Bearing 4T-30210 (NTN)

Tapered roller bearings 4T-30210

Bearing number : 4T-30210

Size (mm) : 50x90x21.75

Brand : NTN

Bore Diameter (mm) : 50

Outer Diameter (mm) : 90

Width (mm) : 21,75

Bearing dimensions and specification in NTN catalogue:

d - 50 mm

D - 90 mm

T - 21,75 mm

B - 20 mm

C - 17 mm

ra1 max. - 1,5 mm

a - 19,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 58,5 mm

Da min - 79 mm

Da max. - 81,5 mm

db max. - 58 mm

Db min. - 85 mm

ra max. - 1,5 mm

Sa - 3 mm

Sb - 4,5 mm

Weight - 0,563 Kg

Basic dynamic load rating (C) - 77 kN

Basic static load rating (C0) - 93 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 5 300 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y2) - 1,43

Designation

Bore Dia, mm

Outer Dia, mm: