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  • How to Install Pillow Block Bearings
    • May , 10 2020

    The insert ball bearings are type of deep groove ball bearing, with spherical surface and can be fitted into the corresponding concave spherical surface of the bearing seat to play a self-aligning role. Pillow Block Bearings are preferred for applications requiring simple equipment and components, such as agricultural machinery, transportation systems, or construction machinery. Do you know How to...

  • What Is A Pillow Block Bearing Used For?
    • May , 10 2020

    The pillow block bearings are consist with Chrome steel Gcr15 insert ball bearing and cast  iron bearing unit . The internal structure of the pillow block bearings are the same as the deep groove ball bearing, but the inner ring of this bearing is wider than the outer ring. The outer ring has a truncated spherical outer surface, which can be automatically aligned with the concave spherical su...

  • Why Bearings Will Rust?
    • May , 11 2020

    The main causes of bearing corrosion: 1. Metal surface  (corrosion of batteries with poor oxygen concentration). 2. The chemical composition and structure of the metal material itself. 3. The composition and pH value of the solution in contact with the metal surface. 4. Ambient temperature and humidity. 5. Various environmental media in contact with the metal surface. 6. Human sweat is also t...

  • Which Material Is Used To Make Bearings?
    • May , 24 2020

    There are so many type of bearing material ,such as : Chrome Steel - SAE 52100 Stainless Steel Carbon Steel Plastic Ceramic (ZRO2,SI3N4) Sic ,for high temperature bearings The most common bearings material is Chrome steel Gcr15 ,this material can produce all type all bearings ,such as ball bearing ,roller bearings . And ball bearings inner ring ,outer ring ,ball ,cage are produce with chrome steel...

  • What does ZZ mean in bearings?
    • May , 24 2020

    ZZ bearing means that it has metallic shields (yellow metal shield) on both the sides. With ZZ bearings ,bearings can long working life .because it can protect bearings far away from dust,and outside impurities go into bearing inside . We also have 2RS bearing (rubber seals ) You can choose what you need .

  • Bearing Tester
    • Jun , 11 2020

    ZZ BEARING focus on produce  high quality bearing for customers ,we have advanced bearings testing machines . Such as :Radial internal clearance meter , Bearing vibration inspection instrument ,Roundness measuring equipment,Grease leak  temperature test machine etc. We can produce bearing according to customized service ,you can send us your samples or drawing .

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