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 - 26000 r/min
Limiting speed for oil lubrication - 38000 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 - 1.02
Calculation factor - f2C - 1.07
Calculation factor - fHC - 1
Preload class A - 31 N/micron
Preload class B - 40 N/micron
Preload class C - 65 N/micron
Mass bearing - 0.134 kg
Hot number:NTN 22328 CCK/W33+H 2328 RIV NJ 424 INA NKI22/20 TIMKEN HM911245/HM911210-B Timken 211WD CX 71450/71750 KOYO 3NC6000YH4 NTN 625948A NSK BA270-2 FAG B7044-E-T-P4S ISO HK354520 ISB R166ZZ MRC 97210U2 SKF NU 312 ECP TORRINGTON FAFNIR 6005-Z
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