MT Series Slewing Ring Bearings

MT series slewing bearings are generally available from stock, and mating pinions for the geared versions through MTE-705 are also generally available.

Product Number gear Outline dimensions & weight Moment rating Crm
(ft-lbs)
Do
(in)
di
(in)
H
(in)
Hi / Ho
(in)
G
approx.
(lbs)
MTE-145 External gear 12.286 5.709 1.968 1.732 38 26000
MTE-145T External gear 12.286 5.709 1.968 1.732 38 26000
MTE-145X External gear 12.286 5.709 1.968 1.732 38
MTE-210 External gear 14.686 8.268 1.575 1.496 38 44500
MTE-210T External gear 14.686 8.268 1.575 1.496 38 44500
MTE-210X External gear 14.686 8.268 1.968 1.732 44 52100
MTE-265 External gear 17.086 10.433 1.968 1.732 57 62000
MTE-265T External gear 17.086 10.433 1.968 1.732 57 62000
MTE-265X External gear 17.086 10.433 1.968 1.732 57 71900
MTE-324T External gear 20.486 12.75 2.062 2.022 98 102400
MTE-324X External gear 20.486 12.770 2.375 2.063 99 102400
MTE-415 External gear 24.650 16.250 2.375 2.063 132 159200
MTE-415T External gear 24.65 16.25 2.375 2.063 132 159200
MTE-470 External gear 26.9 18.5 2.375 2.063 147 191600
MTE-470T External gear 26.9 18.5 2.375 2.063 147 191600
MTE-540 External gear 29.25 21.25 2.375 2.063 163 232000
MTE-540T External gear 29.65 21.25 2.375 2.063 163 232000
MTE-590 External gear 33.534 23.125 2.875 2.563 283 338700
MTE-590T External gear 33.534 23.125 2.875 2.563 283 338700
MTE-705 External gear 38.201 27.75 2.875 2.563 325 443200
MTE-705T External gear 38.201 27.75 2.875 2.563 325 443200
MTE-730 External gear 41.85 28.75 3.25 2.88 491 588000
MTE-730T External gear 41.85 28.75 3.25 2.88 491 588000
MTE-870 External gear 47.444 34.25 4.25 3.875 771 873000
MTE-870T External gear 47.444 34.25 4.25 3.875 771 873000
MTO-050 No gear 4.331 1.968 0.787 0.728 2 675
MTO-050T No gear 4.331 1.968 1.787 0.728 2 675
MTO-065 No gear 5.315 2.559 0.866 0.787 4 1075
MTO-065T No gear 5.135 2.559 0.866 0.787 4 1075
MTO-122 No gear 8.898 4.803 1.339 1.142 13 5020
MTO-122T No gear 8.898 4.803 1.339 1.142 13 5020
MTO-143 No gear 9.803 5.63 1.339 1.142 15 8950
MTO-143T No gear 9.803 5.63 1.339 1.142 15 8950
MTO-145 No gear 11.811 5.709 1.968 1.732 37 26000
MTO-145T No gear 11.811 5.709 1.968 1.732 37 26000
MTO-145X No gear 12.286 5.709 1.968 1.732 41 30600
MTO-145XT No gear 12.286 5.709 1.968 1.732 41 30600
MTO-170 No gear 12.205 6.693 1.811 1.614 33 16520
MTO-170T No gear 12.205 6.693 1.811 1.614 33 16520
MTO-210 No gear 14.37 8.268 1.575 1.496 38 44500
MTO-210T No gear 14.37 8.268 1.575 1.496 38 44500
MTO-210X No gear 14.686 8.268 1.968 1.732 48 52100
MTO-210XT No gear 14.686 8.268 1.968 1.732 48 52100
MTO-265 No gear 16.535 10.433 1.968 1.732 54 62000
MTO-265T No gear 16.535 10.433 1.968 1.732 54 62000
MTO-265X No gear 17.086 10.433 1.968 1.732 61 71900
MTO-265XT No gear 17.086 10.433 1.968 1.732 61 71900
MTO-324T No gear 20.486 12.750 2.062 2.022 105 102400
MTO-324X No gear 20.486 12.770 2.375 2.063 105 102400
MTO-415 No gear 24.665 16.25 2.375 2.063 145 159000
MTO-415T No gear 24.65 16.25 2.375 2.063 145 159000
MTO-470 No gear 26.9 18.5 2.375 2.063 155 188000
MTO-470T No gear 26.9 18.5 2.375 2.063 155 18000
MTO-540 No gear 29.65 21.25 2.375 2.063 180 232000
MTO-540T No gear 29.65 21.25 2.375 2.063 180 232000
MTO-590 No gear 33.534 23.125 2.875 2.563 305 338000
MTO-590T No gear 33.534 23.125 2.875 2.563 305 338000
MTO-705 No gear 38.201 27.75 2.875 2.563 350 443000
MTO-705T No gear 38.201 27.75 2.875 2.563 351 443000
MTO-730 No gear 41.85 28.75 3.25 2.88 530 587000
MTO-730T No gear 41.85 28.75 3.25 2.88 530 587000
MTO-870 No gear 47.444 34.25 4.25 3.875 835 873000
MTO-870T No gear 47.444 34.25 4.25 3.875 835 873000

Design Features

MT Series slewing ring bearings have a rectangular cross-section and range in size from 4–47 inches OD (100–1200 mm). The internal configuration consists of deep groove gothic arch raceways and maximum ball complement. This results in a four-point contact design that provides exceptional moment, thrust, and radial load capacities. Integral face riding seals for the larger sizes, and non-contact shields for the smaller, assist in the exclusion of contaminants. These features make MT series heavy duty slewing rings an ideal choice for a wide range of applications from light to heavy duty.

MT series slewing ring bearings are offered in nongeared (MTO) and externally geared (MTE) configurations. The gears are Fellows Stub Involute up to the MTE-324 size and Stub Involute for larger sizes, all manufactured to AGMA Class Q6 quality. MT series slewing bearings feature ball pitch diameters from 9" to 40" and moment load ratings up to 870,000 ft.-lbs.

Applications

    MT series slewing ring bearings have been used successfully in a wide range of applications from light to heavy duty. The smaller sizes are well suited for:

  • Manipulators
  • Jib cranes
  • Lift-assist devices
  • Work positioners
  • Lift Truck Rotators
  • Industrial Turntables

    Larger sizes are well suited for:

  • Truck-mounted cranes
  • Aerial lifts
  • Hoists
  • Small wind turbines
  • Non-precision positioning tables

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