Date: 2013-08-20

SKF bearings of different material types and maintenance methods

Applied materials embodied the SKF bearings SKF bearing performance of the most basic, and therefore, the world's top SKF bearings are the best in the material.
Rolling bearing rings and rolling elements, high contact pressure on the side repeatedly, accompanied by sliding the side of rolling contact. Retainer, side with rings and rolling elements on both sides, or one side sliding contact, side of tension and compression forces. Therefore, SKF bearing rings, rolling elements and cage materials, performance, the main requirements are as follows.
Ring, rolling element materials required by the performance:
Rolling fatigue strength of high hardness and high abrasion resistance
Cage materials required by the performance:
Good dimensional stability, good mechanical strength
In addition, you also need good processing. According to different purposes, also requires its impact resistance, heat resistance, good corrosion resistance.
Ring and rolling element materials:
Rings and rolling elements typically use high-carbon chromium bearing steel. Most SKF bearing, using the JIS steel SUJ2 in. Large bearing using SUJ3.
Further need impact resistant case, SKF bearing materials using chromium steel, chromium-molybdenum steel, Nickel-chromium-molybdenum, permeability of carbon steel quenched, the steel from the surface to the right has a hardened layer. Close has the appropriate hardening depths, organization, suitable hardness of permeability of carbon surface and core hardness of SKF bearings, SKF bearings with bearing steel with excellent impact resistance, permeability of carbon steel used for SKF bearings in general chemical composition.
Implemented vacuum degassing of SKF bearing, so, the materials used by high detergency, low oxygen content, good quality. Proceeded to adopt appropriate heat treatment, enables SKF bearing rolling fatigue life significantly increase.

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