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Stainless steel bearings manufacturer
 


Founded in 1995, CIXI WOLEE INDUSTRY CO., LTD has been specializing in manufacturing bearing accessories and bearings with a lot of experiences in bearing industry. With our business developing and expanding, in May 2015, we acquired CIXI MINHON TRADING CO LTD, that deals with our international business. We now not only produce bearings, but also other mechanical parts and components. Our professional engineers and workers have been especially trained, and worked in mechanical part industry for many years. We have advanced machining and testing equipment. We sincerely welcome any individual or company from all over the world to co-operate with us.

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Our Products
»  More Bearings Products
»   Embroidery Machine Bearings
»   R/C Bearings
»   Ceramic Bearings
»   Metal & Plastic Pulley
»   Single & Double Row Track Wheel Ball Bearings
»   Airframe Control/Aerospace Bearings
»  Stainless steel mirco thrust bearing
»  Stainless steel thrust ball bearing
»  Stainless steel external sphere ball bearings
»  Inch size stainless steel ball bearings
»  Metric size stainless steel ball bearings
»  Angular Contact Ball Bearings
Recommend
 
» Ball bearings Technical Note - 2008-03-06
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» Accuracy Standard - 2008-03-06

 



  Ball bearings Technical Note

Our standard producte is deep groove ball bearings.It is standard figure have four parts Inner ring,out ring ,ball and cage.If you want the closure bearings it is have metal closure and rubber seal closure.

The closure bearings are designed to prevent larger particles from entering the bearing and also to keep grease inside the bearing. The metal shield may be pressed into the bearings outer ring (non-removable) or retained by a circlip (removable).The shields make no contact with the inner ring.For stainless steel bearings we us AISI304 material  to make the shield.For the rubber seals closure have two design one it contact seals the other is non-contact seal.The standard bearing seal consists of nitrile rubber bonded to a metal washer.High temperature teflon seals (up to 250C) or Viton seals (up to 230C) are available on some sizes.The inner lip of the seal rubs against the bearing inner ring to provide an effective seal against smaller particles such as dust and moisture while preventing lubricant leakage. Contact seals produce much higher frictional torque levels than shields and reduce the maximum speed of a bearing.
The non-contact seal do not rub against the bearing inner ring and therefore do not have the same effect on bearing torque and maximum speed as contact seals so can be used for low torque, high speed applications.

For ring and ball our standard material is AISI440,440 grade stainless steel is the most commonly used for corrosion resistant ball bearings.The chromium reacts with oxygen in the air to form a chromium oxide layer, known as the passive film, on the surface of the steel. It is hardenable and gives a good combination of strength and corrosion resistance.Some time the client want to need non-magnetic bearings we use AISI316 material .Used for greater corrosion resistance or where bearings must be non-magnetic, bearings made from this material are semi-precision and fine for applications such as marine pulleys but not suitable for precision instrument use. The main problem here is that 316 grade stainless steel is non hardenable, therefore as a softer steel, it will only support low loads and low speeds. The dynamic load rating of a 316 grade bearing may only be 10% of the 440 grade equivalent whereas the maximum speed may be 5% or less of the 440 stainless steel version. 316 grade stainless steel exhibits good corrosion resistance in sea atmosphere and may perform well submerged in seawater.

  We use AISI304 materail cage in standard.We also can us nylon cage PTFE cage PEEK cage for stainless steel.The standard exterior is crown and ribbon.nylon cage standard is crown.AISI304 material is ribbon.Some time the clien also need full ball bearings it is about have more kind design if you need use full bearings please contact us.Full ball is no cage inner bearings.

2008-03-06
 

Contact info
» Add:31th Caosean Road Hushan Town Cixi City Zhejiang China.
» Tel: +86-574-81351007
» Fax: +86-574-63838786
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