Bearing 6921NR (NACHI)

Deep groove ball bearings 6921NR

Bearing number : 6921NR

Size (mm) : 105x145x20

Brand : NACHI

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in NACHI catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

C - 20 mm

a - 3.3 mm

b - 1.9 mm

f - 1.7 mm

r min. - 1.1 mm

r1 min. - 0.5 mm

D1 - 142.6 mm

D2 - 150.7 mm

Weight - 0.803 Kg

Basic dynamic load rating (C) - 42,5 kN

Basic static load rating (C0) - 42 kN

(Grease) Lubrication Speed - 4200 r/min

(Oil) Lubrication Speed - 5100 r/min

Designation

Bore Dia, mm

Outer Dia, mm: