• Welcome

NTN 30221U Bearing

d - 105 mm

D - 190 mm

T - 39 mm

B - 36 mm

C - 30 mm

ra1 max. - 2 mm

a - 38 mm

r min. - 3 mm

r1 min. - 2.5 mm

da min. - 119 mm

Da min - 165 mm

Da max. - 178 mm

db max. - 122 mm

Db min. - 178 mm

ra max. - 2.5 mm

Sa - 6 mm

Sb - 9 mm

Weight - 4.39 Kg

Basic dynamic load rating (C) - 287 kN

Basic static load rating (C0) - 380 kN

(Grease) Lubrication Speed - 1 900 r/min

(Oil) Lubrication Speed - 2 500 r/min

Calculation factor (e) - 0.42

Calculation factor (Y0) - 0.79

Calculation factor (Y2) - 1.43

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