d - 17 mm
D - 30 mm
B - 7 mm
d1 - 20.9 mm
d2 - 20.9 mm
D1 - 25.7 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.2 mm
a - 9 mm
da - min. - 19 mm
db - min. - 19 mm
Da - max. - 28 mm
Db - max. - 28.6 mm
ra - max. - 0.3 mm
rb - max. - 0.2 mm
dn - 22.1 mm
Basic dynamic load rating - C - 4 kN
Basic static load rating - C0 - 2 kN
Fatigue load limit - Pu - 0.085 kN
Limiting speed for grease lubrication - 53000 r/min
Limiting speed for oil lubrication - 80000 mm/min
Ball - Dw - 3.969 mm
Ball - z - 14
Gref - 0.24 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 - 25 N
Preload class B - GB - 50 N
Preload class C - GC - 100 N
Preload class D - GD - 200 N
Calculation factor - f - 1.05
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.17
Calculation factor - fHC - 1.04
Preload class A - 46 N/micron
Preload class B - 60 N/micron
Preload class C - 78 N/micron
Preload class D - 103 N/micron
Mass bearing - 0.015 kg
Hot number:FAG K12×15×10 STEYR NU 412 Timken 203KLLG2 CYSD 5213 2RS ISO 63212 ZZ NACHI 7215BDB NACHI 7309DB FAG B71912-C-T-P4S NACHI NU 2234 E NTN T-M272749D/M272710G2+A IKO TAM 2120 NTN 32948 SKF (Old No.) LS120155 SKF 470951 NSK 61909
Previous:71903 A 角接触球轴承 ---- Next:71903 ACD/P4A 角接触球轴承
Return to SKF轴承型号查询