d - 280 mm
D - 380 mm
B - 46 mm
d1 - 311.8 mm
d2 - 311.8 mm
D1 - 348.2 mm
r1,2 - min. - 2.1 mm
r3,4 - min. - 1.1 mm
a - 67.4 mm
da - min. - 291 mm
db - min. - 291 mm
Da - max. - 369 mm
Db - max. - 374 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 319.7 mm
Basic dynamic load rating - C - 291 kN
Basic static load rating - C0 - 455 kN
Fatigue load limit - Pu - 10.6 kN
Limiting speed for grease lubrication - 4000 r/min
Limiting speed for oil lubrication - 5600 mm/min
Ball - Dw - 30.162 mm
Ball - z - 31
Gref - 159 cm3
Calculation factor - f0 - 16.7
Preload class A - GA - 1090 N
Preload class B - GB - 2180 N
Preload class C - GC - 4360 N
Preload class D - GD - 8720 N
Calculation factor - f - 1.27
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.18
Calculation factor - fHC - 1.04
Preload class A - 295 N/micron
Preload class B - 403 N/micron
Preload class C - 565 N/micron
Preload class D - 822 N/micron
Mass bearing - 11.09 kg
Hot number:KOYO 7308 B/DF IKO BK 6020 NTN NJ 420 Gamet 111044X/111090H ISB 294/600 M SKF 32319 J2 INA BCE2610 CX BK0712 CX NJ18/1320 ZEN R4A SKF SS7216 ACD/P4A FED 6207-2RS SKF BK 1616 SKF FY 1.1/4 LDW SKF SNL 3148 ATURA
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