Japan NSK bearing production is cost-effective, and bearing price is determined by cost. The products of well-known enterprises have strict control over raw materials, production processes, etc. in the production process, which, on the basis of ensuring the quality of their products, also increases the cost accordingly, so the market price will not be very low! If the price is much lower than normal, it may be fake. It is recommended not to buy.
The appearance color of the bearing can fully reflect the material situation of the bearing products. Some manufacturers use large and small amount of steel products to reduce the steel model and replace the steel products with inferior ones. The appearance color of the bearing is mostly white. The partial green color of the coaxial bearing steel has obvious difference, and the color of the bearing can well identify these low-cost materials.