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NTN 7221DF Bearing

d - 105 mm

D - 190 mm

B - 36 mm

ra1 max. - 1 mm

Angle (α) - 25 °

a - 60.5 mm

r min. - 2.1 mm

r1 min. - 1.1 mm

2B - 72 mm

Da max. - 178 mm

db min - 112 mm

ra max. - 2 mm

Weight - 7.58 Kg

Basic dynamic load rating (C) - 254 kN

Basic static load rating (C0) - 283 kN

(Grease) Lubrication Speed - 3 000 r/min

(Oil) Lubrication Speed - 4 000 r/min

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