d - 25 mm
D - 52 mm
B - 18 mm
d1 - - 34.7 mm
D1 - - 43.3 mm
F - 31.5 mm
r1,2 - min. - 1 mm
r3,4 - min. - 1 mm
s - 1.8 mm
da - min. - 29.9 mm
da - max. - 30.4 mm
db - min. - 36 mm
Da - max. - 46.4 mm
ra - max. - 1 mm
Basic dynamic load rating - C - 39 kN
Basic static load rating - C0 - 34 kN
Fatigue load limit - Pu - 4.2 kN
Reference speed - 14000 r/min
Limiting speed - 16000 r/min
Calculation factor - kr - 0.2
Mass bearing - 0.166 kg
Hot number:KOYO NJ 308 E NTN N 311 OKB 1180098 OKB 292305K Timken 220RF92 NSK 51268X KOYO 6305-2RU NSK 6926NR CYSD 7022CDF CX K18x25x14 CX HM89449/11 ISB NNU 4884 K/W33 SNR XGB35302 RIV 51115 FAG NF-220
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