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

Metric series single column

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Product Parameters

  • Bearing code 30304
  • External dimensions (mm)
    d 20
    D 52
    T 16.25
    B 15
    C 13
    R (min) inner circle 1.5
    R (min) outer ring 1.5
  • Extreme speed (rpm)
    grease 8000
    Oil lubrication 10700
  • Cr(N) 35000
  • Cor(N) 35500
  • Installation size (mm)
    da(min) 27
    db(max) 27
    Da(min) 43
    Db(min) 47
    S1(min) 2
    S2(min) 5
    Ra (max) inner ring 1.5
    Ra (max) outer ring 1.5
  • a 4.7
  • Reference weight (kg) 0.17

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