Bearing 7921DB (NTN)

Angular contact ball bearings 7921DB

Bearing number : 7921DB

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

ra1 max. - 0,6 mm

Angle (α) - 25 °

a - 46 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

2B - 40 mm

da min. - 112 mm

ra max. - 1 mm

Db max - 140,5 mm

Weight - 1,944 Kg

Basic dynamic load rating (C) - 79 kN

Basic static load rating (C0) - 109 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Designation

Bore Dia, mm

Outer Dia, mm: