DIMENSIONS :- Bore diameter d = 55 mm / Outer diameter inner ring d1 = 70 mm / Housing width A = 43 mm / Flange width A1 = 15 mm / Height of spherical seat centre A3 = 12 mm / Standout of end cover A5 = 37.5 mm / Width of inner ring B = 55.6 mm / Distance from locking device side face to thread B4 = 9.5 mm / External diameter Db = 132.2 mm / Centering diameter Dc = 125 mm / Distance between attachment bolts J = 150 mm / Width of attachment bolt hole J1 = 106.1 mm / Overall width L = 185 mm / Length of attachment bolt hole N = 19 mm / Distance from locking device side face to raceway centre s1 = 33.4 mm / Overall unit width T = 46.4 mm