NTN 7304DB bearing

20x52x15

Original ntn bearing products, is 0.01 microns for the unit to produce high precision machining and testing technology, from both the demands of high performance and low cost of common household electrical appliances, until the requirement in harsh working environment can still normal play to its bearing function space rockets, original ntn ...



Angular contact ball bearings 7304DB

Bearing number : 7304DB

Size (mm) : 20x52x15

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

ra1 max. - 0,6 mm

Angle (α) - 25 °

a - 18 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

2B - 30 mm

da min. - 27 mm

ra max. - 1 mm

Db max - 47,5 mm

Weight - 0,276 Kg

Basic dynamic load rating (C) - 30,5 kN

Basic static load rating (C0) - 20,8 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 17 000 r/min

Bearing 7304DB

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