Bearing 6921N (NTN)

Deep groove ball bearings 6921N

Bearing number : 6921N

Size (mm) : 105x145x20

Brand : NTN

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in NTN catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

C - 20 mm

rn - 0,5 mm

a - 3,3 mm

b - 1,9 mm

r min. - 1,1 mm

r0 max. - 0,6 mm

D1 - 142,6 mm

da min. - 111,5 mm

da max - 115 mm

Da max. - 138,5 mm

ra max. - 1 mm

Dx - 152 mm

Cy - 4,7 mm

Cz - 1,7 mm

rn - 0,5 mm

Weight - 0,816 Kg

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

Basic static load rating (C0) - 42 kN

(Grease) Lubrication Speed - 4 300 r/min

(Oil) Lubrication Speed - 5 100 r/min

Calculation factor (f0) - 16,5

Designation

Bore Dia, mm

Outer Dia, mm: