

SKF 6321-Z bearing
105x225x49the suspect bearing and sent it to SKF for a rigorous bearing failure analysis. SKF confirmed that the bearing was counter-feit, which nearly caused the “repairs” to be worse than the original problem.
Deep groove ball bearings, single row 6321-Z
Bearing number : 6321-Z
Size (mm) : 105x225x49
Brand : SKF
Bore Diameter (mm) : 105
Outer Diameter (mm) : 225
Width (mm) : 49
Bearing dimensions and specification in SKF catalogue:
d - 105 mm
D - 225 mm
B - 49 mm
d1 - - 141.5 mm
D2 - - 193.35 mm
r1,2 - min. - 3 mm
da - min. - 119 mm
da - max. - 140.9 mm
Da - max. - 211 mm
ra - max. - 2.5 mm
Basic dynamic load rating - C - 182 kN
Basic static load rating - C0 - 153 kN
Fatigue load limit - Pu - 5.1 kN
Reference speed - 6300 r/min
Limiting speed - 4000 r/min
Calculation factor - kr - 0.03
Calculation factor - f0 - 13
Mass bearing - 8.17 kg


Contact Details
ROOM 19/F AiLeiw 532
Basheki.sepwer.Hong Kong
E-mail: [email protected]