NTN 674A bearing

Bearing 674A

674A NTN bearing,

NTN 674A bearing, Size: 4x7x2. NTN 674A are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Deep groove ball bearings 674A

Bearing number : 674A

Size (mm) : 4x7x2

Brand : NTN

Bore Diameter (mm) : 4

Outer Diameter (mm) : 7

Width (mm) : 2

Bearing dimensions and specification in NTN catalogue:

d - 4 mm

D - 7 mm

B - 2 mm

C - 2 mm

r min. - 0,08 mm

da min. - 4,6 mm

da max - 5 mm

Da max. - 6,4 mm

ra max. - 0,08 mm

Weight - 0,28 Kg

Basic dynamic load rating (C) - 0,222 kN

Basic static load rating (C0) - 0,088 kN

(Grease) Lubrication Speed - 54 000 r/min

(Oil) Lubrication Speed - 63 000 r/min

Calculation factor (f0) - 15,3