d - 65 mm
D - 85 mm
B - 10 mm
d1 - 71.7 mm
d2 - 71.7 mm
D1 - 78.5 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 15.1 mm
da - min. - 68.2 mm
db - min. - 68.2 mm
Da - max. - 81.8 mm
Db - max. - 83 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 72.4 mm
Basic dynamic load rating - C - 13.5 kN
Basic static load rating - C0 - 14.6 kN
Fatigue load limit - Pu - 0.63 kN
Limiting speed for grease lubrication - 18000 r/min
Limiting speed for oil lubrication - 28000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 29
Gref - 1.3 cm3
Calculation factor - f0 - 17.1
Preload class A - GA - 71 N
Preload class B - GB - 215 N
Preload class C - GC - 430 N
Calculation factor - f - 1.28
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 - 67 N/micron
Preload class B - 116 N/micron
Preload class C - 172 N/micron
Mass bearing - 0.114 kg
Hot number:ZKL 7220 B/DB INA NK28/30 INA NK55/25 SKF 32303J2/Q NSK 67388/67320 Samick LMEKP40UU FYH NAP212-36 KOYO RV223215 NMB SBT8 ISB SSR 15 FED 6210-RS SKF NJ-234E SKF RNA-6914 INA W-11/8 SKF 16008/HR22Q2
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