NTN BNT004 bearing

Bearing BNT004

NTN BNT004 bearing, Size: 20x42x12. NTN BNT004 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings BNT004

Bearing number : BNT004

Size (mm) : 20x42x12

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 42

Width (mm) : 12

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 42 mm

B - 12 mm

C - 12 mm

a - 10 mm

r min. - 0,6 mm

r1 min. - 0,3 mm

da min. - 24,5 mm

Da max. - 37,5 mm

ra max. - 0,6 mm

Weight - 0,057 Kg

Basic dynamic load rating (C) - 8 kN

Basic static load rating (C0) - 3,95 kN

(Grease) Lubrication Speed - 30 000 r/min

(Oil) Lubrication Speed - 40 000 r/min

Calculation factor (f0) - 9,2

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Contact Details: ROOM 19/F AiLeiw 532, Basheki.sepwer.Hong Kong

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