XSA140944N Cross Roller Bearing
The XSA140944N bearing is a cross roller slewing bearing with an inner diameter of 874 mm , an outer diameter of 1046.1 mm, a width of 56 mm. It typically uses P0,P6,P5,P4,P2 grade precision tolerances and no type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
XSA140944N cross roller bearing
Inner diameter:10 - 1000 mm
Outer diameter:36 - 1250 mm
Width:8~110mm
Weight:0.04~360Kg
Model Number:RA,RA-C,RB,CRBC,CRBH,RC,RE,XSU,RU,XR,SX
Precision Rating: P0,P6,P5,P4,P2
Seals Type:Rubber Seal
Ring Material:42CrMo, 50Mn, steel 45#
Rolling Element:Chrome steel GCr15 or GCr15SiMn
Accuracy Grade:P0,P6,P5,P4,P2
Normalizing Hardness:187HB-241HB
Quench & Temper Hardness:229HB-269HB
Raceway hardness after quenching: 55HRC-62HRC
XSA140944N cross roller bearing because of its vertical arrangement of cylindrical roller with a 90°V groove through the separate spacers in the deep groove rolling surface. This design allows just one bearing to receive loads in all directions including radial, axial and moment load.
At the same time, cross roller bearing is a light weight, compact type with thinnest possible inner and outer rings, especially for the thinnest, with high rigidity.
The spacers fitting among cross arranged rollers prevents rollers from skewing and the rotation torque from increasing due to friction between rollers. The spaces keeps rollers in their proper position, thereby preventing them from skewing. It does nor cause unilateral contact of roller or locked rollers. Since the inner and outer rings are designed to be separable, the bearing clearance can be adjusted, in addition, a preload can be applied. These features enable accurate rotation.
The inner and outer rings, which are separable, are secured to the body after being installed with rollers and spacers. Therefore, it is easy to handle the rings when installing the cross roller bearing.
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