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NSK 3984/3920 bearing

Bearing 3984/3920

NSK 3984/3920, Size: 66.675x112.712x30.162. NSK 3984/3920 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 3984/3920

Bearing number : 3984/3920

Size (mm) : 66.675x112.712x30.162

Brand : NSK

Bore Diameter (mm) : 66,675

Outer Diameter (mm) : 112,712

Width (mm) : 30,162

Bearing dimensions and specification in NSK catalogue:

d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

ra1 max. - 3,2 mm

a - 25,5 mm

r min. - 3,5 mm

r1 min. - 3,2 mm

Da - 99 mm

db - 74 mm

ra max. - 3,5 mm

da - 80 mm

Db - 106 mm

Weight - 1,166 Kg

Basic dynamic load rating (C) - 120 kN

Basic static load rating (C0) - 173 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,5

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