Ucp212d1 NskCM UCP212D1 Bearing UC212D1 Bearing Housing P212D1 Housing d 60 mm Bore diameter N1 23 mm Length of attachment bolt hole L 241 mm Overall length H 69. 8 mm Height of spherical seat centre H3 143 mm Overall height J 184 mm Distance between attachment bolts N 20 mm Diameter of attachment bolt hole A 70 mm Base width A5 115 mm Width including end cover t 4 mm Clearance H1 25 mm Distance between bottoms of piloting grooves B4 0. 4 mm Width of inner ring