Name	1220 K	1220 K	1220 K
Brand	NSK	ISB	SKF
Size (mm)	100x180x34(mm)	100x180x34(mm)
Bore Diameter (mm)	100(mm)	100(mm)
Outer Diameter (mm)	180(mm)	180(mm)
Width (mm)	34(mm)	34(mm)
d	100 mm 3.937 in	100 mm 3.937 in	100 mm 3.937 in
D	180 mm 7.0866 in	180 mm 7.0866 in	180 mm 7.0866 in
B	34 mm 1.3386 in	34 mm 1.3386 in	34 mm 1.3386 in
C	34 mm 1.3386 in	34 mm 1.3386 in
r min.	2,1 mm 0.0827 in
da min.	111 mm 4.3701 in
Da max.	169 mm 6.6535 in
ra max.	2 mm 0.0787 in
Weight	3,82 Kg	3,7 Kg
Basic dynamic load rating (C)	69,5 kN	67,52 kN
Basic static load rating (C0)	29,7 kN	29,40 kN
(Grease) Lubrication Speed	3 200 r/min	3672 r/min
(Oil) Lubrication Speed	3 800 r/min
Calculation factor (e)	0,17
Calculation factor (Y0)	3,8
Calculation factor (Y2)	5,6