Surface Roughness:Ra 0.8 Torque Capacity:99 Structure:Other Model Number:6900-2RS1 6900VV 6900DDU 61900RS 6900 6900-2RS 6900RS 6900RZ 61900-2RS Coatings:Other Material:Steel Origin:Mainland China Certification:RoHS This section bearing feel smooth, low noise, long service life. Is suitable for motor, toys, model, instruments and meters, electric tools, communications equipment, fitness equipment and other fields. Welcome to purchase consulting, thank you! If you need other model bearing but Didn't find it on my store,Please contact me, thank you! Bearing online can buy have spot can place an order (to support a large number of wholesale), if there are special requirements or higher quality, Please contact me! For enterprises to provide professional supporting bearing, welcome consultation discussion! As a professional bearing products supplier with many years experiences,we could offer many kinds of good quality ball bearings. We are open to all sincere buyers, for further information, welcome to make inquiry, thank you for taking time to read our information!