812.524.10.4
    RB11015145126.5153.51.60.611913623.741.50.75
    RB11020160133203.51.6112014334541.56
    RB12016120150134.2163.51.60.612714124.243.20.72
    RB12025180148.7253.521.513316466.91002.62
    RB13015130160144.5153.51.60.61371522546.70.72
    RB13025190158253.521.514317469.51072.82
    RB14016140175154.8162.51.6114716225.950.11
    RB14025200168253.521.515418574.81212.96
    RB15013150180164132.51.60.61571722753.50.68
    RB15025210178253.521.516419476.81283.16
    RB15030230188304.531.51692111001565.3
    RB16025160220188.6253.521.517320481.71353.14
    RB17020170220191203.51.61.51841982962.12.21
    RB18025180240210253.521.5195225841433.44
    RB19025190240211.9253.51.612022220.782.92.99
    RB20025200260230253.52221524584.21574
    RB20030280240304.5322212581142006.7
    RB20035295247.7355322252701512529.6
    RB22025220280250.1253.52223526592.31714.1
    RB24025240300269253.522.525628168.31454.5
    RB25025250310277.5253.522.526529069.31505
    RB25030330287.5304.532.52693061262448.1
    RB25040355300.74063.52.527532619534814.8
    RB30025300360328253.522.531534076.31785.9
    RB3003539534535532.532236818336713.4
    RB30040405351.64063.52.532637721240917.2
    RB35020350400373.4203.51.62.536338354.11433.9
    RB40035400480440.335532.542245915637014.5
    RB40040510453.44063.52.542847924153123.5
    RB45025450500474253.51.6146448461.71826.6
    RB50025500550524.2253.51.6151453465.52017.3
    RB50040600548.840632.552657223960726
    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
    RB 120 25 UU CC0
    RB 20~500 16~40 UU C0 : Positive Clearance
      CC0 : Preload


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

    Note 2: Radial Clearance

    Units: µm
    Pitch circle diameter of the roller (dp) (mm)CC0C0
    AboveOr lessMin.Max.Min.Max.
    1830–80015
    3050–80025
    5080–100030
    80120–100040
    120140–100040
    140160–100040
    160180–100050
    180200–100050
    200225–100060
    225250–100060
    250280–150080
    280315–15030100
    315355–15030110
    355400–15030120
    400450–20030130
    450500–20030130
    500560–20030150


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