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MTO gearless slewing bearing
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Product Details
- Product Description
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- Commodity name: MTO gearless slewing bearing
A toothless slewing bearing, also known as a sliding-type slewing bearing or a ring‑less slewing bearing, is a mechanical bearing assembly used to support and rotate large structures such as cranes, excavators, wind turbines, satellite tracking systems, and other applications requiring high load capacity and rotational freedom.
Gearless slewing bearings, also known as sliding-type slewing bearings or gearless ring slewing bearings, are mechanical bearing assemblies used to support and rotate large structures such as cranes, excavators, wind turbines, satellite tracking systems, and other applications requiring substantial load capacity and rotational freedom. The following is a detailed overview of gearless slewing bearings:
Structural features
Outer and inner rings: Toothless slewing bearings typically consist of an outer ring and an inner ring. The outer ring is stationary, while the inner ring can rotate. These two rings are usually supported by ball or roller elements to reduce friction and enable the bearing’s rotation.
Gearless Ring: This is one of the key features of gearless slewing bearings. The gearless ring is a smooth, circular ring typically positioned beneath the inner ring. Unlike slewing bearings with a geared ring, the gearless ring lacks a gear‑rack mechanism, eliminating the need for an external drive to rotate the turntable. As a result, gearless slewing bearings are structurally simpler.
Load Capacity: Slew bearings without internal gears are engineered to deliver exceptional load-carrying capacity, capable of handling substantial radial and axial loads. This makes them ideally suited for applications such as hoisting equipment, rotary platforms, and other heavy-duty construction machinery.
Free Rotation: The design of the toothless slewing bearing is intended to enable free rotation, making it ideally suited for applications requiring continuous 360-degree rotation. It delivers smooth rotational motion without the need for additional drive mechanisms.
Sealing and Lubrication: To protect the bearing’s interior from contaminants and moisture, flangeless slewing bearings are typically equipped with seals and require periodic lubrication to ensure smooth operation.
Product Specifications
MTO Toothless Slewing Bearing Model Parameter Table Model number Installation dimensions (inches) Outer ring Inner circle Rated torque C rm (ft-Lbs) Weight D 0 d i H H i /H O L o n o B o L i n i B i G(kg) MTO-050 4.331 1.968 0.787 0.728 3.818 8 0.26 2.48 8 0.26 830 2 MTO-050T 4.331 1.968 0.787 0.728 3.818 8 M6 2.48 8 M6 830 2 MTO-065 5.315 2.559 0.866 0.787 4.724 8 0.354 3.149 8 0.354 1330 4 MTO-065T 5.315 2.559 0.866 0.787 4.724 8 M8 3.149 8 M8 1330 4 MTO-122 8.898 4.803 1.339 1.142 8.189 12 0.354 5.512 12 0.354 5020 13 MTO-122T 8.898 4.803 1.339 1.142 8.189 12 M8 5.512 12 M8 5020 13 MTO-143 9.803 5.63 1.339 1.142 8.937 12 0.433 6.496 12 0.433 8950 15 MTO-143T 9.803 5.63 1.339 1.142 8.937 12 M10 6.496 12 M10 8950 15 MTO-145 11.811 5.709 1.968 1.732 10.630 16 0.562 6.89 16 0.562 26000 37 MTO-145T 11.811 5.709 1.968 1.732 10.630 16 5/8-11 6.89 16 5/8-11 26000 37 MTO-145X 11.811 5.709 1.968 1.732 10.630 16 0.594 6.89 16 0.594 30600 41 MTO-170 12.205 6.693 1.811 1.614 11.024 12 0.512 7.874 12 0.512 16520 33 MTO-170T 12.205 6.693 1.811 1.614 11.024 12 M12 7.874 12 M12 16520 33 MTO-210 14.37 8.268 1.575 1.496 13.190 16 0.562 9.449 20 0.562 44500 38 MTO-210T 14.37 8.268 1.575 1.496 13.190 16 5/8-11 9.449 20 5/8-11 44500 38 MTO-210X 14.686 8.268 1.968 1.732 13.190 16 0.594 9.449 20 0.594 52100 48 MTO-265 16.535 10.433 1.968 1.732 15.354 18 0.562 11.614 24 0.562 62000 54 MTO-265T 16.535 10.433 1.968 1.732 15.354 18 5/8-11 11.614 24 5/8-11 62000 54 MTO-265X 17.086 10.433 1.968 1.732 15.354 18 0.594 11.614 24 0.594 71900 61 MTO-324T 20.486 12.75 2.062 2.022 18.875 20 5/8-11 14.375 20 5/8-11 102400 105 MTO-324X 20.486 12.77 2.375 2.063 18.875 20 0.688 14.375 20 0.688 102400 105
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