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  • ZZ BEARING can Produce Differernt Size Steel Needle Roller for You
    • Mar , 15 2021

    ZZ BEARING can produce needle roller OEM and ODM . You just need let me know the diameter data Length, and torleance , Below here is one of example for you : Material GCR15 size 2*7.7mm diameter tolerance -0.003/-0.01mm length tolerance -0.2/-0.3mm hardness 58/62HRC For material:can be with chrome steel, carbon steel, stainless steel, plastic. For size we can produce as your need ,such as 10*22.8...

  • Are bearings made of stainless steel?
    • May , 13 2021

    Large part of ball bearings are made of Chrome steel Gcr15 material; With the requirement of application and durability,bearings are also produced by different mateial such as stainless steel, ceramics and plastic. ZZ BEARINGS are professional factory to produce stainless steel bearings ,we can produce with stainless steel 420 bearing , stainless steel 316 bearing , stainless steel304 bearing ,yo...

  • What is a Pillow Block Bearing Used for?
    • May , 23 2021

    Pillow block bearing is actually a variant of the deep groove ball bearing,the outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. Pollow block bearings mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial ...

  • Miniature Bearing Size Chart
    • May , 29 2021

    ZZ BEARINGS can produce different miniature ball bearing,such as in metric series 68, 69 and 60, R series. Those small bearing can be produce with ZZ or 2RS .  ZZ  means steel plate dust cover , RS rubber sealing ring. For material,we can produce with stainless steel series, ceramic ball series, etc. Micro bearing is suitable for various industrial equipment, small rotary motor, such as...

  • What Is a Rod End Bearing?
    • Jun , 23 2021

    Rod end spherical plain bearing is a kind of spherical plain bearing with rod end or installed on rod end, which belongs to a kind of spherical plain bearing. Spherical plain bearing is mainly composed of an inner ring with an outer sphere and an outer ring with an inner sphere, which can bear large load. According to its different types and structures, it can bear radial load, axial load or combi...

  • Ball Bearings Shileds and Seal Types
    • Jun , 23 2021

    Ball Bearings Closures Types : Deep groove ball bearing can be divided into open type and closed type. And closed type is divided into rubber cover seal and metal shield cover seal The difference is that: The open type bearing has the advantages of small resistance, good idling and high speed, which is suitable for the interior of machinery Rubber seal bearing has small resistance, high speed, str...

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