NSK 7984A bearing

420x560x65

As the development of more efficient electric motors continues to keep pace with upcoming regulations, it is important to ensure that all the components are engineered to the latest specifications, including the bearings. Tony Synnott, UK Engineering Manager for NSK Europe, explains how bearing design is affecting electric motor performance and reliability.



Angular contact ball bearings 7984A

Bearing number : 7984A

Size (mm) : 420x560x65

Brand : NSK

Bore Diameter (mm) : 420

Outer Diameter (mm) : 560

Width (mm) : 65

Bearing dimensions and specification in NSK catalogue:

d - 420 mm

D - 560 mm

B - 65 mm

C - 65 mm

a - 174 mm

r min. - 4 mm

r1 min. - 1,5 mm

Da - 531 mm

ra max. - 3 mm

da - 456 mm

Weight - 44 Kg

Basic dynamic load rating (C) - 410 kN

Basic static load rating (C0) - 805 kN

Bearing 7984A

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