Bearing 4T-32306CR (NTN)

Tapered roller bearings 4T-32306CR

Bearing number : 4T-32306CR

Size (mm) : 30x72x28.75

Brand : NTN

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 28,75

Bearing dimensions and specification in NTN catalogue:

d - 30 mm

D - 72 mm

T - 28,75 mm

B - 27 mm

C - 23 mm

ra1 max. - 1,5 mm

a - 23 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 38,5 mm

Da min - 57 mm

Da max. - 63,5 mm

db max. - 37 mm

Db min. - 67,5 mm

ra max. - 1,5 mm

Sa - 2 mm

Sb - 5,5 mm

Weight - 0,594 Kg

Basic dynamic load rating (C) - 70 kN

Basic static load rating (C0) - 88,5 kN

(Grease) Lubrication Speed - 5 500 r/min

(Oil) Lubrication Speed - 7 300 r/min

Calculation factor (e) - 0,61

Calculation factor (Y0) - 0,54

Calculation factor (Y2) - 0,99

Designation

Bore Dia, mm

Outer Dia, mm: