Bearing 7220DB (NACHI)

Angular contact ball bearings 7220DB

Bearing number : 7220DB

Size (mm) : 100x180x34

Brand : NACHI

Bore Diameter (mm) : 100

Outer Diameter (mm) : 180

Width (mm) : 34

Bearing dimensions and specification in NACHI catalogue:

d - 100 mm

D - 180 mm

B - 34 mm

C - 34 mm

Angle (α) - 30 °

a - 23.4 mm

r min. - 2.1 mm

r1 min. - 1.1 mm

2B - 68 mm

da min. - 107 mm

Da max. - 173 mm

ra max. - 1 mm

Weight - 3.32 Kg

Basic dynamic load rating (C) - 234 kN

Basic static load rating (C0) - 251 kN

(Grease) Lubrication Speed - 2400 r/min

(Oil) Lubrication Speed - 3400 r/min

Designation

Bore Dia, mm

Outer Dia, mm: