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NTN 30228U Bearing

d - 140 mm

D - 250 mm

T - 45.75 mm

B - 42 mm

C - 36 mm

ra1 max. - 2.5 mm

a - 48.5 mm

r min. - 4 mm

r1 min. - 3 mm

da min. - 158 mm

Da min - 219 mm

Da max. - 236 mm

db max. - 163 mm

Db min. - 237 mm

ra max. - 3 mm

Sa - 7 mm

Sb - 9.5 mm

Weight - 9.26 Kg

Basic dynamic load rating (C) - 420 kN

Basic static load rating (C0) - 570 kN

(Grease) Lubrication Speed - 1 400 r/min

(Oil) Lubrication Speed - 1 900 r/min

Calculation factor (e) - 0.44

Calculation factor (Y0) - 0.76

Calculation factor (Y2) - 1.38

  • #number
  • ID(内径)
  • OD(外径)
  • B(厚度)