NSK 7044B bearing

220x340x56

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 7044B

Bearing number : 7044B

Size (mm) : 220x340x56

Brand : NSK

Bore Diameter (mm) : 220

Outer Diameter (mm) : 340

Width (mm) : 56

Bearing dimensions and specification in NSK catalogue:

d - 220 mm

D - 340 mm

B - 56 mm

C - 56 mm

a - 145,5 mm

r min. - 3 mm

r1 min. - 1,1 mm

Da - 319 mm

ra max. - 2,5 mm

da - 244 mm

Weight - 18,4 Kg

Basic dynamic load rating (C) - 253 kN

Basic static load rating (C0) - 355 kN

Bearing 7044B

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