• Bearing code
    Open type -
    Dust cover type MR85ZZ
    Sealed 2RZ MR85-2RZ
    Sealed 2RS MR85-2RS
  • External dimensions
    d 5
    D 8
    B -
    B1 2.5
    R(1)(minimum) -
    R1(1)(minimum) 0.1
  • Rated load (N)
    Cr 278
    Cor 131
  • Rated load {kgf}
    Cr 28
    Cor 13
  • Extreme speed (rpm)
    Lubricate ZZ with grease ZRZ. ZRS 53000
    D·D -
    Oil lubrication Z 63000
  • Installation size (mm)
    Da(minimum) -
    Db(maximum) 5.8
    Da (maximum) -
    Db(minimum) 7.4
    Ra(maximum) -
    Rb(maximum) 0.1
  • Weight (g) (reference)
    Open type -
    Dust cover type 0.34