Bearing 1221 (NACHI)

Self-aligning ball bearings 1221

Bearing number : 1221

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

r1 min. - 2.1 mm

da min. - 117 mm

Da max. - 178 mm

ra max. - 2 mm

Weight - 4.37 Kg

Basic dynamic load rating (C) - 74,5 kN

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

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3500 r/min

Calculation factor (e) - 0.18

Calculation factor (Y0) - 3.7

Calculation factor (Y1) - 3.5

Calculation factor (Y2) - 5.5

Designation

Bore Dia, mm

Outer Dia, mm: