Carries radial loads and moderate axial loads in a single-row configuration, with balls running in deep grooves that keep friction low across the full speed range. Bore 90.0 mm, outside diameter 190.0 mm, width 43.0 mm, net mass 5.164 kg. Limiting speed reaches 4900.0 1/min, reference speed 5100.0 1/min. The cage is a pressed steel sheet metal type (JN), and internal clearance is CN (Group N), the standard clearance class. Standard CN clearance combined with the JN steel cage suits applications with normal shaft rigidity and moderate speed demands, without extra allowance for preload or thermal expansion beyond the standard clearance range. The bore type Z indicates the raceway design at the bore, relevant for mounting practice. Equivalents matching bore, outside diameter and width: SKF 6318, NSK 6318, NTN 6318.