Bearing 78250/78551 (NSK)

Tapered roller bearings 78250/78551

Bearing number : 78250/78551

Size (mm) : 63.5x140.03x36.512

Brand : NSK

Bore Diameter (mm) : 63,5

Outer Diameter (mm) : 140,03

Width (mm) : 36,512

Bearing dimensions and specification in NSK catalogue:

d - 63,5 mm

D - 140,03 mm

T - 36,512 mm

B - 33,236 mm

C - 23,52 mm

ra1 max. - 2,3 mm

a - 44,2 mm

r min. - 2,3 mm

r1 min. - 2,3 mm

Da - 117 mm

db - 79 mm

ra max. - 2,3 mm

da - 85 mm

Db - 132 mm

Weight - 2,436 Kg

Basic dynamic load rating (C) - 152 kN

Basic static load rating (C0) - 183 kN

(Grease) Lubrication Speed - 2600 r/min

(Oil) Lubrication Speed - 3600 r/min

Calculation factor (e) - 0,87

Calculation factor (Y0) - 0,38

Calculation factor (Y1) - 0,69

Designation

Bore Dia, mm

Outer Dia, mm: