{"product_id":"b539ddx-sealed-extra-light-torque","title":"B539DDX Sealed Extra Light Torque Tube Type Airframe Control Bearing 3\/4\" x 1-7\/8\" x 9\/32\"","description":"\u003cp\u003e\u003cstrong\u003eB539DDX Airframe Control Bearing - Sealed\u003c\/strong\u003e\u003cbr\u003e✔️ 3\/4\" x 1 7\/8\" x 9\/32\" - Extra Light Torque Tube Style - Non-Aircraft Use\u003c\/p\u003e\n\u003cp\u003eThe B539DDX is an extra light-duty airframe control bearing built for smooth operation in demanding mechanical systems - not certified for flight use. This sealed, full-complement bearing features 24 balls and is made from high-carbon chromium-alloy steel. Ideal for control linkages, motion systems, and equipment requiring low rotational resistance and compact design.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 3\/4\" inner x 1 7\/8\" outer x 9\/32\" width\u003cbr\u003e✅ Type: Extra light torque tube ball bearing\u003cbr\u003e✅ Ball count: 24\u003cbr\u003e✅ Material: High-carbon chromium-alloy steel (not cadmium plated)\u003cbr\u003e✅ Lubrication: Light preservative oil\u003cbr\u003e✅ Radial load capacity: 3,750 lbf\u003cbr\u003e✅ Thrust load capacity: 1,700 lbf\u003cbr\u003e✅ Configuration: Full complement, single row\u003cbr\u003e✅ Quantity: 1 bearing\u003cbr\u003e✅ Note: Not for certified aircraft use\u003c\/p\u003e\n\u003cp\u003e💡 \u003cem\u003eWhat is a torque tube bearing used for?\u003c\/em\u003e\u003cbr\u003eTorque tube bearings are commonly used in control systems, robotic arms, and light motion assemblies where compact, low-resistance rotation is required. They're built for precision movement - not high speed or flight-critical applications.\u003c\/p\u003e\n\u003cp\u003eIdeal for motion control setups and non-aircraft engineering tasks needing tight tolerance and smooth rotation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49313155940545,"sku":"B539D-AIRFRAME-CONTROL-BEARING","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/1_78158cff-064e-49cb-b12a-bf2fd214758a.jpg?v=1748647326","url":"https:\/\/smallbearings.com\/ar\/products\/b539ddx-sealed-extra-light-torque","provider":"Small Bearings","version":"1.0","type":"link"}