d - 7 mm
D - 13 mm
B - 3 mm
d1 - - 9.35 mm
D1 - - 11.15 mm
r1,2 - min. - 0.2 mm
da - min. - 8.6 mm
Da - max. - 11.4 mm
ra - max. - 0.2 mm
Basic dynamic load rating - C - 0.312 kN
Basic static load rating - C0 - 0.143 kN
Fatigue load limit - Pu - 0.006 kN
Reference speed - 100000 r/min
Limiting speed - 63000 r/min
Calculation factor - kr - 0.03
Calculation factor - f0 - 8.3
Mass bearing - 0.0016 kg
Hot number:KOYO 7221 B TIMKEN 6460/6420 FBJ 30211 CX 7320 C SKF FYRP 2 1/2-3 KOYO HAR021 SKF GS 81152 CX NA4988 NSK NCF3032V NACHI NJ 328 KOYO NNU4948K NBS SL014956 MRC 6321-Z Barden HC71924TGP/4 SKF GB 3017
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