DIMENSIONS :- Bore diameter d = 45 mm / Outer diameter inner ring d1 = 57.3 mm / Housing width A = 37.5 mm / Flange width A1 = 14 mm / Height of spherical seat centre A3 = 12 mm / Standout of end cover A5 = 26.5 mm / Width of inner ring B = 49.2 mm / Distance from locking device side face to thread B4 = 8 mm / External diameter Db = 117.8 mm / Centering diameter Dc = 105 mm / Distance between attachment bolts J = 132 mm / Width of attachment bolt hole J1 = 93.3 mm / Overall width L = 160 mm / Length of attachment bolt hole N = 16 mm / Distance from locking device side face to raceway centre s1 = 30.2 mm / Overall unit width T = 40.2 mm