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NTN 4T-30209 Bearing

d - 45 mm

D - 85 mm

T - 20.75 mm

B - 19 mm

C - 16 mm

ra1 max. - 1.5 mm

a - 18 mm

r min. - 1.5 mm

r1 min. - 1.5 mm

da min. - 53.5 mm

Da min - 74 mm

Da max. - 76.5 mm

db max. - 54 mm

Db min. - 80 mm

ra max. - 1.5 mm

Sa - 3 mm

Sb - 4.5 mm

Weight - 0.495 Kg

Basic dynamic load rating (C) - 67.5 kN

Basic static load rating (C0) - 78.5 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 5 900 r/min

Calculation factor (e) - 0.4

Calculation factor (Y0) - 0.81

Calculation factor (Y2) - 1.48

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