d - 17 mm
D - 40 mm
B - 12 mm
d1 - 24.1 mm
d2 - 24.1 mm
D1 - 32.8 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 12.8 mm
da - min. - 21.2 mm
db - min. - 21.2 mm
Da - max. - 35.8 mm
Db - max. - 37.6 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 25.9 mm
Basic dynamic load rating - C - 8.8 kN
Basic static load rating - C0 - 4 kN
Fatigue load limit - Pu - 0.17 kN
Limiting speed for grease lubrication - 45000 r/min
Limiting speed for oil lubrication - 67000 mm/min
Ball - Dw - 7.144 mm
Ball - z - 10
Gref - 1.005 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 - 120 N
Preload class C - GC - 240 N
Preload class D - GD - 480 N
Calculation factor - f - 1.03
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.03
Calculation factor - f2D - 1.06
Calculation factor - fHC - 1.01
Preload class A - 59 N/micron
Preload class B - 76 N/micron
Preload class C - 99 N/micron
Preload class D - 131 N/micron
Mass bearing - 0.054 kg
Hot number:NTN 7020 C/DB FAG RNA 4902 OKB 32144QT OKB 97822EK Timken 55BIC247 CX 71903 C Timken JM205149/JM205110 KOYO MK15101 KOYO RNAO45X55X34 CRAFT SB203 INA ZARN3585-TV STEYR 6218-K2RS HOFF N-303 SKF VSI200944 NOK 4DP-130
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