YRT850 d 850  mm    d 1095  mm    H 124  mm          1)   Retention screws a 17  mm  Fixing holes in inner ring C 37  mm    D1 max 1018  mm    d1 18  mm  Fixing holes in inner ring d2 26  mm  Fixing holes in inner ring d3 18  mm  Fixing holes in outer ring G M12   Extraction thread H1 80,5  mm    H2 43,5  mm    J 890  mm  Fixing holes in inner ring J1 1055  mm  Fixing holes in outer ring nG 6   Number of extraction threads nHS 2   Number of retaining screws nSa 54   Number of fixing holes in outer ring nSi 58   Number of fixing holes in inner ring t 60 X 6°   Number of pitches X angle of pitches     Including retaining screws and threaded extraction holes       m 253  kg  Mass MA 284  Nm  Screw tightening torque Ca 560000  N  Basic dynamic load rating, axial C0a 6600000  N  Basic static load rating, axial Cr 475000  N  Basic dynamic load rating, radial C0r 1970000  N  Basic static load rating, radial nG 40  1/min  Limiting speed MRL 300  Nm  Bearing frictional torque caL 9300  N/μm  Axial rigidity crL 13000  N/μm  Radial rigidity ckL 1100000  Nm/mrad  Tilting rigidity