Bearing 7221DF (NACHI)

Angular contact ball bearings 7221DF

Bearing number : 7221DF

Size (mm) : 105x190x36

Brand : NACHI

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 36

Bearing dimensions and specification in NACHI catalogue:

d - 105 mm

D - 190 mm

B - 36 mm

C - 36 mm

Angle (α) - 30 °

a - 24.6 mm

r min. - 2.1 mm

r1 min. - 1.1 mm

2B - 72 mm

da min. - 112 mm

Da max. - 183 mm

ra max. - 1 mm

Weight - 3.93 Kg

Basic dynamic load rating (C) - 254 kN

Basic static load rating (C0) - 283 kN

(Grease) Lubrication Speed - 2400 r/min

(Oil) Lubrication Speed - 3200 r/min

Designation

Bore Dia, mm

Outer Dia, mm: