Angular contact ball bearings, super-precision 71908 ACE/HCP4A
Bearing number : 71908 ACE/HCP4A
Size (mm) : 40x62x12
Brand : SKF
Bore Diameter (mm) : 40
Outer Diameter (mm) : 62
Width (mm) : 12
Bearing dimensions and specification in SKF catalogue:
d - 40 mm
D - 62 mm
B - 12 mm
d1 - 46.5 mm
d2 - 44.8 mm
D1 - 54.15 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 18.6 mm
da - min. - 43.2 mm
db - min. - 42 mm
Da - max. - 58.8 mm
Db - max. - 60 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 48 mm
Basic dynamic load rating - C - 9.2 kN
Basic static load rating - C0 - 5.8 kN
Fatigue load limit - Pu - 0.245 kN
Limiting speed for grease lubrication - 34000 r/min
Limiting speed for oil lubrication - 52000 mm/min
Ball - Dw - 6.35 mm
Ball - z - 19
Gref - 1.4 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 - 84 N
Preload class B - GB - 250 N
Preload class C - GC - 505 N
Calculation factor - f - 1.05
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 86 N/micron
Preload class B - 130 N/micron
Preload class C - 170 N/micron
Mass bearing - 0.088 kg
TIMKEN 67884/67820 bearings - TIMKEN BEARING - Products .
The TIMKEN 67884/67820 tapered roller bearings consist of a bearings cone and bearings cup which belong in the single row tapered roller bearings class. As different row configurations for rollers are required, tapered roller bearings can also be divided to double row tapered roller bearings and four row tapered roller bearings.
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real SKF bearing – but your machine will! Fig. 1 Fig. 2 Fig. 3 Fig. 1. Fresh out of “production line” the Fig. 4 counterfeit bearings looks good on the surface. Fig. 2 and 3. The photos shows the condition of a counterfeit bearing used for less than 40 hours in a crusher application. A second bearing was just in black pieces. Fig. 4.
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.
71919ACE/HCP4A bearing SKF 71919ACE/HCP4A - More .
SKF 71919ACE/HCP4A bearing. SKF 71919ACE/HCP4A, Size: SKF 71919ACE/HCP4A bearing, Size: 95x130x18. SKF 71919ACE/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.
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WBA is a non-profit and unincorporated industrial association. It was founded in 2006 by three major, regional bearing associations: The American Bearing Manufacturers Association (ABMA), the Federation of European Bearing Manufacturers' Associations (FEBMA) and the Japan Bearing Industry Association (JBIA).