d - 50 mm
D - 65 mm
B - 7 mm
d1 - 55.1 mm
d2 - 55.1 mm
D1 - 60 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 16.9 mm
da - min. - 52 mm
db - min. - 52 mm
Da - max. - 63 mm
Db - max. - 64.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 55.6 mm
Basic dynamic load rating - C - 6.9 kN
Basic static load rating - C0 - 7.4 kN
Fatigue load limit - Pu - 0.315 kN
Limiting speed for grease lubrication - 22000 r/min
Limiting speed for oil lubrication - 34000 mm/min
Ball - Dw - 3.969 mm
Ball - z - 30
Gref - 0.5 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 - 60 N
Preload class B - GB - 180 N
Preload class C - GC - 360 N
Calculation factor - f - 1.3
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 - 119 N/micron
Preload class B - 187 N/micron
Preload class C - 256 N/micron
Mass bearing - 0.046 kg
Hot number:KOYO 7005 C/DB STEYR N 309 Gamet 123076X/123123XC ZEN 6219 SNR AB44259S01 Timken HM256849D/HM256810+HM256810EA NSK LM2620 INA TCJT75 RBC 95524 SKF H-311x13/4 NSK TM3/28-A-1C3**U1UR SKF 32318 SKF SAFS 22544 x 8 T NACHI 6322 NOK ISO C1900G
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