Bearing 4T-28158/28300 (NTN)

Tapered roller bearings 4T-28158/28300

Bearing number : 4T-28158/28300

Size (mm) : 40x76.2x20.638

Brand : NTN

Bore Diameter (mm) : 40

Outer Diameter (mm) : 76,2

Width (mm) : 20,638

Bearing dimensions and specification in NTN catalogue:

d - 40 mm

D - 76,2 mm

T - 20,638 mm

B - 20,94 mm

C - 15,507 mm

ra1 max. - 1,3 mm

a - 4,8 mm

Da - 68 mm

db - 45 mm

ra max. - 1,5 mm

da - 47,5 mm

Db - 71 mm

Weight - 0,386 Kg

Basic dynamic load rating (C) - 55,5 kN

Basic static load rating (C0) - 63 kN

(Grease) Lubrication Speed - 5 000 r/min

(Oil) Lubrication Speed - 6 700 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y2) - 1,49

Designation

Bore Dia, mm

Outer Dia, mm: