Bearing 31328XU (NTN)

Tapered roller bearings 31328XU

Bearing number : 31328XU

Size (mm) : 140x300x77

Brand : NTN

Bore Diameter (mm) : 140

Outer Diameter (mm) : 300

Width (mm) : 77

Bearing dimensions and specification in NTN catalogue:

d - 140 mm

D - 300 mm

T - 77 mm

B - 70 mm

C - 47 mm

ra1 max. - 3 mm

a - 94 mm

r min. - 5 mm

r1 min. - 4 mm

da min. - 162 mm

Da min - 234 mm

Da max. - 282 mm

db max. - 165 mm

Db min. - 280 mm

ra max. - 4 mm

Sa - 9 mm

Sb - 30 mm

Weight - 23 Kg

Basic dynamic load rating (C) - 685 kN

Basic static load rating (C0) - 905 kN

(Grease) Lubrication Speed - 1 300 r/min

(Oil) Lubrication Speed - 1 700 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y2) - 0,73

Designation

Bore Dia, mm

Outer Dia, mm: