{"product_id":"single-kt121812c3-needle-roller-cage-12-mm-id-x-18","title":"Single KT121812C3 needle roller cage, 12 mm ID x 18 mm OD x 12 mm width, high carbon steel, C3 roller tolerance; compact for linear slide unit, gearbox, conveyor, sealed ball bearings","description":"Single KT121812C3 needle roller cage, 12 mm ID\u003cbr\u003e\n✔️ 12 mm ID x 18 mm OD x 12 mm width; High Carbon Steel; C3 tolerance\n\n\u003cp\u003eThis is a single needle roller cage (KT121812C3) that guides rollers inside compact needle bearings. Typically used in linear slide units, gearboxes, conveyor systems and other industrial motion assemblies.\u003c\/p\u003e\n\n✅ ID: 12 mm (inner diameter)\u003cbr\u003e\n✅ OD: 18 mm (outer diameter)\u003cbr\u003e\n✅ Width: 12 mm (cage thickness)\u003cbr\u003e\n✅ Material: High Carbon Steel\u003cbr\u003e\n✅ Roller tolerance: C3 (increased radial clearance)\u003cbr\u003e\n✅ Dynamic load capacity: 9030 N\u003cbr\u003e\n✅ Static load capacity: 8460 N\u003cbr\u003e\n✅ Max speed: 40000 rpm\u003cbr\u003e\n✅ Temperature rating: -20 to 120 deg C\u003cbr\u003e\n✅ Series\/model: KT121812C3, KT Series; sold each (single unit)\u003cbr\u003e\n✅ Weight: 0.020 lb; SKU 1911652\u003cbr\u003e\n\n\u003cp\u003e💡 What are the benefits of using needle roller cages in linear slide units and compact motion systems?\nNeedle roller cages keep rollers aligned, reduce friction, and save space in tight assemblies.\n- Improves load distribution in linear slide unit applications and reduces wear on sealed ball bearing assemblies.\n- Supports higher rpm and compact packaging for gearbox and conveyor motion needs.\n- Pairs well with ceramic elements to lower friction and boost temperature stability for industrial motion.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969447346411,"sku":"1911652","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/kt121812c3-needle-roller-cage-12x18x12-steel.png?v=1775239187","url":"https:\/\/vxb.com\/products\/single-kt121812c3-needle-roller-cage-12-mm-id-x-18","provider":"VXB Bearings","version":"1.0","type":"link"}