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Self-aligning Ball Bearings
Bearings for Ball Screw Supports
Cylindrical Roller Bearing For Pulley
Stainless Steel Bearings
other bearings

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Product Parameters

  • Bearing code
    Open type R1-4
    Dust cover type R1-4ZZ
  • Overall dimension (mm)
    d 1.984
    D 6.350
    B 2.380
    B1 3.571
    r(min) 0.1
  • Limit speed (RPM)
    grease 67000
    Oil lubrication 80000
  • Rated load
    Cr(N) 310
    Cor(N) 108
    Cr(kgf) 32
    Cor(kgf) 11
  • Installation dimension (mm)
    da(min) 2.8
    db(max) 3.9
    Da(max) 5.5
    Db(min) 5.9
    ra(max) 0.1
  • Mass(g)
    Open type 0.35
    Dust cover type 0.50

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