DIMENSIONS :- Bore diameter d = 30 mm / Outer diameter inner ring d1 = 39.8 mm / Housing width A = 30 mm / Flange width A1 = 8 mm / Height of spherical seat centre A3 = 8 mm / Standout of end cover A5 = 22.5 mm / Width of inner ring B = 38.1 mm / Distance from locking device side face to thread B4 = 5.5 mm / External diameter Db = 87.5 mm / Centering diameter Dc = 80 mm / Distance between attachment bolts J = 100 mm / Width of attachment bolt hole J1 = 70.7 mm / Overall width L = 125 mm / Length of attachment bolt hole N = 12 mm / Distance from locking device side face to raceway centre s1 = 22.2 mm / Overall unit width T = 32.2 mm