Angular contact ball bearings, super-precision 71960 ACDMA/HCP4A
Bearing number : 71960 ACDMA/HCP4A
Size (mm) : 300x420x56
Brand : SKF
Bore Diameter (mm) : 300
Outer Diameter (mm) : 420
Width (mm) : 56
Bearing dimensions and specification in SKF catalogue:
d - 300 mm
D - 420 mm
B - 56 mm
d1 - 337 mm
d2 - 337 mm
D1 - 383 mm
r1,2 - min. - 3 mm
r3,4 - min. - 1.1 mm
a - 112.3 mm
da - min. - 313 mm
db - min. - 313 mm
Da - max. - 405 mm
Db - max. - 414 mm
ra - max. - 2.5 mm
rb - max. - 1 mm
dn - 347 mm
Basic dynamic load rating - C - 351 kN
Basic static load rating - C0 - 560 kN
Fatigue load limit - Pu - 12.7 kN
Limiting speed for grease lubrication - 2600 r/min
Limiting speed for oil lubrication - 4000 mm/min
Ball - Dw - 38.1 mm
Ball - z - 26
Gref - 265 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 2200 N
Preload class B - GB - 4400 N
Preload class C - GC - 8800 N
Preload class D - GD - 17600 N
Calculation factor - f - 1.22
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.17
Calculation factor - fHC - 1.04
Preload class A - 736 N/micron
Preload class B - 961 N/micron
Preload class C - 1272 N/micron
Preload class D - 1718 N/micron
Mass bearing - 19.4 kg
What are the best brands of ball bearings? - Quo
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.
SKF BR930473 Wheel Bearing and Hub Assembly - amazon.c
SKF BR930473 Wheel Bearing and Hub Assembly ... For more than 100 years, the world's engineers, technicians and mechanics have turned to SKF for the best possible solutions. Available for a wide range of applications and needs, SKF bearings and seals are designed and manufactured to the highest quality standards, ensuring long life and safety. ...
SKF | Bearings, Units and Housings, Ball Bearin
SKF. Chances are you know SKF for the bearings that keep your equipment running smoothly and efficiently. And with good reason: SKF bearings set the world standard for quality and reliability and are original equipment components in industrial machinery of every kind – motors, pumps, fans, gearboxes, conveyors, machine tool spindles and more.
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.
Industrial seals - All Seals In
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.
India's No. 1 SKF Bearing Dealer, Distributor, wholesaler .
Our fundamental strength lies in the continuous adoption of new technologies and equipment. We provide the clients with the best in class products at the most competitive prices. We are incredibly proud of our status of the world class skf bearing dealer in Kolkata.
Wheel bearing Timken, SKF or NSK - Bob Is The Oil G
Front wheel bearing is humming and it is separate from the hub. Current mileage is 174000km, never changed before. Honda Civic uses NSK as its OE for this model. I will probably order from US and ship to Canada. Here are the USD prices so far which includes shipping/import fees. Timken $55 SKF $75 NSK $83
SKF Bearings - Bearing Parts & Supplies - Grainger .
Ball bearings are used with applications that have high axial loads and low-to-moderate radial loads. Mounted bearings (bearing units) have a bearing inside a housing unit to ensure a secure fit and mount. Sleeve and clip bearings support high loads, have no moving parts, and require lubricant to allow the shaft to turn smoothly.