Bearing 4T-30306CA (NTN)

Tapered roller bearings 4T-30306CA

Bearing number : 4T-30306CA

Size (mm) : 30x72x20.75

Brand : NTN

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 20,75

Bearing dimensions and specification in NTN catalogue:

d - 30 mm

D - 72 mm

T - 20,75 mm

B - 19 mm

C - 15 mm

ra1 max. - 1,5 mm

a - 17,5 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. - 39,5 mm

Db min. - 67 mm

ra max. - 1,5 mm

Sa - 3 mm

Sb - 5,5 mm

Weight - 0,398 Kg

Basic dynamic load rating (C) - 58,5 kN

Basic static load rating (C0) - 58,5 kN

(Grease) Lubrication Speed - 5 500 r/min

(Oil) Lubrication Speed - 7 300 r/min

Calculation factor (e) - 0,47

Calculation factor (Y0) - 0,7

Calculation factor (Y2) - 1,27

Designation

Bore Dia, mm

Outer Dia, mm: