Description of superfine cylindrical roller bearings

Source: China Bearing Network Time: 2013-07-27

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The high-precision cylindrical roller bearing of ultra-fine cylindrical roller bearing is one of the products of HRB Songbei Seiko ultra-fine series. Songbei Seiko can supply high-precision products of N10 and NN30 series; together with N19 Some of the selected scale products with the NNU49 series. Because the linear expansion that occurs during rotation can be compensated by the float between the rollers and the raceway; therefore they are the augmented floating end bearings. In addition; radial cylindrical rolls Sub-bearings also have a very high radial imparting.
The floating bearing is simply a single row bearing; therefore, the product is widely used as a floating bearing. In addition; it is also used for bearing equipment with the following requirements:
â— Radial stiffness â— High axial load capacity â— and high precision in these applications; axial load is usually carried out by 2344 series two-way thrust angle contact ball bearings.
Bearing Drawing Specification Cylindrical roller bearings have tapered bores (taper 1:12); to precisely adjust radial clearance. Thus; required radial clearance or radial preload; available on tapered spindles The axial displacement is adjusted. The hybrid ceramic roller bearing made of ceramic material is our new product. The choice of ceramic roller has a significant improvement in the conflict and wear function of the bearing.
This reduces the amount of smoothing agent; together reduces the temperature. Thus; can reach higher transmission speed; the service life is also significantly longer. Again; ceramic rollers add static and dynamic rigidity; and because of thermal expansion The large coefficient is low; the preload added when the temperature rises is eliminated. Because the inner and outer ring raceways and the roller surface are of very good quality; the HRB cylindrical roller bearing is uniquely suitable for grease smoothness because it has a ring on the bearing. Two ribs; so the smooth grease spread process needs to be treated with special care.
It is assumed that the oil is smooth; it should be noted that compared with the angular touch ball bearing; the oil required for this product is relatively smooth. It is assumed that the two types of bearings are installed side by side; it is necessary to adhere to the independent oil circuit; The remaining smooth oil of the bearing is written; the formation is excessively smooth; the bearing temperature rises.

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