What are the advantages of high precision cylindrical roller bearings-

Lathe spindles have high requirements for bearing transmission accuracy. Under the premise of high rigidity and high load-carrying capacity, high-precision cylindrical roller bearings achieve a better combination of high-speed rotation characteristics and small section heights. A smaller section height makes the wheelbase shorter for multi-axis assembly. Cylindrical roller bearings are ideal candidates for rolling bearings because they allow thermally limited length changes in mating parts to be compensated. There are many configurations for high-precision cylindrical roller bearings used in CNC lathes. Specification series 19 and 10 produce single-row ball bearings, while specification series 30 and 49 produce double-row ball bearings. The diameter and outer diameter of single-row and double-row cylindrical roller bearings are in the range of multiple bore diameter series. completely consistent within. High-precision cylindrical roller bearings with tapered bores are marked with the suffix K and manufactured according to a taper of 1:12. Mainly used in CNC lathe manufacturing, the tapered hole needs to adjust the radial clearance and preload according to the radial movement of the tapered support surface during assembly. High-precision cylindrical roller bearings combine load-carrying capacity, bending stiffness and achievable speed ratio in the most ideal way. Bearings with NNU structure can achieve a strong bending stiffness of the system in a very low assembly support, while compared with As far as the structure NN is concerned, its carrying capacity is lower. Only when the torque is accurate can the rotation be stable!

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