Bearing 57008R (KOYO)

Tapered roller bearings 57008R

Bearing number : 57008R

Size (mm) : 20x47x15.25

Brand : KOYO

Bore Diameter (mm) : 20

Outer Diameter (mm) : 47

Width (mm) : 15,25

Bearing dimensions and specification in KOYO catalogue:

d - 20 mm

D - 47 mm

T - 15,25 mm

B - 14 mm

C - 12 mm

a - 12,9 mm

r min. - 1 mm

r2 min. - 1 mm

da min. - 25,5 mm

da max - 26 mm

Da min - 37 mm

Da max. - 41,5 mm

Db min. - 44 mm

ra max. - 1 mm

rb max. - 1 mm

Weight - 0,125 Kg

Basic dynamic load rating (C) - 25,8 kN

Basic static load rating (C0) - 25,5 kN

(Grease) Lubrication Speed - 9000 r/min

(Oil) Lubrication Speed - 12000 r/min

Calculation factor (e) - 0,52

Calculation factor (Y0) - 0,64

Calculation factor (Y1) - 1,16

Designation

Bore Dia, mm

Outer Dia, mm: