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 - 20000 r/min
Limiting speed for oil lubrication - 30000 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 - 1.09
Calculation factor - f2C - 1.16
Calculation factor - fHC - 1
Preload class A - 47 N/micron
Preload class B - 81 N/micron
Preload class C - 119 N/micron
Mass bearing - 0.051 kg
Hot number:SNR 7303 C/DT OKB 1218A OKB 5304 SKF 24122 CC/W33 FAG 29320-E1 NTN 7217BDT ISB BD1B634141 AST LD5805ZZ Timken LM565949/LM565910B ISO NKS43 NKE NJ2306-E-MPA NKE NJ340-E-M6 SKF NU 216 ECP SKF GS 81234 SKF YAT 215-215
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