d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.1 mm
d2 - 57.1 mm
D1 - 64.9 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 14.2 mm
da - min. - 53.2 mm
db - min. - 53.2 mm
Da - max. - 68.8 mm
Db - max. - 70.6 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 58.7 mm
Basic dynamic load rating - C - 13.5 kN
Basic static load rating - C0 - 10.4 kN
Fatigue load limit - Pu - 0.44 kN
Limiting speed for grease lubrication - 17000 r/min
Limiting speed for oil lubrication - 28000 mm/min
Ball - Dw - 6.35 mm
Ball - z - 25
Gref - 1.74 cm3
Calculation factor - f0 - 10.7
Preload class A - GA - 50 N
Preload class B - GB - 100 N
Preload class C - GC - 200 N
Preload class D - GD - 400 N
Calculation factor - f - 1.13
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.09
Calculation factor - f2D - 1.15
Calculation factor - fHC - 1
Preload class A - 43 N/micron
Preload class B - 57 N/micron
Preload class C - 78 N/micron
Preload class D - 110 N/micron
Mass bearing - 0.13 kg
Hot number:NACHI 7320 B NSK NUP 304 TIMKEN 3876/3821 OKB 346200 OKB 290511 KOYO 7309B NTN 7904UCGD2/GLP4 LS GE260ES-2RS KOYO KFC300 SKF SILKAC8M MRC 5310-2RSNR STEYR NUP-301 SKF SAF 1510-210 SKF 6208 NOK AS568-205-D
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