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1, separable bearings (precision)
This is a ring of rolling bearings can be mounted separately, when both rings are a tight fit, the advantage is highlighted.
2, precision
Most of the dimensional and running accuracy of rolling bearings in General would have been enough. When more is required, bearing requires a higher level of accuracy,
3, no neutral compensation
Does not appear neutral in the journal surface processing when the surface or housing, particularly in conjunction with surface processing is not completed in a single card. Misalignment can also arise when the housing, (for example: flange housings and Plummer). The shaft deformation due to work load, causing the inner and outer rings of the bearing tilts, will also appear wrong.
4, speed
Improve dimensional accuracy of the bearing, rotating parts of the accuracy and the precision, lubrication and cooling, using a special form of cage can boost allows the rotational speed of the bearing.
5, conical hole
Most of the self-aligning ball bearings with a tapered bore, drum-shaped roller bearings and spherical roller bearings are available from install an adapter sleeve on a cylindrical shaft seating. The bearings are particularly easy to install and remove.
6, stiffness
The stiffness of the bearing is usually needed to have some elastic deformation of the bearing. Machine tool spindle bearings on the shaft and pinion requires a high degree of stiffness. Because of the rolling element and the Raceway contact is different stiffness than ball bearings roller bearings stiffness and high.
7, friction
Apart from heating and cooling, internal friction on the bearing operating temperature also plays an important role. Low-friction bearing: radial load for deep groove ball bearings, single row angular contact ball bearings and cylindrical roller bearings with a cage. Contact sealed bearings, full complement cylindrical roller bearing and thrust roller bearings will have more friction.
8, radial bearing load
Main radial load bearing for radial spherical plain bearings. These bearings the nominal contact angle A0<=45 0. Rain roller bearing of the same larger than the ball bearings can accommodate radial loads.
Type n and type NU cylindrical roller bearings can only accommodate radial loads, other types of radial rolling bearings can accommodate radial loads, can also be subjected to an axial load.
9, bearing axial load
Main thrust bearings with axial load of bearing is, its nominal contact corner A0>450. Thrust angular contact ball bearings and thrust bearings depending on the structure can be subjected to axial force in one or both directions. When subjected to special optimization of high thrust force cylindrical roller bearings and spherical roller thrust bearings.
Thrust spherical roller bearings and single direction angular contact thrust ball bearings can accommodate axial and radial loads simultaneously, the other thrust bearings can only accommodate axial loads.
10, bearing its own length compensation
Supporting a shaft and bearings are normally used fixed-free bearing and bearing combination structure. Free bearing compensation the length error and thermal expansion of the shaft.
NU-type and n-type cylindrical roller bearing is a kind of free bearing, the bearing itself and to compensate for the length. Bearing inner and outer rings with a tight fit.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 120BTR10H NSK | 120 | 180 | 54 |
| 120BTR10S NSK | 120 | 180 | 54 |