DIMENSIONS :- Bore diameter d = 65 mm / Outer diameter inner ring d1 = 82.1 mm / Housing width A = 50 mm / Flange width A1 = 15 mm / Height of spherical seat centre A3 = 14 mm / Standout of end cover A5 = 39 mm / Width of inner ring B = 65.1 mm / Distance from locking device side face to thread B4 = 12 mm / External diameter Db = 152.8 mm / Centering diameter Dc = 145 mm / Distance between attachment bolts J = 170 mm / Width of attachment bolt hole J1 = 120.2 mm / Overall width L = 205 mm / Length of attachment bolt hole N = 19 mm / Distance from locking device side face to raceway centre s1 = 39.7 mm / Overall unit width T = 55.7 mm