Tapered roller bearings 387A/382

Bearing number : 387A/382

Size (mm) : 57.15x98.425x21

Brand : NSK

Bore Diameter (mm) : 57,15

Outer Diameter (mm) : 98,425

Width (mm) : 21

Bearing dimensions and specification in NSK catalogue:

d - 57,15 mm

D - 98,425 mm

T - 21 mm

B - 21,946 mm

C - 17,826 mm

ra1 max. - 0,8 mm

a - 17,6 mm

r min. - 3,5 mm

r1 min. - 0,8 mm

Da - 90 mm

db - 62 mm

ra max. - 3,5 mm

da - 69 mm

Db - 92 mm

Weight - 0,646 Kg

Basic dynamic load rating (C) - 80,5 kN

Basic static load rating (C0) - 100 kN

(Grease) Lubrication Speed - 3600 r/min

(Oil) Lubrication Speed - 5000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,93

Calculation factor (Y1) - 1,7