Bearing 7921 (NTN)

Angular contact ball bearings 7921

Bearing number : 7921

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

Angle (α) - 25 °

a - 46 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

da min. - 112 mm

db min - 112 mm

ra max. - 1 mm

Weight - 0,972 Kg

Basic dynamic load rating (C) - 48,5 kN

Basic static load rating (C0) - 54,5 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 5 900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: