Bearing LM12749/LM12711 (KOYO)

Tapered roller bearings LM12749/LM12711

Bearing number : LM12749/LM12711

Size (mm) : 21.987x45.974x15.494

Brand : KOYO

Bore Diameter (mm) : 21,987

Outer Diameter (mm) : 45,974

Width (mm) : 15,494

Bearing dimensions and specification in KOYO catalogue:

d - 21,987 mm

D - 45,974 mm

T - 15,494 mm

B - 16,637 mm

C - 12,065 mm

a - 10 mm

r min. - 1,2 mm

r2 min. - 1,2 mm

da min. - 27,5 mm

Da - 40 mm

db min - 26 mm

ra max. - 1,2 mm

rb max. - 1,2 mm

Db - 42,5 mm

Weight - 0,121 Kg

Basic dynamic load rating (C) - 30,1 kN

Basic static load rating (C0) - 34,6 kN

(Grease) Lubrication Speed - 8900 r/min

(Oil) Lubrication Speed - 12000 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,08

Calculation factor (Y1) - 1,96

Designation

Bore Dia, mm

Outer Dia, mm: