Angular contact ball bearings, super-precision S71909 ACB/HCP4A
Bearing number : S71909 ACB/HCP4A
Size (mm) : 45x68x12
Brand : SKF
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 12
Bearing dimensions and specification in SKF catalogue:
d - 45 mm
D - 68 mm
B - 12 mm
d1 - 53.45 mm
d2 - 52.4 mm
D2 - 61.8 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 22.1 mm
da - min. - 48.2 mm
da - max. - 52.9 mm
db - min. - 48.2 mm
db - max. - 51.8 mm
Da - max. - 64.8 mm
Db - max. - 66 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 7 kN
Basic static load rating - C0 - 5.4 kN
Fatigue load limit - Pu - 0.232 kN
Limiting speed for grease lubrication - 30000 r/min
Ball - Dw - 4.762 mm
Ball - z - 27
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 - 41 N
Preload class B - GB - 82 N
Preload class C - GC - 245 N
Calculation factor - f - 1.08
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 82 N/micron
Preload class B - 107 N/micron
Preload class C - 159 N/micron
Mass bearing - 0.131 kg
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.
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. ...
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/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.
Y-bearings and Y-bearing units - Geers Industr
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.
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.
S71909ACB/HCP4A bearing SKF S71909ACB/HCP4A - Easy .
SKF S71909ACB/HCP4A bearing. SKF S71909ACB/HCP4A, Size: SKF S71909ACB/HCP4A bearing, Size: 45x68x12. SKF S71909ACB/HCP4A are used in a wide variety of applications, they are simple in design, suitable for high speeds and are robust in operation, and need little maintenance.