Bearing 4T-30306 (NTN)

Tapered roller bearings 4T-30306

Bearing number : 4T-30306

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 - 16 mm

ra1 max. - 1,5 mm

a - 15 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 38,5 mm

Da min - 62 mm

Da max. - 63,5 mm

db max. - 40 mm

Db min. - 66 mm

ra max. - 1,5 mm

Sa - 3 mm

Sb - 4,5 mm

Weight - 0,408 Kg

Basic dynamic load rating (C) - 60 kN

Basic static load rating (C0) - 61 kN

(Grease) Lubrication Speed - 5 700 r/min

(Oil) Lubrication Speed - 7 600 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,05

Calculation factor (Y2) - 1,9

Designation

Bore Dia, mm

Outer Dia, mm: