FAG Bearing HCB71928-E-T-P4S-UL

Spindle bearings HCB719..-E, adjusted, in pairs or sets, contact angle u03b1 = 25u00b0, with ceramic balls, restricted tolerances
d=140mm, D=190mm, B=24mm, Mass bearing=1.334kg
Material: Bearing steels
In Stock:
Photo may not represent actual item. See the technical specification for details.

Specifications of FAG Bearing HCB71928-E-T-P4S-UL

FAG Bearing HCB71928-E-T-P4S-UL
FAG Bearing HCB71928-E-T-P4S-UL
FAG Bearing HCB71928-E-T-P4S-UL

Additional information

ca H 554 N/μm Axial rigidity heavy
ca L 253 N/μm Axial rigidity light
ca M 413 N/μm Axial rigidity medium
KaE H 8852 N Lift-off force heavy
KaE L 999 N Lift-off force light
KaE M 3997 N Lift-off force medium
FV H 2967 N Preload force heavy
FV L 348 N Preload force light
FV M 1367 N Preload force medium

Main Dimensions & Performance Data

Cr 89000 N Basic dynamic load rating, radial
C0r 70000 N Basic static load rating, radial
d 140 mm Bore diameter
Cur 4400 N Fatigue load limit, radial
nG Grease 8500 1/min Limiting speed for grease lubrication
nG Oil 13000 1/min Limiting speed for oil lubrication
D 190 mm Outside diameter
B 24 mm Width

Dimensions

α 25 ° Contact-angle
r1 min 1.5 mm Minimum chamfer dimension
rmin 1.5 mm Minimum chamfer dimension

Mounting dimensions

da h12 Diameter shaft shoulder clearance
da 149 mm Diameter shaft shoulder
a 50.5 mm Distance between the apexes of the pressure cones
Etk max 160.6 mm Maximum diameter injection pitch
Etk1 max 160.6 mm Maximum diameter injection pitch
ra max 0.6 mm Maximum recess radius
ra1 max 0.6 mm Maximum recess radius
Etk min 155.5 mm Minimum diameter injection pitch
Etk1 min 155.5 mm Minimum diameter injection pitch
Da H12 Shoulder diameter outer ring clearance
Da 181 mm Shoulder diameter outer ring

Temperature range

Tmax 100 ℃ Operating temperature max.
Tmin -30 ℃ Operating temperature min.

Product description of FAG Bearing HCB71928-E-T-P4S-UL

FAG Bearing HCB71928-E-T-P4S-UL,Spindle bearings are single-row angular contact ball bearings comprising solid inner and outer rings and ball and cage assemblies with solid window cages. They cannot be dismantled. The bearings are available in open and sealed designs.

FAG Bearing HCB71928-E-T-P4S-UL, Spindle bearings have restricted tolerances. They are particularly suitable for bearing arrangements with very high requirements for guidance accuracy and suitability for high speeds. They have proven ideal for spindle bearing arrangements in machine tools.

With its “M series”, Schaeffler presents a new, technically and economically sophisticated concept for increasing the productivity of machine tools. Three X-life High-Speed spindle bearing versions offer great potential for increasing the load carrying capacity of motor spindles even further with regard to maximum speed, high machining forces, and high temperatures.

M version – Cost-effective and robust
HCM version – For outstanding productivity
VCM version – New degrees of freedom in design
X-life

Bearings of X-life quality have an improved raceway geometry and optimized surfaces. This provides a significant increase in the fatigue limit load of the bearings. When calculating the expanded adjusted service life, values up to 50% higher are achieved. In certain applications, this means that a smaller bearing arrangement can be designed.

Various sizes are supplied in the X-life grade. These bearings are indicated in the dimension tables.

FAG Bearing HCB71928-E-T-P4S-UL, FAG super precision bearings for main spindles stand for very high precision and absolute operational security. Innovative FAG spindle bearing solutions are continually raising standards in relation to speeds, accuracy and rating life. For the main spindle system and the overall machine tool system to be successful, however, bearing components alone are no longer sufficient as a guarantee.Significant increases in performance and the creation of unique selling propositions for the customer are now achieved when the bearing manufacturer offers advice and carries out development work on the basis of wide-ranging system knowledge as well as being able to provide support through a range of service functions.It is through close partnership with the manufacturers of spindles and machine tools and through shared knowledge, founded on experience, of the requirements of end users and their customers that the potential exists for achieving a leading role in the market.

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Literature & catalogs

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