• Welcome

KOYO 30311JR Bearing

d - 55 mm

D - 120 mm

T - 31.5 mm

B - 29 mm

C - 25 mm

a - 25.5 mm

r min. - 2.5 mm

r2 min. - 2 mm

da min. - 67 mm

da max - 71 mm

Da min - 104 mm

Da max. - 108 mm

Db min. - 111 mm

ra max. - 2 mm

rb max. - 2 mm

Weight - 1.65 Kg

Basic dynamic load rating (C) - 149 kN

Basic static load rating (C0) - 170 kN

(Grease) Lubrication Speed - 3300 r/min

(Oil) Lubrication Speed - 4500 r/min

Calculation factor (e) - 0.35

Calculation factor (Y0) - 0.96

Calculation factor (Y1) - 1.74

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