China wholesale 4 Point Contact Ball Bearing Manufacturer – Bearing 6203 with high temperature grease of former holder – DEMY

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With state-of-the-art technologies and facilities, strict good quality regulate, reasonable cost, exceptional assistance and close co-operation with prospects, we're devoted to supplying the top benefit for our customers for Roller Chain Pulley, 22mm Ball Bearing, Chain Block Roller, Top quality, timely company and Aggressive cost, all win us a superior fame in xxx field despite the international intense competition.
China wholesale 4 Point Contact Ball Bearing Manufacturer – 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 4 Point Contact Ball Bearing Manufacturer –  Bearing 6203 with high temperature grease of former holder – DEMY detail pictures


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Our company insists all along the quality policy of "product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" and also the consistent purpose of "reputation very first, shopper first" for China wholesale 4 Point Contact Ball Bearing Manufacturer – Bearing 6203 with high temperature grease of former holder – DEMY, The product will supply to all over the world, such as: Suriname, Russia, Uruguay, We have been fully aware of our customer's needs. We deliver high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.
  • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Lulu from Uganda - 2017.01.28 18:53
    The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Doris from Thailand - 2018.10.01 14:14

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