Angular contact ball bearings, super-precision 71912 CE/P4AH1
Bearing number : 71912 CE/P4AH1
Size (mm) : 60x85x13
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 85
Width (mm) : 13
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 85 mm
B - 13 mm
d1 - 67.75 mm
d2 - 65.7 mm
D1 - 77.3 mm
K - 0.5 mm
C1 - 3.83 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 16.8 mm
da - min. - 64.6 mm
db - min. - 62 mm
Da - max. - 80.4 mm
Db - max. - 83 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
dn - 69.6 mm
Basic dynamic load rating - C - 16.3 kN
Basic static load rating - C0 - 11.8 kN
Fatigue load limit - Pu - 0.5 kN
Limiting speed for grease lubrication - 22000 r/min
Limiting speed for oil lubrication - 34000 mm/min
Ball - Dw - 7.938 mm
Ball - z - 23
Gref - 2.5 cm3
Calculation factor - f0 - 8.5
Preload class A - GA - 87 N
Preload class B - GB - 262 N
Preload class C - GC - 523 N
Calculation factor - f - 1.13
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1
Preload class A - 47 N/micron
Preload class B - 73 N/micron
Preload class C - 100 N/micron
Mass bearing - 0.19 kg
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Clean it best you can, rinse it out, toss it in the dishwasher? I have a partswasher available. Packing is best done inside a ziplock sandwich bag. Grease and bearing go in, shove grease in one edge 'till it comes out the other all the way around. That's the best bearing packer I know of.
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Certain brand is good in particular type of bearings, for example: SKF is good in spherical roller ( their invention), Timken is good in tapered roller (also their invention), Schaeffler group is good in needle rollers and NSK is good in precision ball bearings. it's difficult to single out best ball bearings brand nowadays.
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American Roller Bearing AM Andrews Bearing Corp. AND Fafnir Bearing Co. FAF FAG FAG INA INA MRC Bearings MRC Manufacturer Abbreviation New Departure Hyatt NDH Norma-Hoffman NH Ransome Hoffman Pollard LTD RHP Rollway Bearings RWY SKF Bearings SKF The Torrington Company TOR SERIES PAGE SERIES PAGE SERIES PAGE CT 44 RN-1000 7-11 RU-5300 7-10
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The best bearings, units, and housings . SKF Automotive has some of best branded bearings, units, and housings around. They have bearings for all sorts of applications and/or occasions as well as situations. For example, you could search the SKF inventory in order to look for a strut bearing, release bearing, pinion bearing, pilot bearing ...
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the field of rolling bearings, seals, mechatronics, services and lubrication. The services offered by the SKF group include technical support, maintenance services, condition monitoring and training. SKF was founded in 1907 and grew at a rapid rate to become a global company.
Our excellent service team assures that you receive the right bearing at the best price in the shortest period of time. Brands include SKF, FAG, INA, NSK, NTN, TIMKEN, IKO, THK, NMB, EASE, FYH, KOYO, HIWIN, MAGILL.Our products include Deep groove ball bearing, Self-aligning ball bearing, Cylinder roller bearing, Self-aligning roller bearing.
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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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The SKF brand still stands for the very best in rolling bearings, but it now stands for much more. SKF – the knowledge engineering company 4. ... to Y-bearings and Y-bearing units. All the data required to select a Y-bearing or Y-bearing unit respectively are listed in the product tables.