Bearing 30209XR (KOYO)

Tapered roller bearings 30209XR

Bearing number : 30209XR

Size (mm) : 45x85x20.75

Brand : KOYO

Bore Diameter (mm) : 45

Outer Diameter (mm) : 85

Width (mm) : 20,75

Bearing dimensions and specification in KOYO catalogue:

d - 45 mm

D - 85 mm

T - 20,75 mm

B - 19 mm

C - 15 mm

a - 21,1 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 53,5 mm

da max - 54 mm

Da min - 71 mm

Da max. - 76,5 mm

Db min. - 80 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,5 Kg

Basic dynamic load rating (C) - 69,4 kN

Basic static load rating (C0) - 81,5 kN

(Grease) Lubrication Speed - 4600 r/min

(Oil) Lubrication Speed - 6100 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

Designation

Bore Dia, mm

Outer Dia, mm: