{"product_id":"needle-roller-cage-kt152115c3-single-unit-15-mm-id","title":"Needle Roller Cage KT152115C3 Single Unit, 15 mm ID x 21 mm OD x 15 mm W, High Carbon Steel, C3 Tolerance, KT Series for Linear Slide Units and Machinery","description":"Single needle roller cage KT152115C3, 15 x 21 x 15 mm\u003cbr\u003e\n✔️ High carbon steel, C3 tolerance, KT Series, 15 mm bore\n\n\u003cp\u003eThis single needle roller cage (model KT152115C3) is a high-carbon-steel component that spaces and guides needle rollers inside needle-style bearings. It’s commonly used in linear slide units, precision gearboxes, and compact machinery where tight-fit roller alignment improves performance.\u003c\/p\u003e\n\n✅ Model: KT152115C3, KT Series, single unit\u003cbr\u003e\n✅ Bore (ID): 15 mm; Outside Diameter (OD): 21 mm; Width: 15 mm\u003cbr\u003e\n✅ Material: high carbon steel; C3 tolerance for roller diameter\u003cbr\u003e\n✅ Dynamic load capacity: 12600 N; Static load capacity: 13500 N; Max speed: 35000 rpm\u003cbr\u003e\n✅ Temperature rating: -20 to 120 deg C; Weight: 0.030 lb; SKU: 1911673\u003cbr\u003e\n\n\u003cp\u003e💡 What is a needle roller cage used for in linear slide units and compact machinery?\nA needle roller cage holds and spaces needle rollers to reduce friction, keep rollers aligned, and help bearings carry radial loads reliably in tight assemblies.\nHere’s why it's handy:\n- Keeps rollers evenly spaced for smooth motion in linear slide units and guide rails\n- Enhances load sharing and bearing life, useful alongside sealed ball bearing or ceramic components\n- Fits compact gearboxes, actuators, and automation equipment where space and precision matter\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511314346303,"sku":"1911673","price":23.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/d1ec78b1b85961bbab65c95ffc9331f5.png?v=1776639648","url":"https:\/\/bearingscanada.com\/products\/needle-roller-cage-kt152115c3-single-unit-15-mm-id","provider":"Bearings Canada","version":"1.0","type":"link"}