Bearing 1221S (NTN)

Self-aligning ball bearings 1221S

Bearing number : 1221S

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

r min. - 2,1 mm

da min. - 116 mm

Da max. - 179 mm

ra max. - 2 mm

Weight - 4,52 Kg

Basic dynamic load rating (C) - 75 kN

Basic static load rating (C0) - 32,5 kN

(Grease) Lubrication Speed - 3 000 r/min

(Oil) Lubrication Speed - 3 600 r/min

Calculation factor (e) - 0,18

Calculation factor (Y0) - 3,7

Calculation factor (Y1) - 3,6

Calculation factor (Y2) - 5,5

Designation

Bore Dia, mm

Outer Dia, mm: