Bearing R144 (NTN)

Deep groove ball bearings R144

Bearing number : R144

Size (mm) : 3.175x6.35x2.38

Brand : NTN

Bore Diameter (mm) : 3,175

Outer Diameter (mm) : 6,35

Width (mm) : 2,38

Bearing dimensions and specification in NTN catalogue:

d - 3,175 mm

D - 6,35 mm

B - 2,38 mm

C - 2,38 mm

r min. - 0,08 mm

da min. - 3,9 mm

da max - 4 mm

Da max. - 5,5 mm

ra max. - 0,08 mm

Weight - 0,27 Kg

Basic dynamic load rating (C) - 0,284 kN

Basic static load rating (C0) - 0,096 kN

(Grease) Lubrication Speed - 59000 r/min

(Oil) Lubrication Speed - 70000 r/min

Calculation factor (f0) - 13,7

Designation

Bore Dia, mm

Outer Dia, mm: