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View compareFrequently Asked Questions
- Q: What is included in the fidget spinner bearing and cap replacement set? A: This set includes twenty precision high-speed ball bearings and twenty pairs of ball bearing caps.
- Q: What are the dimensions of the MR137 ball bearings? A: The MR137 ball bearings have an inner diameter of seven millimeters, an outer diameter of thirteen millimeters, and a thickness of four millimeters.
- Q: What materials are the bearings made of? A: The bearings are made of high-quality stainless steel and plastic, ensuring durability and resistance to deformation.
- Q: How do I install the fidget spinner bearings? A: To install the bearings, simply remove the old bearings and caps from your fidget spinner and replace them with the new ones.
- Q: Are these bearings suitable for all fidget spinners? A: Yes, these MR137 bearings are compatible with various fidget spinner designs, making them versatile for many users.
- Q: Can I use these bearings for DIY projects? A: Absolutely! These bearings can be used for creating and replacing components in various DIY projects, including custom fidget spinners.
- Q: How should I clean the fidget spinner bearings? A: To clean the bearings, you can use a soft cloth and a mild cleaning solution, making sure to avoid harsh chemicals that could damage them.
- Q: Are the bearings and caps safe for children? A: No, the accessories contain small parts and are not suitable for children under three years due to choking hazards.
- Q: What is the recommended storage for the bearing set? A: Store the bearing set in a cool, dry place to prevent corrosion and ensure longevity.
- Q: How do these bearings compare to others on the market? A: These MR137 bearings offer higher speeds and precision compared to many standard bearings, making them ideal for high-performance fidget spinners.
- Q: What if the bearings arrive damaged? A: If the bearings arrive damaged, please contact customer support for assistance with a return or replacement.
- Q: Is there a warranty for the bearing set? A: Yes, this product typically comes with a limited warranty; check the packaging for specific details.
- Q: Can I use these bearings in other devices or toys? A: Yes, these bearings can be utilized in various devices and toys that require similar sizes and specifications.
- Q: How long can I expect these bearings to last? A: With proper care and minimal wear, these bearings can last for a significant time, reducing the need for frequent replacements.
- Q: Are these bearings resistant to water and dust? A: Yes, the MR137 bearings are sealed on one side to protect against contaminants like dust and water.
- Q: Do the caps come in different colors or sizes? A: In this set, the caps are available in black color and are designed to fit the MR137 bearings.

