Bearing 30311JR (KOYO)

Tapered roller bearings 30311JR

Bearing number : 30311JR

Size (mm) : 55x120x31.5

Brand : KOYO

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 31,5

Bearing dimensions and specification in KOYO catalogue:

d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

a - 25,5 mm

r min. - 2,5 mm

r2 min. - 2 mm

da min. - 67 mm

da max - 71 mm

Da min - 104 mm

Da max. - 108 mm

Db min. - 111 mm

ra max. - 2 mm

rb max. - 2 mm

Weight - 1,65 Kg

Basic dynamic load rating (C) - 149 kN

Basic static load rating (C0) - 170 kN

(Grease) Lubrication Speed - 3300 r/min

(Oil) Lubrication Speed - 4500 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y1) - 1,74

Designation

Bore Dia, mm

Outer Dia, mm: