Bearing 3878/3820 (NACHI)

Tapered roller bearings 3878/3820

Bearing number : 3878/3820

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

Brand : NACHI

Bore Diameter (mm) : 36.512

Outer Diameter (mm) : 85.725

Width (mm) : 30.162

Bearing dimensions and specification in NACHI catalogue:

d - 36.512 mm

D - 85.725 mm

T - 30.162 mm

B - 30.162 mm

C - 23.813 mm

a - 8.2 mm

r1 min. - 0.8 mm

r2 min. - 3.3 mm

Weight - 0,805 Kg

Basic dynamic load rating (C) - 91000 kN

Basic static load rating (C0) - 115000 kN

(Grease) Lubrication Speed - 4300 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.5

Designation

Bore Dia, mm

Outer Dia, mm: