YRT180 d 180  mm    D 280  mm    H 43  mm          1)   Retention screws a 6,2  mm  Fixing holes in inner ring C 15  mm    D1 max 244  mm    d1 7  mm  Fixing holes in inner ring d2 11  mm  Fixing holes in inner ring d3 7  mm  Fixing holes in outer ring G M8   Extraction thread H1 29  mm    H2 14  mm    J 194  mm  Fixing holes in inner ring J1 260  mm  Fixing holes in outer ring nG 3   Number of extraction threads nHS 2   Number of retaining screws nSa 45   Number of fixing holes in outer ring nSi 46   Number of fixing holes in inner ring t 48 X 7,5°   Number of pitches X angle of pitches     Including retaining screws and threaded extraction holes       m 7,7  kg  Mass MA 14  Nm  Screw tightening torque Ca 92000  N  Basic dynamic load rating, axial C0a 580000  N  Basic static load rating, axial Cr 83000  N  Basic dynamic load rating, radial C0r 209000  N  Basic static load rating, radial nG 190  1/min  Limiting speed MRL 14  Nm  Bearing frictional torque caL 2600  N/μm  Axial rigidity crL 3000  N/μm  Radial rigidity ckL 17000  Nm/mrad  Tilting rigidity