ucp310 d1 nskCM UCP310D1 Bearing UC310D1 Bearing Housing P310D1 Housing d 50 mm Bore diameter N1 35 mm Length of attachment bolt hole L 275 mm Overall length H 75 mm Height of spherical seat centre H3 156 mm Overall height J 212 mm Distance between attachment bolts N 20 mm Diameter of attachment bolt hole A 75 mm Base width A5 120 mm Width including end cover t 3 mm Clearance H1 27 mm Distance between bottoms of piloting grooves B 61 mm Width of inner ring S 22 mm