d - 15 mm
D - 32 mm
B - 9 mm
d1 - 20.6 mm
d2 - 20.6 mm
D1 - 26.4 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.2 mm
a - 7.7 mm
da - min. - 17 mm
db - min. - 17 mm
Da - max. - 30 mm
Db - max. - 30.6 mm
ra - max. - 0.3 mm
rb - max. - 0.2 mm
dn - 21.5 mm
Basic dynamic load rating - C - 5.2 kN
Basic static load rating - C0 - 2.4 kN
Fatigue load limit - Pu - 0.104 kN
Limiting speed for grease lubrication - 67000 r/min
Limiting speed for oil lubrication - 100000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 12
Gref - 0.39 cm3
Calculation factor - f0 - 9.3
Preload class A - GA - 20 N
Preload class B - GB - 40 N
Preload class C - GC - 80 N
Preload class D - GD - 160 N
Calculation factor - f - 1.03
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.09
Calculation factor - fHC - 1.02
Preload class A - 19 N/micron
Preload class B - 25 N/micron
Preload class C - 35 N/micron
Preload class D - 49 N/micron
Mass bearing - 0.027 kg
Hot number:NSK 7220 B/DB TORRINGTON FAFNIR 3210 A-Z STEYR 54322 CX 23940 KCW33+AH3940 Timken 530RF30 ISB 6012 AST AST800 1815 FYH ER211-32 NSK FWF-293616Z-E PFI NA208-3L NKE NU303-E-TVP3 SKF S71910 CD/P4A NSK 6312-Z NOK SC 25 47 7 NBR NOK SC 230 285 23 NBR
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