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Bearing FAQs

Bearing FAQs

We have assembled a wide variety of frequently asked questions (FAQs) about bearings (e.g. ball bearings, roller bearings, plain bearings, linear bearings) and bearing related products (and bearing services too). Just click on the question you're interested in below and you will be taken to a remarkably succinct, straight-forward, and accurate answer:

Q1. Are AST's rolling element bearings RoHS compliant?

Q2. How do I get a copy of AST's ISO 9001:2008 certification?

Q3. Can bearings be refurbished?

Q4. What's the difference between bearing seals and shields?

Q5. What are ABEC ratings?

Q6. Does a higher ABEC rating mean a quieter bearing?

Q7. How can I ensure I select the right bearing for my application?

Q8. What are ABEC and ISO precision level equivalencies?

Q9. What are "precision" versus "high-precision" ball bearings?

Q10. Bearing Shelf Life - What is the shelf life of a bearing?

Q11. What is a Torque Tube Bearing or a Thinex Bearing?

Q12. What are Super Precision, Super High Precision, versus Ultra Precision bearings?

Q13. What bearing grease is the "best?"

Q14. Does AST Bearings offer custom or made-to-order bearings?

Q15. Will a stainless steel bearing protect against rust?

Q16. How fast can a bearing rotate?

Q17. How is bearing material hardness measured?

Q18. What is a Spherical Bearing?

Q19. What are flanged ball bearings?

Q20. What is an Axial Needle Bearing or Axial Needle Roller Bearing?

Did we miss something? If you have another answer for us, just let us know and we will do our best to provide you a prompt and accurate answer. AST Bearings provides "value beyond the part."


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