CHARACTERISTICS OF WINKEL VULKOLLAN AND POLYAMIDE BEARING : Since more than 39 years WINKEL GmbH are working in the field of linear system and material handling . They are market leader in the field of heavy load linear systems and have delivered thousands of handling systems. Winkel Offer two types of Bearings: Vulkollan Bearing and Polyamide Bearings. Vulkollan Bearing: When any System requires Speed + Silent Operation Vulkollan bearing is Preferred. The max speed of the bearing is 6 m/s whereas Std bearing has max peed of 1.5 m/s Material Specification: Outer rings are made from case-hardened steel UNI 16 CrNi 4 hardened at 62+2HRC Inner rings are made from bearing steel En 31-SAE 52100 hardened at 62-2 HRC Cylindrical rollers have flat ground heads, made from En 31-SAE 52100 steel hardened at 59 – 64 HRC. Advantages: Excellent resistance to...