d - 30 mm
D - 55 mm
B - 13 mm
d1 - 38.2 mm
d2 - 36.4 mm
D2 - 48.1 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 12.2 mm
da - min. - 34.6 mm
da - max. - 37.8 mm
db - min. - 34.6 mm
db - max. - 36 mm
Da - max. - 50.4 mm
Db - max. - 50.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
Basic dynamic load rating - C - 9.4 kN
Basic static load rating - C0 - 5.2 kN
Fatigue load limit - Pu - 0.22 kN
Limiting speed for grease lubrication - 39000 r/min
Ball - Dw - 6.35 mm
Ball - z - 17
Calculation factor - f0 - 7.9
Preload class A - GA - 50 N
Preload class B - GB - 150 N
Preload class C - GC - 300 N
Calculation factor - f - 1.05
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1
Preload class A - 28 N/micron
Preload class B - 44 N/micron
Preload class C - 60 N/micron
Mass bearing - 0.118 kg
Hot number:KOYO 7028 AC OKB 3182128UH OKB NSK 200RUB32APV ISB 23048 CX 54412U+U412 Fersa 64450/64700 FYH SBNPTH204-100 RIV 51324 MRC 6007-ZZNR American RLS-231/2 SKF RM-8 Torrington RXLS-15 SKF 231/530 CAK/W33 SKF 2212 ETN9
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