DT Series Slewing Ring Bearings

DT series bearings are made to order with a fully customizable hole pattern for bearing retention, and an internal or external gear or other drive mechanism.
Product
Number
gear Outline dimensions & weight Max gear
tooth load Fz
(lbs)
Moment
rating
Crm
(ft-lbs)
Do
(in)
di
(in)
H
(in)
Ho
(in)
Hi
(in)
Dr
(in)
dr
(in)
G
approx.
(lbs)
16258001 External gear 17.086 10.250 3.313 3.000 3.000 17.086 - 105 6,850 65,200
16282001 No gear 20.375 12.050 4.500 4.185 4.185 - - 210 - 102,500
16283001 No gear 29.750 18.620 7.000 6.500 6.551 - - 645 - 363,100
16284001 No gear 41.417 30.236 7.480 6.890 6.890 - - 1,060 - 734,800
16264001 External gear 50.016 38.504 5.512 5.157 4.567 48.425 - 870 19,390 970,400
16265001 External gear 56.240 41.370 7.125 6.688 6.688 54.675 - 1,730 30,480 2,132,100
16015001 No gear 56.250 43.750 6.750 6.380 6.380 - - 4,520 - 2,083,600
16274001 Internal gear 56.693 43.661 5.472 5.118 5.118 - 46.142 1,200 48,640 1,225,400
16275001 External gear 66.000 47.600 8.000 7.625 7.625 - 50.125 2,820 78,680 3,921,100
16266001 External gear 68.800 51.250 7.375 6.875 7.000 68.800 - 2,850 36,480 3,470,900
16276001 Internal gear 70.500 50.200 8.625 8.312 8.312 - 52.125 3,700 56,400 4,863,400
16267001 External gear 75.394 58.500 6.110 5.750 5.750 73.307 - 2,450 31,400 3,335,700
16285001 No gear 75.750 59.750 8.750 8.375 8.375 - - 3,540 - 2,934,900
16277001 Internal gear 81.890 65.248 5.591 5.197 5.197 - 67.520 2,460 41,140 2,534,900
16268001 External gear 89.181 71.400 7.090 6.650 6.730 96.566 - 3,360 53,760 4,793,200
16278001 Internal gear 94.173 77.008 7.126 6.732 6.732 - 79.291 3,410 40,770 3,896,200
16269001 External gear 94.742 72.250 9.125 8.375 8.750 92.500 - 5,560 55,490 8,669,000
16270001 External gear 102.992 84.134 7.205 6.654 6.654 99.331 - 3,970 92,060 3,658,500
16279001 Internal gear 109.375 87.170 9.312 8.937 8.000 - 87.170 7,100 94,870 9,075,400
16271001 External gear 124.800 98.375 11.250 9.375 10.750 124.800 - 10,500 86,780 14,639,200
16286001 No gear 131.000 114.000 8.000 7.500 7.500 - - 6,950 - 5,666,800
16281001 Internal gear 141.000 114.941 11.180 10.000 10.430 - 120.710 14,850 155,340 12,625,000
16272001 External gear 143.800 114.000 11.062 10.250 10.437 143.8000 - 14,980 85,120 18,293,300
13004001 No gear 170.000 150.000 9.875 9.250 9.250 - - 11,950 - 8,098,000
16273001 External gear 180.000 150.000 10.625 10.000 10.000 175.250 - 22,100 129,080 18,000,000

Design Features

The internal configuration consists of two deep groove gothic arch raceways, each with a maximum ball complement, located in both the inner and outer rings. This results in a total of eight surfaces where the balls may contact at any time, providing exceptional moment, thrust, and radial load capacities. Through precise manufacturing, the raceways are closely matched to provide a high degree of load sharing. Integral seals are provided to assist in the exclusion of contaminants.

Applications

    DT series bearings have been used successfully in heavy-duty applications including:

  • Large excavators
  • Large cranes
  • Mining equipment
  • Wind turbines
  • Telescopes

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