SKF Bearing 7009 CE/HCP4AL1

d=45.0mm, D=75.0mm, B=16.0mm, Mass bearing=0.22kg
Material: Bearing steels
In Stock:
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Specifications of SKF Bearing 7009 CE/HCP4AL1

SKF Bearing 7009 CE/HCP4AL1

Dimensions

d 45.0mm Bore diameter
D 75.0mm Outside diameter
B 16.0mm Width
d1 55.7mm Shoulder diameter of inner ring (large side face)
d2 53.6mm Shoulder diameter of inner ring (small side face)
D1 64.25mm Shoulder diameter of outer ring (large side face)
b 1.4mm Width of lubrication groove
C1 5.0mm Distance from outer ring side face to lubrication groove / lubrication hole
C2 3.0mm Distance from outer ring side face to O-ring groove
C3 3.0mm Distance from outer ring side face to O-ring groove
r1,2 1.0mm Chamfer dimension (large side face)
r3,4 0.6mm Chamfer dimension (small side face)
a 16.1mm Distance from side face to pressure point
SKF Bearing 7009 CE/HCP4AL1

Abutment dimensions

da 49.6mm Diameter of shaft abutment
db 49.6mm Diameter of shaft abutment
Da 70.4mm Diameter of housing abutment
Db 70.8mm Diameter of housing abutment
ra 1.0mm Radius of fillet
rb 0.6mm Radius of fillet
dn 57.6mm Position of oil nozzle

Calculation data

Basic dynamic load rating C 13.0kN
Basic static load rating C0 8.5kN
Fatigue load limit Pu 0.265kN
Attainable speed for grease lubrication 32000.0r/min
Attainable speed for oil-air lubrication 50000.0r/min
Contact angle u03b1 15.0u00b0
Ball diameter Dw 7.144mm
Number of balls z 21.0
Reference grease quantity Gref 3.4cmu00b3

Mass

Mass 0.22kg

Product description of SKF Bearing 7009 CE/HCP4AL1

SKF Bearing 7009 CE/HCP4AL1, It belongs to SKF Bearing > Super-precision bearings > Angular contact ball bearings > Super-precision.SKF Bearing 7009 CE/HCP4AL1, SKF manufactures super-precision angular contact ball bearings for shaft diameters from 6 to 360 mm. Application requirements vary, and as a result, the SKF assortment of super-precision angular contact ball bearings includes four ISO dimension series, in numerous executions. The wide selection of designs and variants enables them to be incorporated into virtually every machine tool application as well as other applications where precision bearings are required.

SKF Bearing 7009 CE/HCP4AL1, Single row SKF super-precision angular contact ball bearings are non-separable and, like all angular contact ball bearings, have raceways in the inner and outer rings that are displaced relative to each other in the direction of the bearing axis. This means that in addition to radial loads, these bearings can also accommodate axial loads in one direction. Radial loads induce axial forces in these bearings that need to be balanced by counter-forces. An angular contact ball bearing is, therefore, always adjusted against a second bearing or used in sets.

The ring shoulders can have a different height on one or both bearing rings. Every bearing has the largest possible number of balls, which are guided by a window-type cage. The SKF assortment of super-precision angular contact ball bearings includes bearings in the following dimension series: Ultra light 718 series Extremely light 719 series Light 70 series Robust 72 series

SKF Bearing 7009 CE/HCP4AL1, The cross sections of the four bearing series are compared for the same bore and same outside diameters. Each bearing series has characteristic features that make it particularly suitable for certain bearing applications.

Super-precision angular contact ball bearings are manufactured with the following contact angles (fig. 3): A 15° contact angle, designation suffix C A 25° contact angle, designation suffix AC For S70 W series bearings, the contact angle is 18° (designation suffix F). For other series, bearings with an 18° contact angle (designation suffix F), are available on request. A larger contact angle provides a higher degree of axial stiffness and a higher axial load carrying capacity. However, speed capability, radial stiffness, and radial load carrying capacity are reduced.

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