Bearing 1221 (KOYO)

Self-aligning ball bearings 1221

Bearing number : 1221

Size (mm) : 105x190x36

Brand : KOYO

Bore Diameter (mm) : 105

Outer Diameter (mm) : 190

Width (mm) : 36

Bearing dimensions and specification in KOYO 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 - 4.37 Kg

Basic dynamic load rating (C) - 77.0 kN

Basic static load rating (C0) - 34.0 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3600 r/min

Calculation factor (e) - 0.18

Calculation factor (Y0) - 3.73

Calculation factor (Y1) - 3.56

Calculation factor (Y2) - 5.51

Designation

Bore Dia, mm

Outer Dia, mm: