ucp216d1 nskCM UCP216D1 Bearing UC216D1 Bearing Housing P216D1 Housing d 80 mm Bore diameter N1 28 mm Length of attachment bolt hole L 292 mm Overall length H 88. 9 mm Height of spherical seat centre H3 181 mm Overall height J 232 mm Distance between attachment bolts N 25 mm Diameter of attachment bolt hole A 78 mm Base width A5 145 mm Width including end cover t 4 mm Clearance H1 30 mm Distance between bottoms of piloting grooves B4 0. 6 mm Width of inner ring