CRI turntable bearing 1
CRI turntable bearing 2
CRI turntable bearing 3
CRI turntable bearing 4
CRI turntable bearing 5
CRI turntable bearing 1
CRI turntable bearing 2
CRI turntable bearing 3
CRI turntable bearing 4
CRI turntable bearing 5

Cross Roller with Internal Gear (CRI)

Slewing bearings support heavy axial and radial loads, along with upsetting moments. They have inner and outer rings with mounting holes, lubrication channels, and gears. Induction-hardened raceways offer wear resistance, durability, and high load capacity. Precision-ground and heat-treated gear teeth ensure smoothness and accuracy. SunUs makes standard and custom slewing bearings, up to 2500mm in diameter, for versatile applications.
Precision Level
Precision Level
Torsional Rigidity
Torsional Rigidity
Price Range
Price Range
Industry Applications
CNC Machine Tools
Factory Automation
Special Purpose Machines (SPMs)
Engineering Machinery
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High-load capacity
High stiffness for rugged bearing applications
Low friction
Long service life
Surface protection and corrosion-resistance

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Part No.        Size             Installation Hole                           Gear Dimensions             Tooth Force         Axial Load       Weight 
                                                                                                                      Outer ring             Inner ring                     Pitch diameter Module Number of teeth Addendum Modification Nominal Maximum Dynamic Static              
                    dm             Da             di             H             H1             H2             H3             Le             Ne             Be             Li       Ni Bi       t             N1             D             m             z             x.m             Tfn             Tfmax             C             Co                    
                    mm             mm                                         mm                          mm             mm                           mm                                         mm             KN             KN             kg      
CRI.14.0414 414 486 326.5 56 44.5 44.5 28 460 24 14 375 368  M12  24  3 335 5 67 +0.75 16  46  167  595  31 
CRI.14.0544 544 616 445.2 56 44.5 44.5 28 590 32 14 505 498 M12 24  4 456 5 76 +0.6 17 50 194 784 42
CRI.14.0644 644 716 547.2 56 44.5 44.5 28 693 36 14 605 598 M12 24 4 558 6 93 +0.6 21 56 210 919 50
CRI.14.0744 744 816 649.2 56 44.5 44.5 28 790 40 14 705 698 M12 24 4 660 6 110 +0.6 21 56 228 1070 58
CRI.14.0844 844 916 737.6 56 44.5 44.5 28 890 40 14 805 798 M12 24 4 752 8 94 +0.8 25 72 244 1220 59
CRI.14.0944 944 1016 841.6 56 44.5 44.5 28 990 44 14 905 898 M12 24 4 856 8 107 +0.8 25 72 258 1250 76

Part No.        Size             Installation Hole                           Gear Dimensions             Tooth Force         Axial Load       Weight 
                                                                                                                      Outer ring             Inner ring                     Pitch diameter Module Number of teeth Addendum Modification Nominal Maximum Dynamic Static              
                    dm             Da             di             H             H1             H2             H3             Le             Ne             Be             Li       Ni Bi       t             N1             D             m             z             x.m             Tfn             Tfmax             C             Co                    
                    mm             mm                                         mm                          mm             mm                           mm                                         mm             KN             KN             kg      
CRI.14.0414 414 486 326.5 56 44.5 44.5 28 460 24 14 375 368  M12  24  3 335 5 67 +0.75 16  46  167  595  31 
CRI.14.0544 544 616 445.2 56 44.5 44.5 28 590 32 14 505 498 M12 24  4 456 5 76 +0.6 17 50 194 784 42
CRI.14.0644 644 716 547.2 56 44.5 44.5 28 693 36 14 605 598 M12 24 4 558 6 93 +0.6 21 56 210 919 50
CRI.14.0744 744 816 649.2 56 44.5 44.5 28 790 40 14 705 698 M12 24 4 660 6 110 +0.6 21 56 228 1070 58
CRI.14.0844 844 916 737.6 56 44.5 44.5 28 890 40 14 805 798 M12 24 4 752 8 94 +0.8 25 72 244 1220 59
CRI.14.0944 944 1016 841.6 56 44.5 44.5 28 990 44 14 905 898 M12 24 4 856 8 107 +0.8 25 72 258 1250 76
  • Metal processing equipment
  • Wind turbines
  • Tunnel boring machine
  • Excavator
  • Forestry vehicle
  • Rail vehicle
  • Dock and deck cranes
  • Mobile crane
  • Water treatment equipment
  • Bottle filling system
  • Material handling
  • Cabin
  • Sea buoy
  • Stacker/reclaimer
  • Surveillance system (such as radar, camera)
  • Medical equipment
  • Tidal turbine

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