YRT80 d 80  mm    D 146  mm    H 35  mm          1)   Retention screws a 4  mm  Fixing holes in inner ring C 12  mm    D1 max 130  mm    d1 5,6  mm  Fixing holes in inner ring d2 10  mm  Fixing holes in inner ring d3 4,6  mm  Fixing holes in outer ring G -   Extraction thread H1 23,35  mm    H2 11,65  mm    J 92  mm  Fixing holes in inner ring J1 138  mm  Fixing holes in outer ring nG -   Number of extraction threads nHS 2   Number of retaining screws nSa 12   Number of fixing holes in outer ring nSi 10   Number of fixing holes in inner ring t 12 X 30°   Number of pitches X angle of pitches m 2,4  kg  Mass MA 8,5 / 4,5  Nm  Screw tightening torque Ca 38000  N  Basic dynamic load rating, axial C0a 158000  N  Basic static load rating, axial Cr 44000  N  Basic dynamic load rating, radial C0r 98000  N  Basic static load rating, radial nG 350  1/min  Limiting speed MRL 3  Nm  Bearing frictional torque caL 1600  N/μm  Axial rigidity crL 1800  N/μm  Radial rigidity ckL 2500  Nm/mrad  Tilting rigidity