d - 55 mm
D - 80 mm
B - 13 mm
d1 - 63.94 mm
d2 - 62.7 mm
D2 - 73.2 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 18.8 mm
da - min. - 59.6 mm
db - min. - 59.6 mm
Da - max. - 75.4 mm
Db - max. - 78 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
dn - 64.8 mm
Basic dynamic load rating - C - 10 kN
Basic static load rating - C0 - 8.2 kN
Fatigue load limit - Pu - 0.345 kN
Limiting speed for grease lubrication - 28000 r/min
Limiting speed for oil lubrication - 43000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 28
Gref - 2.58 cm3
Calculation factor - f0 - 9.8
Preload class A - GA - 33 N
Preload class B - GB - 66 N
Preload class C - GC - 200 N
Calculation factor - f - 1.09
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 38 N/micron
Preload class B - 50 N/micron
Preload class C - 80 N/micron
Mass bearing - 0.17 kg
Hot number:SKF 53306 U OKB 32536EH NACHI 22205EXK NACHI 239/1060EK FBJ 29430M SKF 71800 CD/HCP4 AST 51206 NTN 6022ZNR INA NKI30/20-TN-XL NSK KRV-80-2RSX Torrington MR-12 INA NKS-37 SKF (Old No.) NK-30/30 SKF K 55x63x32 SKF PBM 304045 M1G1
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