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SKF 7228 BM Bearing

d - 140 mm

D - 250 mm

B - 42 mm

d1 - - 183.3 mm

d2 - - 163.6 mm

D1 - - 209.55 mm

a - 103 mm

r1.2 - min. - 3 mm

r3.4 - min. - 1.1 mm

da - min. - 154 mm

Da - max. - 236 mm

Db - max. - 243 mm

ra - max. - 2.5 mm

rb - max. - 1 mm

Basic dynamic load rating - C - 199 kN

Basic static load rating - C0 - 212 kN

Fatigue load limit - Pu - 6.4 kN

Reference speed - 3000 r/min

Limiting speed - 3000 r/min

Calculation factor - kr - 0.08

Calculation factor - ka - 1.2

Calculation factor - e - 1.14

Calculation factor - X - 0.57

Calculation factor - Y0 - 0.52

Calculation factor - Y1 - 0.55

Calculation factor - Y2 - 0.93

Calculation factor - X - 0.35

Calculation factor - Y0 - 0.26

Calculation factor - Y1 -

Calculation factor - Y2 - 0.57

Mass bearing - 8.85 kg

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

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