{"product_id":"20mm-id-42mm-od-deep-groove-ball-b","title":"20mm ID x 42mm OD Deep Groove Ball Bearing 20x42x12mm","description":"\u003cp\u003e9104K Open Ball Bearing\u003cbr\u003e✔️ 20x42x12mm - Chrome Steel - High-Speed Open Design\u003c\/p\u003e\n\u003cp\u003eThe 9104K is a high-speed single-row deep groove ball bearing with an open design for maximum RPM potential. Made from chrome steel, it’s a great fit for applications where airflow or re-lubrication access is needed, like electric motors, gearboxes, or precision tools.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 20mm ID x 42mm OD x 12mm Width\u003cbr\u003e✅ Dimensions (Inch): 0.78\" x 1.65\" x 0.47\"\u003cbr\u003e✅ Type: Single-Row Deep Groove Ball Bearing\u003cbr\u003e✅ Material: Chrome Steel\u003cbr\u003e✅ Closure: Open (no seals or shields)\u003cbr\u003e✅ Lubrication: Requires external or manual lubrication\u003cbr\u003e✅ Dynamic Load Rating: 5,600 N\u003cbr\u003e✅ Static Load Rating: 2,840 N\u003cbr\u003e✅ Max Speed: 24,000 RPM\u003cbr\u003e✅ Quantity: 1 Bearing\u003cbr\u003e✅ SKU: 6004Bearing\u003c\/p\u003e\n\u003cp\u003e💡 When should you choose an open bearing over a sealed or shielded one?\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eOpen bearings are ideal for high RPM environments where minimal drag is critical.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThey’re preferred when regular re-lubrication is possible and contamination risk is low.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommonly used in clean environments like lab tools, spindle assemblies, and low-dust machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOptimized for fast, friction-free rotation where maintenance access is available.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49313135132865,"sku":"9104K-BEARING","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/20mm-id-42mm-od-deep-groove-ball-bearing-20x42x12-vxb-ball-bearings-1-32680937324779_1c8ed1e8-770f-4a7b-abf2-298f94d28271.jpg?v=1748647317","url":"https:\/\/smallbearings.com\/zh\/products\/20mm-id-42mm-od-deep-groove-ball-b","provider":"Small Bearings","version":"1.0","type":"link"}