{"product_id":"single-needle-roller-cage-kt121512c3-12-mm-id-x-15","title":"Single Needle Roller Cage KT121512C3, 12 mm ID x 15 mm OD x 12 mm W, High Carbon Steel C3 Tolerance, Precision Bearing Component for Linear Slide Units","description":"Single needle roller cage 12 mm ID × 15 mm OD × 12 mm W\u003cbr\u003e\n✔️ High carbon steel, C3 tolerance; 5590 N dyn, 40,000 RPM\n\n\u003cp\u003eCompact single-piece needle roller cage for linear slide units, compact shaft supports, and roller assemblies where space, precision, and high speed are required.\u003c\/p\u003e\n\n✅ Model: KT121512C3, KT Series, single piece\u003cbr\u003e\n✅ Dimensions: 12 mm ID, 15 mm OD, 12 mm width\u003cbr\u003e\n✅ Material: high carbon steel; C3 tolerance of roller diameter\u003cbr\u003e\n✅ Loads: dynamic 5590 N, static 7020 N\u003cbr\u003e\n✅ Performance: max 40,000 RPM, temperature -20 to 120 °C\u003cbr\u003e\n✅ Unit info: weight 0.010 lb, sold each, SKU 1911644\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller cage used for in linear slide units and compact assemblies?\nA needle roller cage keeps the rollers aligned and spaced to reduce friction and save radial space.\n- Improves load distribution in tight radial areas for bearing and roller assemblies, useful alongside sealed ball bearing setups\n- Enables precise motion and high-speed operation in linear slide unit applications and compact actuators\n- Maintains consistent roller spacing for reliable performance, especially with C3 tolerance components\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969319977195,"sku":"1911644","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/90ecfd0833ab57c602d189d38a60fc7a.png?v=1773719717","url":"https:\/\/vxb.com\/products\/single-needle-roller-cage-kt121512c3-12-mm-id-x-15","provider":"VXB Bearings","version":"1.0","type":"link"}