Angular contact ball bearings, super-precision 7026 CD/HCP4A
Bearing number : 7026 CD/HCP4A
Size (mm) : 130x200x33
Brand : SKF
Bore Diameter (mm) : 130
Outer Diameter (mm) : 200
Width (mm) : 33
Bearing dimensions and specification in SKF catalogue:
d - 130 mm
D - 200 mm
B - 33 mm
d1 - 151.6 mm
d2 - 151.6 mm
D1 - 178.4 mm
r1,2 - min. - 2 mm
r3,4 - min. - 1 mm
a - 38.7 mm
da - min. - 139 mm
db - min. - 139 mm
Da - max. - 191 mm
Db - max. - 195 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 156.4 mm
Basic dynamic load rating - C - 148 kN
Basic static load rating - C0 - 156 kN
Fatigue load limit - Pu - 5.2 kN
Limiting speed for grease lubrication - 8000 r/min
Limiting speed for oil lubrication - 13000 mm/min
Ball - Dw - 22.225 mm
Ball - z - 21
Gref - 42 cm3
Calculation factor - f0 - 15.6
Preload class A - GA - 560 N
Preload class B - GB - 1120 N
Preload class C - GC - 2240 N
Preload class D - GD - 4480 N
Calculation factor - f - 1.15
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 - 161 N/micron
Preload class B - 219 N/micron
Preload class C - 307 N/micron
Preload class D - 444 N/micron
Mass bearing - 2.667 kg
SKF/FAG bearings | Adventure Rid
I sold bearings for many years. IMHO, SKF are arguably the best, but to be fair there isn't a great deal of difference in quality between the various "better" brands these days. My personal preference is still SKF, but any reputable brand such as NTN, NSK, NACHI, KOYO and FAG will be of consistently excellent quality.
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