d - 50 mm
D - 65 mm
B - 7 mm
d1 - 55.1 mm
d2 - 55.1 mm
D1 - 60 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 11.2 mm
da - min. - 52 mm
db - min. - 52 mm
Da - max. - 63 mm
Db - max. - 64.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 55.6 mm
Basic dynamic load rating - C - 7.4 kN
Basic static load rating - C0 - 7.8 kN
Fatigue load limit - Pu - 0.335 kN
Limiting speed for grease lubrication - 24000 r/min
Limiting speed for oil lubrication - 36000 mm/min
Ball - Dw - 3.969 mm
Ball - z - 30
Gref - 0.5 cm3
Calculation factor - f0 - 17.2
Preload class A - GA - 40 N
Preload class B - GB - 120 N
Preload class C - GC - 240 N
Calculation factor - f - 1.3
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 - 52 N/micron
Preload class B - 89 N/micron
Preload class C - 133 N/micron
Mass bearing - 0.046 kg
Hot number:SKF LL 639249/2/210/4 OKB 1000988 OKB 42334E NACHI 24160EK30 NTN 4T-HM89444/HM89410 AST AST40 1525 ISO K64x70x16 CX NN4934 K NKE NU336-E-MPA CX QJ1984 ISO UK207+H2307 SNR 51140 RIV 6226-K FAG FR-1/5 SKF N-205
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