Cylindrical roller bearings, single row NJ 2228 ECML
Bearing number : NJ 2228 ECML
Size (mm) : 140x250x68
Brand : SKF
Bore Diameter (mm) : 140
Outer Diameter (mm) : 250
Width (mm) : 68
Bearing dimensions and specification in SKF catalogue:
d - 140 mm
D - 250 mm
B - 68 mm
d1 - - 179 mm
D1 - - 216.7 mm
F - 169 mm
r1,2 - min. - 3 mm
r3,4 - min. - 3 mm
s - 4.4 mm
da - min. - 154 mm
da - max. - 165 mm
db - min. - 182 mm
Da - max. - 235 mm
ra - max. - 2.5 mm
Basic dynamic load rating - C - 655 kN
Basic static load rating - C0 - 830 kN
Fatigue load limit - Pu - 93 kN
Reference speed - 2800 r/min
Limiting speed - 4800 r/min
Calculation factor - kr - 0.3
Mass bearing - 15.27 kg
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