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  • 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...

  • What Kind of Ball Bearing is 6201-2RS-1/2?
    • Jun , 28 2021

    The 6201-2RS-1/2 and 6201-ZZ-1/2 is bearing with inner diameter with  1/2 inch (12.7mm) ball bearing, the outer diameter and height are same as standard at 32mm and 10 mm . The  6201-1/2 bearings are with inner diameter 12.7mm ,we are produce with material Chrome steel Gcr15 , and we can produce with metal shield (ZZ)and rubber seal(2RS) ,you can choose as you need for. And we can produc...

  • What is A Ball Thrust Bearing?
    • Jun , 30 2021

    Thrust Ball Bearings are consists of three parts: ball, retainer and both shaft and housing washers which contain grooves for the ball. The thrust ball bearing only can bear axial loads. For material of thrust ball bearing material ,we can produce with stainless steel 304 ,440 and Chrome steel Gcr15 . Application of thrust ball bearings can bear one side axial load and low speed, they can used for...

  • Are Blue Seal bearings any good?
    • Jul , 06 2021

    ZZ BEARINGS can produce with different color rubber seals color for you ,such as blue color ,red color and brown color . The most widely used color is black seals as below pictures . With different seal color ,the bearing quality are same ,just different customer will have different requirements . Such one of our custmoter want to replace old black bearing , to identify which one replace which on...

  • What is the Difference Between Thrust Bearing and Ball Bearing?
    • Jul , 11 2021

    Thrust ball bearing (Three-Piece Thrust Bearings and Washersis only suitable for bearing one side axial load) Deep groove ball bearing is mainly used to bear pure radial load, also can bear radial and axial load at the same time The deep groove ball bearing has the advantages of small friction coefficient, high limit speed and simple structure, Thrust ball bearing is mainly composed of shaft ring,...

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