Bearing 30308JR (KOYO)

Tapered roller bearings 30308JR

Bearing number : 30308JR

Size (mm) : 40x90x25.25

Brand : KOYO

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 25,25

Bearing dimensions and specification in KOYO catalogue:

d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 20 mm

a - 19,9 mm

r min. - 2 mm

r2 min. - 1,5 mm

da min. - 50 mm

da max - 52 mm

Da min - 77 mm

Da max. - 80 mm

Db min. - 82 mm

ra max. - 2 mm

rb max. - 1,5 mm

Weight - 0,757 Kg

Basic dynamic load rating (C) - 90,6 kN

Basic static load rating (C0) - 101 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6100 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y1) - 1,74

Designation

Bore Dia, mm

Outer Dia, mm: