{"product_id":"uc321-105mm-single-heavy-duty-wide-inner-ring-inse","title":"UC321 105mm single heavy-duty wide inner-ring insert with set-screw lock, ball bearing, spherical outer ring, contact seal with slinger, sealed for pillow block and linear slides","description":"Single 105mm UC321 wide inner-ring bearing for pillow blocks\u003cbr\u003e\n✔️ Heavy-duty set-screw lock insert, contact seal, relube port\n\n\u003cp\u003eThis single UC321 105mm insert ball bearing is a heavy-duty sealed unit used in pillow block housings and linear slide units for industrial machines, conveyors, and motor mounts. It’s built for applications needing a set-screw lock and relubrication access.\u003c\/p\u003e\n\n✅ Model: UC321 single insert, general purpose\u003cbr\u003e\n✅ I.D.: 105 mm\u003cbr\u003e\n✅ Inner ring width: Wide\u003cbr\u003e\n✅ Insert type\/material: Ball bearing, bearing steel\u003cbr\u003e\n✅ Locking: Set-screw locking design\u003cbr\u003e\n✅ O.D. style: Spherical outer ring\u003cbr\u003e\n✅ Seal: Contact seal with slinger, sealed ball bearing\u003cbr\u003e\n✅ Relubrication: Yes, grease port available\u003cbr\u003e\n✅ Dynamic load rating: 18700 kgf\u003cbr\u003e\n✅ Static load rating: 15600 kgf\u003cbr\u003e\n✅ High temp rating: 212 F\n\n\u003cp\u003e💡 What is a pillow block bearing insert used for in industrial equipment?\u003c\/p\u003e\nA pillow block bearing insert supports a rotating shaft inside a mounted housing, reducing friction and allowing quick replacement when worn.\nThis short intro explains common uses and benefits:\n- Supports radial and moderate axial loads in conveyor, motor, and gearbox mounts\n- Fits pillow block housings and linear slide units for fast swap maintenance and reduced downtime\n- Sealed ball bearing inserts protect against contamination while allowing relubrication for long service life\n- Handy choice when you need a heavy-duty, set-screw locked insert for industrial applications","brand":"MRO","offers":[{"title":"Default Title","offer_id":47971499245803,"sku":"MRO1394","price":1522.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/vxb-bearings-collection_eac452af-a405-474d-a881-9bf9e4d7f063.png?v=1775240780","url":"https:\/\/vxb.com\/products\/uc321-105mm-single-heavy-duty-wide-inner-ring-inse","provider":"VXB Bearings","version":"1.0","type":"link"}