d - 45 mm
D - 75 mm
B - 16 mm
d1 - 56.44 mm
d2 - 55.17 mm
D2 - 65.58 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 16.1 mm
da - min. - 49.6 mm
db - min. - 49.6 mm
Da - max. - 70.4 mm
Db - max. - 71.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 57.2 mm
Basic dynamic load rating - C - 9.6 kN
Basic static load rating - C0 - 7.2 kN
Fatigue load limit - Pu - 0.305 kN
Limiting speed for grease lubrication - 26000 r/min
Limiting speed for oil lubrication - 40000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 25
Gref - 2.93 cm3
Calculation factor - f0 - 9.6
Preload class A - GA - 31 N
Preload class B - GB - 62 N
Preload class C - GC - 185 N
Calculation factor - f - 1.05
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1
Preload class A - 31 N/micron
Preload class B - 40 N/micron
Preload class C - 64 N/micron
Mass bearing - 0.26 kg
Hot number:KOYO 7321 B/DT TIMKEN NJ2206E.TVP Timken 230RJ92 SNR 2305KG15 FAG 239/710-K-MB NTN 4T-46162/46368 AST 57414/LM300811 NACHI BF205 KOYO HJ-243316 NACHI NU309EG FBJ NU419 NSK WJ-364216 KOYO UKFS320 FAG NAO-55x85x60 SKF NNF-5016A-DA2RSV
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