Bearing 2221 (NACHI)

Self-aligning ball bearings 2221

Bearing number : 2221

Size (mm) : 105x190x50

Brand : NACHI

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 50

Bearing dimensions and specification in NACHI catalogue:

d - 105 mm

D - 190 mm

B - 50 mm

C - 50 mm

r1 min. - 2.1 mm

da min. - 117 mm

Da max. - 178 mm

ra max. - 2 mm

Weight - 6.06 Kg

Basic dynamic load rating (C) - 109 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3500 r/min

Calculation factor (e) - 0.28

Calculation factor (Y0) - 2.4

Calculation factor (Y1) - 2.3

Calculation factor (Y2) - 3.5

Designation

Bore Dia, mm

Outer Dia, mm: