China wholesale Tungsten Carbide Ball Bearings Factories – Bearing 6203 with high temperature grease of former holder – DEMY

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We insist on offering premium quality creation with very good company concept, honest product sales along with the finest and fast assistance. it will bring you not only the premium quality item and huge profit, but the most significant is to occupy the endless market for 0.5 Mm Ball Bearing, Surplus Roller Chain, Hollow Roller Chain, Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products.
China wholesale Tungsten Carbide Ball Bearings Factories – Bearing 6203 with high temperature grease of former holder – DEMY Detail:

The precision of bearing contains precision and rotating accuaracy dimension precision is a project that mount on shafts, it includes inside diameter, outside diameter, width, chamfer size tolerance or allowed value.Geometric accuracy includ diameter deviation, average inner diameter deviation, out side diameter deviation, average diameter ring width deviation in single radial plane.rotation accuracy is rotating Pendulum, including the inner ring and outer ring radial swing and the axial runout, Side of inner ring and outer diameter surface perpendicularity tolerance range.Bearing precision grade from general grade 0 to 6, 5, grade 4 and grade 2, in turn, below is table comparison between preeision class of china GB 307 and other precision standard.Giant bearing precision grade is from grade 6, 5, 4 and 2 levels of four grades. 

The outer ring 11, the inner ring 12, and the ball 13 which are bearing components are 0.95 mass% or more and 1.10 mass% or less carbon, 0.05 mass% or more and less than 0.3 mass% silicon, 0.10 mass% or more and 0.50 mass% 11 A of outer ring raceways and 12 A of inner ring raceways which are the surface which consists of steel which consists of the following manganese, 1.30 mass% or more, and 2.00 mass% or less, and consists of steel which consists of remainder iron and an impurity, and contacts with other components. And the average nitrogen concentration in the surface layer regions 11B, 12B, and 13B which are regions within a depth of 20 μm from the ball rolling surface 13A are 0.2% by mass or more and 0.7% by mass or less, and in the surface layer regions 11B, 12B, 13B, 5 or more carbides with a diameter of 0.5 micrometer or less exist per 100 micrometer.

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China wholesale Tungsten Carbide Ball Bearings Factories –  Bearing 6203 with high temperature grease of former holder – DEMY detail pictures


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The organization upholds the philosophy of "Be No.1 in good quality, be rooted on credit history and trustworthiness for growth", will keep on to provide previous and new customers from home and overseas whole-heatedly for China wholesale Tungsten Carbide Ball Bearings Factories – Bearing 6203 with high temperature grease of former holder – DEMY, The product will supply to all over the world, such as: The Swiss, Albania, Puerto Rico, Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.
  • The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Jacqueline from Boston - 2017.11.11 11:41
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Anna from European - 2018.12.11 11:26

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