Bearing 4T-30209 (NTN)

Tapered roller bearings 4T-30209

Bearing number : 4T-30209

Size (mm) : 45x85x20.75

Brand : NTN

Bore Diameter (mm) : 45

Outer Diameter (mm) : 85

Width (mm) : 20,75

Bearing dimensions and specification in NTN catalogue:

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

Designation

Bore Dia, mm

Outer Dia, mm: