d - 70 mm
D - 90 mm
B - 10 mm
d1 - 76.7 mm
d2 - 76.7 mm
D1 - 83.5 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 15.7 mm
da - min. - 73.2 mm
db - min. - 73.2 mm
Da - max. - 86.8 mm
Db - max. - 88 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 77.4 mm
Basic dynamic load rating - C - 13.8 kN
Basic static load rating - C0 - 16 kN
Fatigue load limit - Pu - 0.67 kN
Limiting speed for grease lubrication - 17000 r/min
Limiting speed for oil lubrication - 26000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 31
Gref - 1.4 cm3
Calculation factor - f0 - 17.2
Preload class A - GA - 73 N
Preload class B - GB - 220 N
Preload class C - GC - 440 N
Calculation factor - f - 1.32
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.1
Calculation factor - f2C - 1.18
Calculation factor - fHC - 1.02
Preload class A - 72 N/micron
Preload class B - 125 N/micron
Preload class C - 184 N/micron
Mass bearing - 0.121 kg
Hot number:KOYO 7230 B SNR 7203 AC/DB SKF 7338 B/DB BARDEN 71911 C/DF INA GE 90 ES Timken 140RN91 Timken 23026CJ Timken GE110SX SKF BS2-2310-2CS/VT143 CX NU407 KOYO UKP218SC STEYR NF-312E STEYR NJ-240E SNR 6305-RS NOK 4DP-7
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