{"product_id":"timken-mm311k-ball-p4s-super-precision-bearing-del","title":"Timken MM311K Ball P4S Super Precision Bearing delivers ultra smooth, vibration-free performance for high-accuracy spindle applications, featuring a CR phenolic cage and superior static and dynamic radial ratings","description":"\u003cdiv\u003eTIMKEN MM311K Ball P4S Super Precision Bearing single unit\u003cbr\u003e\n✔️ Single-row sealed bearing: OD 120 mm, ID 55 mm, width 29 mm \u003cp\u003eThe TIMKEN MM311K Ball P4S is a high-precision, single-row ball bearing designed for exacting load and speed requirements in CNC machines, spindles, and automation systems.\u003c\/p\u003e \u003cp\u003e\n✅ OD 120 mm (4.7244 in), ID 55 mm (2.1654 in), width 29 mm (1.1417 in) \u003cbr\u003e\n✅ Static radial rating per row: 10000 lbf (44600 N) \u003cbr\u003e\n✅ Dynamic radial rating per row: 17800 lbf (72100 N) \u003cbr\u003e\n✅ Cage type CR - Phenolic inner land riding \u003cbr\u003e\n✅ Precision ISO P4S (ABEC 7\/9) \u003cbr\u003e\n✅ Limiting speed: grease 12500 rpm; oil 25000 rpm \u003cbr\u003e\n✅ Rows per set: Single \u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is a pillow block bearing used for in precision machinery?\nThese bearings provide sturdy shaft support and alignment in rotating assemblies.\n- Handy for CNC machines, conveyors, and robotics needing precise shaft support\n- Improves stiffness, reduces wobble, and helps maintain low runout\n- Lubrication and preload management extend bearing life in automated systems\u003c\/p\u003e \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52603185889599,"sku":"TIMKEN-5071280","price":3176.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/timken-mm311k-precision-bearing-phenolic-cage.jpg?v=1776624773","url":"https:\/\/bearingscanada.com\/products\/timken-mm311k-ball-p4s-super-precision-bearing-del","provider":"Bearings Canada","version":"1.0","type":"link"}