What material is the bearing made of
Release time:
2025-01-10
Bearings can also be made of porous metal materials such as bronze, aluminum based alloys, zinc based alloys, or non-metallic materials such as nylon and rubber. These materials have their own characteristics and are suitable for different working conditions and environments.
The main materials of bearings include high carbon chromium bearing steel, stainless steel, ceramics, plastics, etc.
high carbon chromium bearing steel
High carbon chromium bearing steel is one of the most commonly used materials in bearing manufacturing. It has high purity, high density, and uniform distribution of carbides, and has good
fatigue resistance. This material is widely used in various bearings, especially large or large section bearings, and its quenching and rigidity can be improved by adding elements such as
manganese or molybdenum.
stainless steel
Stainless steel bearings are commonly used in humid or corrosive environments, such as medical devices and food processing equipment. Stainless steel bearings have high precision and can
maintain stable performance under harsh conditions. AISI 440C stainless steel is a commonly used material with high carbon content and good hardening ability, suitable for high temperature
environments.
ceramics
Ceramic bearings are suitable for extremely harsh environments and have characteristics such as high temperature resistance, wear resistance, corrosion resistance, and insulation. Common
ceramic materials include zirconia (ZrO2), silicon nitride (Si3N4), and silicon carbide (SiC). These materials are oil-free and self-lubricating, suitable for high-speed operation.
Plastics
Plastic bearings are commonly used in food processing machinery and other applications that require physiological inertness. Plastic does not rust, has ductility and vibration absorption, can
reduce noise, and is suitable for contact with food.
Other materials
In addition, bearings can also be made of porous metal materials such as bronze, aluminum based alloys, zinc based alloys, or non-metallic materials such as nylon and rubber. These materials
have their own characteristics and are suitable for different working conditions and environments.
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Assembly and testing: After passing the inspection, the parts enter the assembly workshop for assembly, including the fitting of inner and outer rings, rolling elements, and cages, checking clearance, final inspection, and other steps, to finally complete the assembly of the bearing.
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