Detailed description of the equipment of common rolling mill bearings

Source: China Bearing Network Time: 2018-03-26

/*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';

.1) Four-row tapered roller bearing tapered roller bearing can accept both radial force and axial force; no need to equip thrust bearing; therefore, the main machine becomes more compact. The inner diameter of tapered roller bearing is compatible with the roll neck. It is very convenient to install and disassemble; but sometimes it will cause sliding creep due to loose cooperation; therefore, the inner diameter is often processed with a spiral oil groove.
.2) Four-row cylindrical roller bearing + thrust bearing Cylindrical roller bearing inner diameter and roller neck are selected to cooperate closely; receive radial force; have large load capacity, high limit speed, high precision, inner and outer rings can be separated and can be exchanged, The processing is simple, the production cost is low, the device is easy to disassemble, and the thrust bearing receives the axial force; the detailed layout type can be selected according to the characteristics of the rolling mill.
Heavy-duty at low speed; with thrust roller bearing; with small axial clearance to accept thrust load. When rolling speed is high; with angular touch ball bearing; not only high speed limit; The gap can be strictly controlled to make the roll get tight axial guidance; and can accept the usual axial load force.
.3) Spherical Roller Bearings The early rolling mill bearings are not the same type of equipment on the rolling mills; at the same time, two sets of spherical roller bearings are used side by side on the same roll neck. This type of equipment is completely satisfactory. Production conditions; rolling speed up to 600 rpm. But with the advancement of speed; its defects become more and more outstanding: short bearing life, large cost, low precision of the product, severe wear of the roll neck, large axial roll of the roll, etc.

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