Bearing A4050/A4138 (KOYO)

Tapered roller bearings A4050/A4138

Bearing number : A4050/A4138

Size (mm) : 12.7x34.988x10.998

Brand : KOYO

Bore Diameter (mm) : 12,7

Outer Diameter (mm) : 34,988

Width (mm) : 10,998

Bearing dimensions and specification in KOYO catalogue:

d - 12,7 mm

D - 34,988 mm

T - 10,998 mm

B - 10,988 mm

C - 8,73 mm

a - 8,3 mm

r min. - 1,2 mm

r2 min. - 1,2 mm

da min. - 18,5 mm

Da - 29 mm

db min - 17 mm

ra max. - 1,2 mm

rb max. - 1,2 mm

Db - 32 mm

Weight - 0,055 Kg

Basic dynamic load rating (C) - 12,6 kN

Basic static load rating (C0) - 11,9 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 17000 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y1) - 1,33

Designation

Bore Dia, mm

Outer Dia, mm: