We – EPG Team the largest gearbox & motors , couplings and gears manufacturing facility in China with 5 various branches. For far more details: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828 we A tough shaft area accelerates seal use. But a completed floor that is too sleek will not assist hydrodynamic lubrication of the seal lip. Most oil-seal companies advise shaft surface roughness in between 10 and 20-m in. Ra.3 period motor powersupply one period electric powered motor windingchromed bar and tubes for hydualic and pheumatic cylinders, pto shaft, agricultural gearboxes etc. The use of authentic equipment manufacturer’s (OEM) portion numbers or emblems , e.g. CASE® and John Deere® are for reference functions only and for indicating product use and compatibility. Our business and the outlined substitute elements contained herein are not sponsored, approved, or produced by the OEM.