XR882055 type bearing product overview:
Crossed tapered roller bearing is composed of two columns perpendicular bearing raceway cross arranged in 90 degrees of a set of conical roller, roller separated with nylon isolation between fast, to prevent the tilt of the roller and the friction between the roller, reduces the rotary torque, he can bear radial load, joint load, axial load and overturning moment. The bearing has a constant high rotary precision, and the commonly used precision is p4/p5. The cross taper roller bearing adopts large taper Angle and conical geometry design to make the overall effective span of the bearing larger. The ultimate speed is much higher than that of cross - cylinder roller bearings, and the friction torque is also lower than that of cross - cylinder roller bearings.

Main characteristics and application fields of XR882055 bearing:
High precision: the precision can reach P4 level
High rigidity: this series of bearings are preloaded and adjustable for optimum preloading.
High bearing capacity: able to withstand axial load, radial load, capsizing load, good anti-capsizing rigidity.
High speed: the rolling body rolls purely in the course of motion, so the ultimate speed is higher than the cross

cylinder roller bearing.
Low friction: the friction torque is much lower than that of cross cylinder roller bearing, and the starting torque is low. Compact design, small installation space required.
Used in limited space, low rotating center of mass, high speed required, such as, industrial robots, machine precision circular indexing table, vertical and horizontal boring machine, vertical grinding machine, rotary surface grinding machine, vertical lathe, large gear hobbing machine, turret, and so on.
Coordination and installation:
Cross taper roller bearings are not required in the configuration of other types of bearings. The dimension change caused by thermal expansion and cold shrinkage has no effect on cross roller bearing. In order to improve the steel performance, the inner, outer diameter and shaft of this kind of bearing are over-filled.

Answer common questions;
Is the radial clearance of the bearing smaller the better?
Not all bearings require minimum working clearance, according to the conditions can be selected suitable clearance. Of the five sets of radial clearance of rolling bearing, group 0 is the basic clearance. The basic radial clearance is suitable for general operating conditions, normal temperature and commonly used overfilling fit. Under special conditions such as high temperature, high speed, low noise and low friction, smaller radial clearance is used for bearings. A small amount of working clearance can be maintained for roller bearings. Working clearance after bearing installation; The clearance is smaller than the original clearance before installation, which is because the bearing rotates under a certain load, and the amount of elastic deformation caused by bearing fit and load.
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