The most typical type of radial ball bearings can support axial loads in both directions in addition to radial loads. Some types have a flange or retaining ring on the outer ring to facilitate axial positioning when mounting the housing.

  • NMB Parts No. DDRI-518ZZ
    Metric or Inch Inch
    ISO/JIS -
    Material of Rings Stainless Steel
    Ring Type [Radial] basic type
    Inner Diameter(d)
    [mm]
    3.175
    Inner Diameter(d)Tolerance
    [mm]
    Compliant with JIS standards
    Outer Diameter(D)
    [mm]
    7.938
    Outer Diameter(D)Tolerance
    [mm]
    Compliant with JIS standards
    Width(B)
    [mm]
    3.571
    Width(B)Tolerance
    [mm]
    Compliant with JIS standards
    Chamfer(rs min)
    [mm]
    0.080
    Reference Diameter Outer(Lo)
    [mm]
    7.190
    Reference Diameter Inner(Li)
    [mm]
    4.400
    Ball Size(DW)
    [mm]
    1.5875
    Ball Complement(Z) 6
    Dynamic Load Rating(Cr)
    [N]
    563
    Static Load Rating(Cor)
    [N]
    183
    Inner Diameter(d)
    [in]
    0.1250
    Outer Diameter(D)
    [in]
    0.3125

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