{"product_id":"niart-16-pack-fidget-spinner-bearing-cap-replacement-set-mr137-high-speed-13x7x4mm-chrome-steel-bearings","title":"NiArt 16 Pack Fidget Spinner Bearing \u0026 Cap Replacement Set — MR137 High-Speed 13x7x4mm Chrome Steel Bearings","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eNiArt presents the 16 Pack Fidget Spinner Bearing and Cap Replacement Set, a thoughtfully designed kit for DIY spin enthusiasts. This bundle brings together 16 MR137 precision high-speed bearings with blue plastic seals and 16 pairs of black caps, all sized for reliable compatibility. The bearings measure approximately 7 mm inner diameter, 13 mm outer diameter, and 4 mm thick, making them suitable for a range of spinner builds and replacements.\u003c\/p\u003e\n\u003cp\u003eQuality from inside out: the MR137 bearings are crafted from stainless steel for durability and corrosion resistance, with machine-polished inner and outer races that ensure smooth, high-speed rolling. The one-side seal on each bearing helps keep lubricants in and contaminants out, supporting longer life and steadier spins in everyday use.\u003c\/p\u003e\n\u003cp\u003eThe caps, made from ABS plastic, are lightweight yet sturdy. They snap into place with ease, making installation and removal straightforward for both fresh builds and lost-component replacements. This set is designed for versatility—use it to replace worn parts, refresh an old spinner, or craft a unique new design.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16 MR137 precision high-speed bearings with blue seals (13x7x4 mm)\u003c\/li\u003e\n\u003cli\u003e16 pairs of black bearing caps (approx. 2.1 cm diameter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced speed and precision: polished races and high-quality stainless steel support smooth, fast rotations.\u003c\/li\u003e\n\u003cli\u003eDurability and longevity: corrosion-resistant materials stand up to regular use and environmental exposure.\u003c\/li\u003e\n\u003cli\u003eProtection against contaminants: one-side seals help reduce dust and moisture entry while preserving lubrication.\u003c\/li\u003e\n\u003cli\u003eVersatile compatibility: designed to fit MR137 bearings, suitable for a wide variety of spinner builds and DIY projects.\u003c\/li\u003e\n\u003cli\u003eEasy installation and maintenance: lightweight ABS caps are simple to install and remove without fuss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eReal-world scenarios often involve creative projects, replacements after part loss, or performance-focused DIY builds. Users report a satisfying balance of feel and speed, whether spinning solo, performing tricks, or integrating the parts into a custom spinner frame. The combination of a compact 13x7x4 mm bearing with a durable black cap provides a neat, stable core that can be swapped in and out with minimal tools.\u003c\/p\u003e\n\n\u003ch3\u003eQuality \u0026amp; Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured to rigorous QC standards with extensive testing to ensure consistency in size and finish.\u003c\/li\u003e\n\u003cli\u003eSafety note: small parts. Not for children under 3 years. Adult supervision recommended for younger users during assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWith NiArt, focus remains on practical benefits that users can enjoy: smoother spins, cleaner lines, and the freedom to customize or repair without committing to a full replacement. While results vary with your spinner design and technique, this replacement set offers reliable components that can help you explore new possibilities in your fidget projects.\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 16 Pack Fidget Spinner Bearing and Cap Replacement Set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 16 MR137 bearings with blue seals and 16 pairs of black caps, each bearing sized 13x7x4 mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these bearings compatible with standard fidget spinners?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They follow MR137 specs (inner diameter 7 mm, outer diameter 13 mm, thickness 4 mm); compatibility depends on your spinner’s dimensions and cap fit.\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":52915617464544,"sku":"B0B6TWH992","price":36.3,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.carouselstore.co.uk\/products\/niart-16-pack-fidget-spinner-bearing-cap-replacement-set-mr137-high-speed-13x7x4mm-chrome-steel-bearings","provider":"Carousel Store","version":"1.0","type":"link"}