Bearing 3878/3820 (KOYO)

Tapered roller bearings 3878/3820

Bearing number : 3878/3820

Size (mm) : 36.512x85.725x30.162

Brand : KOYO

Bore Diameter (mm) : 36,512

Outer Diameter (mm) : 85,725

Width (mm) : 30,162

Bearing dimensions and specification in KOYO catalogue:

d - 36,512 mm

D - 85,725 mm

T - 30,162 mm

B - 30,162 mm

C - 23,812 mm

a - 22,9 mm

r min. - 0,8 mm

r2 min. - 3,2 mm

da min. - 48 mm

Da - 73 mm

db min - 47 mm

ra max. - 0,8 mm

rb max. - 3,2 mm

Db - 81 mm

Weight - 0,89 Kg

Basic dynamic load rating (C) - 108 kN

Basic static load rating (C0) - 136 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6400 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

Designation

Bore Dia, mm

Outer Dia, mm: