Product Description: Designed for CNC lathe in HIGH SPEED and HEAVY DUTY environment.Seven changeable points are designed to fit for different job requirements.Combination of double row angular –contact bearing, thrust bearing, and needle bearing.Adjustable bearing gap to achieve high accuracy.Shaft is made of alloy steel through heat treatment to Rc 60-62.Dust proof seal preventing cutting liquid and dust enter into bearing thus prolong service time. Product Features: Prime Quality NSK Ball Bearing system.Shank Size: Morse taper #4 Max RPM: 4,000.Prime quality NSK Ball Bearing system. Accuracy: 0.000197" Load Capacity: 2,640 lb. Center Point: 60 degree. Overall Length: 6.77" Outside Diameter: 2.17" Z Live Center is specializing in selling lathe centers. We are carrying over 200 different types of high quality lathe live centers and dead centers. All of our products are 100% inspected. Please feel free to contact us. We are open Monday through Friday 8:00 am to 6:.00pm Pacific Time. Product Returns:All of our products are in brand new condition. Returns are accepted for defect products or incorrect shipping within 30 days upon receiving only. Full refund or product replacement is at seller's discretion. Buyer is responsible for return shipment and insurance fee. Shipping and handling fee will not be returned. Feedback:Our goal is to keep a 5-STAR rating in all categories. If you have any questions regarding our products or services, please give us a chance for correction. Please do not leave a negative or neutral feedback. We will do our best to fix it. Thanks You! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application