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Bearing 7228DB

NTN 7228DB bearing

Details

Angular contact ball bearings 7228DB

Bearing number : 7228DB

Size (mm) : 140x250x42

Brand : NTN

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 42

Bearing dimensions and specification in NTN catalogue:

d - 140 mm

D - 250 mm

B - 42 mm

C - 42 mm

ra1 max. - 1 mm

Angle (α) - 25 °

a - 77,5 mm

r min. - 3 mm

r1 min. - 1,1 mm

2B - 84 mm

da min. - 154 mm

ra max. - 2,5 mm

Db max - 243 mm

Weight - 17,56 Kg

Basic dynamic load rating (C) - 330 kN

Basic static load rating (C0) - 430 kN

(Grease) Lubrication Speed - 2 200 r/min

(Oil) Lubrication Speed - 2 900 r/min

Bearing 7228DB

Online Message

NTN 7228DB bearing Company information

NTN 7228DB bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. NTN 7228DB bearing can ensure high quality for more than 80% raw material of NTN 7228DB bearing provided by the steel plant.Explorer series bearing of NTN 7228DB bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of NTN 7228DB bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .

NTN 7228DB bearing Related News

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