Bearing 4T-30304CA (NTN)

Tapered roller bearings 4T-30304CA

Bearing number : 4T-30304CA

Size (mm) : 20x52x16.25

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 16,25

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 52 mm

T - 16,25 mm

B - 16 mm

C - 12 mm

ra1 max. - 1,5 mm

a - 13,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 28,5 mm

Da min - 39,5 mm

Da max. - 43,5 mm

db max. - 27,5 mm

Db min. - 48 mm

ra max. - 1,5 mm

Sa - 3 mm

Sb - 4 mm

Weight - 0,17 Kg

Basic dynamic load rating (C) - 31 kN

Basic static load rating (C0) - 31 kN

(Grease) Lubrication Speed - 7 600 r/min

(Oil) Lubrication Speed - 10 000 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y2) - 1,1

Designation

Bore Dia, mm

Outer Dia, mm: