R12 bearing-manufacture,factory,supplier from China

Against the backdrop of increasingly fierce competition in the global manufacturing industry, technological breakthroughs in domestically produced bearings have attracted widespread attention. On October 5, 2024, a well-known bearing manufacturing enterprise in China officially announced the launch of its new generation of high-precision bearing products at a press conference held in Beijing, marking a qualitative leap in China's technological level in the field of bearing manufacturing, and the accuracy has risen to the international advanced level.

Bearings are a common mechanical component used to support and rotate shafts in machines. As an important component of SFC bearings, the cage plays a role in fixing the position and separating the rolling elements, while also bearing the load of the bearing. The following will introduce three types of cages for SFC bearings, their respective characteristics, and different application environments.Conventional steel plate holderThe conventional steel plate cage is the most common type of bearing cage, which is formed by stamping two or more steel plates.

The metallurgical quality of bearing materials was once the main factor affecting the early failure of bearings. With the improvement of metallurgical technology (such as vacuum degassing of bearing steel), the quality of raw materials has been improved. The proportion of raw material quality factors in the failure analysis of overall eccentric bearings has significantly decreased, but it remains one of the main influencing factors of bearing failure.

Cast iron bearing seatAdvantages:Low cost: Cast iron materials are relatively inexpensive and suitable for situations with limited budgets.High hardness: In ordinary cutting processes, the hard and brittle nature of cast iron makes cutting easier.Suitable for low-speed, light load, and situations that do not require high-precision operation: The brittleness of cast iron may cause it to fracture when impacted, making it unsuitable for high-speed or heavy-duty environments.Disadvantages:Poor toughness: prone to rupture under heavy loads or high-speed operation.Not suitable for harsh environments

When designing and manufacturing rolling bearings, the selection of bearing materials is generally based on the following principles.1、 Select according to the working conditions of the bearings①. Working temperatureBearings working at room temperature are made of chromium bearing steel. Chromium bearing steel is also used for working temperatures above 150 ℃ and below 250 ℃, but it needs to undergo special heat treatment (requiring tempering at 200 ℃ or 300 ℃).②.

1. Correct mounting: Correct mounting is the first step to protect the bearing. Make sure you select the proper bearing type, the right amount of lubricant, and the correct mounting method. Follow the manufacturer's guidelines and recommendations to ensure that the bearing is properly installed and not over-pressurized or over-loosened. 2. Keep them clean: Bearings should always be kept clean. Prevent dust, dirt, liquids or other contaminants from entering the bearing. Clean the bearings regularly and make sure the surrounding environment is clean to avoid any possible damage.3.

Bearing steel is a steel used to manufacture balls, rollers, and bearing rings. Bearings bear great pressure and friction during operation, so it is required that the bearing steel has high and uniform hardness and wear resistance, as well as high elastic limit.

1. SKF launches new generation of ball bearing products: SKF, the world's leading bearing manufacturer, announces the launch of a new generation of ball bearing products. This new product has a longer service life and higher load carrying capacity while improving bearing performance and reliability. 2. NSK launched self-lubricating bearing technology: Japan's NSK recently launched an innovative self-lubricating bearing technology. This new technology can significantly reduce the friction and wear of bearings, improving the efficiency and service life of equipment. 3.

Process flow of bearing outer ring processing: Bearing steel ->Forging ->Annealing ->Turning ->Heat treatment ->Grinding ->Assembly ->Inspection ->Packaging and warehousingThe purpose of forging technology1. Forming: Control reasonable turning allowance.2. Obtain a high lifespan forging streamline distribution to ensure bearing life.3. Obtain the ideal metallographic structure and prepare for annealing and quenching.The purpose of annealing process1. Reduce hardness and prepare for machining.2. Obtain the ideal metallographic structure and prepare for quenching.3.

1. Overheating Overheating of the microstructure after quenching can be observed from the rough mouth of the SFC bearing parts. But to accurately determine the degree of overheating, it is necessary to observe the microstructure. If coarse needle like martensite appears in the quenched structure of GCr15 steel, it is a quenched overheated structure.