China wholesale Ball Bearing Lead Screw Supplier – Bearing 6203 with high temperature grease of former holder – DEMY

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Our corporation insists all along the quality policy of "product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" plus the consistent purpose of "reputation very first, purchaser first" for Imperial Ball Bearings, 2 Inch Ball Bearing, Sidebow Chain, Our Enterprise Core Principle: The prestige 1st ;The quality guarantee ;The customer are supreme.
China wholesale Ball Bearing Lead Screw Supplier – 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 Ball Bearing Lead Screw Supplier –  Bearing 6203 with high temperature grease of former holder – DEMY detail pictures


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We always think and practice corresponding to the change of circumstance, and grow up. We purpose at the achievement of a richer mind and body as well as the living for China wholesale Ball Bearing Lead Screw Supplier – Bearing 6203 with high temperature grease of former holder – DEMY, The product will supply to all over the world, such as: Armenia, Malta, Sri Lanka, Our company will adhere to "Quality first, , perfection forever, people-oriented , technology innovation"business philosophy. Hard work to keep making progress, innovation in the industry, make every effort to first-class enterprise. We try our best to build the scientific management model, to learn abundant skilled knowledge, to develop advanced production equipment and production process , to create the first-call quality solutions, reasonable price , high quality of service , quick delivery , to offer you create new value .
  • The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Candance from Portland - 2018.02.08 16:45
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Harriet from Portugal - 2017.09.26 12:12

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