d - 45 mm
D - 58 mm
B - 7 mm
d1 - 49.6 mm
d2 - 49.6 mm
D1 - 53.6 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 15.5 mm
da - min. - 47 mm
db - min. - 47 mm
Da - max. - 56 mm
Db - max. - 57.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 50 mm
Basic dynamic load rating - C - 4.6 kN
Basic static load rating - C0 - 5 kN
Fatigue load limit - Pu - 0.212 kN
Limiting speed for grease lubrication - 24000 r/min
Limiting speed for oil lubrication - 38000 mm/min
Ball - Dw - 3.175 mm
Ball - z - 31
Gref - 0.36 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 41 N
Preload class B - GB - 125 N
Preload class C - GC - 250 N
Calculation factor - f - 1.24
Calculation factor - f1 - 0.97
Calculation factor - f2A - 1
Calculation factor - f2B - 1.09
Calculation factor - f2C - 1.17
Calculation factor - fHC - 1.02
Preload class A - 97 N/micron
Preload class B - 154 N/micron
Preload class C - 210 N/micron
Mass bearing - 0.037 kg
Hot number:SKF 61915-2RZ NTN 7038 C/DB MRC 7312 C/DF OKB 2097940K OKB 390201G CYSD 7038 AST 387A/382A SIGMA 62300-2RS SNR 7200HG1UJ74 NBS 89452-M SKF 30207 SKF NU-405 SKF 32283 SKF PCM 14014560 M KOYO 6017-RZ
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