d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.95 mm
d2 - 56.9 mm
D2 - 66.04 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 16.7 mm
da - min. - 53.2 mm
db - min. - 53.2 mm
Da - max. - 68.8 mm
Db - max. - 70 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 58.7 mm
Basic dynamic load rating - C - 7.6 kN
Basic static load rating - C0 - 6.2 kN
Fatigue load limit - Pu - 0.265 kN
Limiting speed for grease lubrication - 30000 r/min
Limiting speed for oil lubrication - 45000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 29
Gref - 1.89 cm3
Calculation factor - f0 - 9.8
Preload class A - GA - 26 N
Preload class B - GB - 52 N
Preload class C - GC - 155 N
Calculation factor - f - 1.09
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 34 N/micron
Preload class B - 45 N/micron
Preload class C - 72 N/micron
Mass bearing - 0.126 kg
Hot number:NTN N 2236 MAC N 306 NSK EN 4 OKB 1060088 KOYO 22330RHAK NKE 6022-Z-N SKF BEAM 030080-2RS KOYO BK1514RS NSK EE275108/275155 SNR GB40264S01 NTN NJ2311E ISO NUP314 KOYO UCPX14 SKF 52406 NOK SC 38 58 8 NBR
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