NSK 02872/02820 bearing

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Tapered roller bearings 02872/02820

Bearing number : 02872/02820

Size (mm) : 28.575x73.025x22.225

Brand : NSK

Bore Diameter (mm) : 28.575

Outer Diameter (mm) : 73.025

Width (mm) : 22.225

Bearing dimensions and specification in NSK catalogue:

d - 28.575 mm

D - 73.025 mm

T - 22.225 mm

B - 22.225 mm

C - 17.462 mm

ra1 max. - 3.3 mm

a - 18.3 mm

r min. - 0.8 mm

r1 min. - 3.3 mm

Da - 62 mm

db - 37 mm

ra max. - 0.8 mm

da - 37.5 mm

Db - 68 mm

Weight - 0.481 Kg

Basic dynamic load rating (C) - 54.5 kN

Basic static load rating (C0) - 64.5 kN

(Grease) Lubrication Speed - 5300 r/min

(Oil) Lubrication Speed - 7100 r/min

Calculation factor (e) - 0.45

Calculation factor (Y0) - 0.73

Calculation factor (Y1) - 1.3