{"product_id":"niart-20-pack-fidget-spinner-bearing-cap-replacement-set-mr137-13x7x4mm-chrome-steel-bearings","title":"NiArt 20 Pack Fidget Spinner Bearing \u0026 Cap Replacement Set – MR137 13x7x4mm Chrome Steel Bearings","description":"\u003ch2\u003eUpgrade your fidget spinner with a versatile replacement kit\u003c\/h2\u003e\n\u003cp\u003eDiscover a practical, all in one solution for refreshing your fidget spinner projects. The NiArt 20 pack combines precision MR137 bearings with durable caps, designed for smooth spins, reliable durability, and easy swaps. This kit is ideal for hobbyists and creators who want to refresh old frames or experiment with new feels and looks without buying parts piece by piece.\u003c\/p\u003e\n\u003ch2\u003eWhat’s inside and key specs\u003c\/h2\u003e\n\u003cp\u003eInside the package you will find 20 MR137 bearings with blue seals and 20 pairs of black caps. Bearing measurements are inner diameter 7 mm, outer diameter 13 mm, and thickness 4 mm, while the caps measure about 21 mm in diameter. This pairing provides a balanced fit for many common spinner designs while keeping components tightly aligned during fast spins.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality and durability\u003c\/strong\u003e The bearings combine stainless steel races with durable plastic seals for long lasting performance and resistance to deformation under regular use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSealed for protection\u003c\/strong\u003e One side sealing helps keep lubrication in and contaminants out, aiding smooth operation over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth, high speed rolling\u003c\/strong\u003e Polished inner and outer races reduce friction for more consistent spins.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap compatibility\u003c\/strong\u003e ABS caps are lightweight yet sturdy and easy to install or remove for quick upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVersatile uses for DIY spinner projects\u003c\/h2\u003e\n\u003cp\u003eThis set is suited for a variety of spinner needs, from replacements to creative builds. Whether you are replacing lost components or experimenting with different weights and textures, these parts offer flexibility without committing to a single look or feel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement parts for worn or missing bearings and caps\u003c\/li\u003e\n  \u003cli\u003eDIY spinner customization and frame upgrades\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of standard MR137 style designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy installation tips and safety\u003c\/h2\u003e\n\u003cp\u003eTo install, detach the old parts, clean the bearing seats, align the new MR137 bearing, and press in the cap. Test spin and reapply lubrication if needed. Safety note small parts should be kept away from children under three years old and proper supervision is advised during use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the NiArt 20 Pack Fidget Spinner Bearing and Cap Replacement Set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 20 MR137 bearings with blue seals and 20 black caps for replacements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these parts compatible with DIY spinner projects?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, designed for easy swap-in and upgrades in compatible fidget spinner builds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Playvia | Best-Selling Toys, Games \u0026 Learning in the UK","offers":[{"title":"Default Title","offer_id":52916773945568,"sku":"B09JB4J156","price":42.56,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.carouselstore.co.uk\/products\/niart-20-pack-fidget-spinner-bearing-cap-replacement-set-mr137-13x7x4mm-chrome-steel-bearings","provider":"Carousel Store","version":"1.0","type":"link"}