d - 50 mm
D - 80 mm
B - 16 mm
d1 - 60.25 mm
d2 - 57.9 mm
D1 - 69.75 mm
b - 1.7 mm
C1 - 8.6 mm
C2 - 2.7 mm
C3 - 3 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 23.3 mm
da - min. - 54.6 mm
db - min. - 54.6 mm
Da - max. - 75.4 mm
Db - max. - 75.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 62.3 mm
Basic dynamic load rating - C - 14.8 kN
Basic static load rating - C0 - 10 kN
Fatigue load limit - Pu - 0.425 kN
Limiting speed for grease lubrication - 23000 r/min
Limiting speed for oil lubrication - 34000 mm/min
Ball - Dw - 7.938 mm
Ball - z - 21
Gref - 4.1 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 - 130 N
Preload class B - GB - 400 N
Preload class C - GC - 800 N
Calculation factor - f - 1.08
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.06
Calculation factor - fHC - 1
Preload class A - 104 N/micron
Preload class B - 156 N/micron
Preload class C - 204 N/micron
Mass bearing - 0.254 kg
Hot number:NTN K 40×45×27 NTN NU 2312 E FAG 234480M.SP OKB 1840082 NACHI 22248EK Timken 23340YM NACHI 30234 KOYO 629ZZ SKF D/W R4-2RS1 CX HM262748/10 KOYO TR191604HR4SH2 STEYR 30230 FAF 6201TP/5 INA 909 FAG NCF-3008V
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