ROLLER BEARINGINNER DIAMETER: 50mm-700mm, OUTER DIAMETER: 80mm-1000mmQUALITY LEVEL: P0, P6, P5, P4MATERIAL USAGE: GCR15, GCR15SiMn AND CHROME STEEL, ETC.FEATURES: LOW NOISE & VIBRATION, HIGH SPEED & LONG LIFEQUALITY STANDARD: ISO9001:2000 STANDARD, WHOSE QUALITY CAN REACH THE SAME LEVEL AS JAPANESS AND EUROPEAN BEARINGS. ROLLER BEARINGS CAN SAVE SPACE, WEIGHT AND PRODUCTION COSTS, BY DELIBERATELY DISPLACING THE RINGS AXIALLY WITH RESPECT TO EACH OTHER. IT IS POSSIBLE TO ACCURATELYSET THE RADIAL INTERNAL CLEARANCE IN THE BEARING.SANTAI BEARING IS A PROFESSIONAL BEARING MANUFACTURER FOR MORE THAN 9 YEARS, WE INSIST PROVIDING THE BEST QUALITY OF GOODS AND SERVICE.SANTAI BEARING ACCEPTS SMALL QUANTITY ORDERS, APPOINTING CUSTOMERS TO THE MOST IMPORTANT POSITION, CAN ALSO PRODUCE DIFFERENT TYPES OF MATERIAL AND SIZE OF ROLLER BEARINGS PER CUSTOMERS' REQUIREMENTS.SANTAI BEARING CONSIDERS HONESTY AS FOUNDATION TO PURSUIT A MUTUAL SUCCESS WITH CUSTOMERS. IF YOU ARE INTERESTED IN ANY KIND OF OUR PRODUCTS, PLEASE FEEL FREE TO CONTACT US AT ANY TIME.CONTACT PERSION: MAGGIE TIANTEL: 0086-13840861010FAX: 0086-411-85599511