d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.95 mm
d2 - 56.9 mm
D2 - 66.04 mm
b - 2 mm
C1 - 5.9 mm
C2 - 2.8 mm
C3 - 1.7 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:ZKL NJ 219 FAG 22248BK.MB+H3148X CX 240/1060 K30 CW33 NKE 53224 CX 7314 C-UX NACHI E33028J NTN K25X35X19.8 NSK HJ-182620+IR-151820 ISO HM89446/10 SKF N 1016 KTNHA/HC5SP SKF NCF1864V New Departure 6218NR FAG NNC-4924VC/3 BARDEN HCB71844E.TPA.P4 NOK T2P-39
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