d - 75 mm
D - 115 mm
B - 20 mm
d1 - 90 mm
d2 - 88.2 mm
D2 - 102.8 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 32.3 mm
da - min. - 81 mm
db - min. - 81 mm
Da - max. - 109 mm
Db - max. - 111.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 91.1 mm
Basic dynamic load rating - C - 19 kN
Basic static load rating - C0 - 16.6 kN
Fatigue load limit - Pu - 0.71 kN
Limiting speed for grease lubrication - 14000 r/min
Limiting speed for oil lubrication - 22000 mm/min
Ball - Dw - 7.938 mm
Ball - z - 30
Gref - 7.7 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 - 115 N
Preload class B - GB - 230 N
Preload class C - GC - 690 N
Calculation factor - f - 1.08
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.04
Calculation factor - fHC - 1
Preload class A - 133 N/micron
Preload class B - 169 N/micron
Preload class C - 255 N/micron
Mass bearing - 0.7 kg
Hot number:KOYO 7309 B/DB TIMKEN 3479/3420 KOYO 25570/25519 FAG 61815-2Z-Y NTN-SNR 6311ZZ SKF 71922 ACB/HCP4AL Timken K60X68X20H NSK LM2116 NKE NJ2332-E-M6+HJ2332-E INA W3/4 RBC 94630 INA XW-31/2 SKF 240/850 ECAK30/W33 SKF 24120-2RS5/VT143 SKF SSAFS 22524 x 4.1/8 T
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