NTN 7221 bearing

Bearing 7221

7221 NTN bearing,

NTN 7221 bearing, Size: 105x190x36. NTN 7221 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings 7221

Bearing number : 7221

Size (mm) : 105x190x36

Brand : NTN

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 36

Bearing dimensions and specification in NTN catalogue:

d - 105 mm

D - 190 mm

B - 36 mm

C - 36 mm

Angle (α) - 25 °

a - 60,5 mm

r min. - 2,1 mm

r1 min. - 1,1 mm

da min. - 117 mm

db min - 112 mm

ra max. - 2 mm

Weight - 3,79 Kg

Basic dynamic load rating (C) - 157 kN

Basic static load rating (C0) - 142 kN

(Grease) Lubrication Speed - 3 700 r/min

(Oil) Lubrication Speed - 5 000 r/min