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spacer Kaydon Bearings - slewing ring bearings, turntable bearings
Kaydon Bearings - DT series

The DT series features the eight-point ball bearings Kaydon originally developed to provide maximum load capacity for given envelope and bolt circle diameters. DT series slewing ring bearings provides an up to 80% increase in capacity over single-row four-point designs of the same diameter and bolt circles. Yet the DT series has a smaller profile than a three-row roller design.
 

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Turntable specifications

 
No gear
Internal gear
External gear
Notes & related items

 

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Kaydon Bearings - MT turntable 3D

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.

Availability
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.

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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See glossary of symbols

Kaydon Bearings - DT series turntable profile - no gear
No gear
Kaydon
part
number
Load
chart
Outline dimensions & weight Mounting holes Gear data
α = 20°
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)
Outer ring Inner ring
Lo
(in)
no Bo
(in)
Li
(in)
ni Bi
(in)
Tooth
form
D2
(in)
Pd
or (m)
z2 x2 b2
(in)
16282001 load chart 20.375 12.250 4.500 4.185 4.185 - - 210 18.875 20 0.688 13.625 20 0.688 - - - - - - - 102,500
16283001 load chart 29.750 18.620 7.000 6.500 6.551 - - 645 27.875 34 0.813 20.375 32 0.813 - - - - - - - 363,100
16284001 load chart 41.417 30.236 7.480 6.890 6.890 - - 1,060 39.449 36 0.866 32.205 36 0.866 - - - - - - - 734,800
16015001 load chart 56.250 43.750 6.750 6.380 6.380 - - 1,520 53.630 36 1.313 46.380 36 1 1/4-7 - - - - - - - 2,083,600
16285001 load chart 75.750 59.750 8.750 8.375 8.375 - - 3,540 73.625 48 1.004 62.375 36 1.250 - - - - - - - 2,934,900
16286001 load chart 131.000 114.000 8.000 7.500 7.500 - - 6,950 127.000 64 1.313 118.000 64 1.313 - - - - - - - 5,666,800
13004001 load chart 170.000 150.000 9.875 9.250 9.250 - - 11,950 166.000 64 1.625 154.000 64 1.625 - - - - - - - 8,098,000
* No internal or external diameters for this type

See glossary of symbols

Kaydon Bearings - DT series turntable profile - internal gear
Internal gear
Kaydon
part
number
Load
chart
Outline dimensions & weight Mounting holes Gear data
α = 20°
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)
Outer ring Inner ring
Lo
(in)
no Bo
(in)
Li
(in)
ni Bi
(in)
Tooth
form
D2
(in)
Pd
or (m)
z2 x2 b2
(in)
16274001 load chart 56.693 43.661 5.472 5.118 5.118 - 46.142 1,200 54.724 48 0.866 48.425 48 0.866 FD 44.094 (14) 80 -.5 4.134 48,640 1,225,400
16275001 load chart 66.000 47.600 8.000 7.625 7.625 - 50.125 2,820 63.000 42 1.625 53.000 45 1.625 SD 48.667 1.5 73 0 5.500 78,680 3,921,100
16276001 load chart 70.500 50.200 8.625 8.312 8.312 - 52.125 3,700 67.625 36 1 1/2-6 55.000 40 1.625 SD 51.000 2 102 0 5.000 56,400 4,863,400
16277001 load chart 81.890 65.248 5.591 5.197 5.197 - 67.520 2,460 78.740 54 1.299 70.866 54 1.299 FD 65.669 (12) 139 -.5 3.937 41,140 2,534,900
16278001 load chart 94.173 77.008 7.126 6.732 6.732 - 79.291 3,410 90.787 60 1.535 82.677 60 1.535 FD 77.480 (12) 164 -.5 3.937 40,770 3,896,200
16279001 load chart 109.375 87.170 9.312 8.937 8.000 - 87.170 7,100 102.953 66 1.593 93.504 66 1.593 FD 87.874 (18) 124 -.5 6.000 94,870 9,075,400
16280001 load chart 121.000 98.400 8.750 8.438 8.438 - 102.250 7,440 117.000 72 1.625 105.000 72 1.625 FD 100.000 1.25 125 0 6.000 106,940 8,751,800
16281001 load chart 141.000 114.941 11.180 10.000 10.430 - 120.710 14,850 133.661 90 1.625 124.252 90 1.625 FD 116.221 (18) 165 -.5 10.000 155,340 12,625,000
* No external diameters for this type

See glossary of symbols

Kaydon Bearings - DT series turntable profile - external gear
External gear
Kaydon
part
number
Load
chart
Outline dimensions & weight Mounting holes Gear data
α = 20°
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)
Outer ring Inner ring
Lo
(in)
no Bo
(in)
Li
(in)
ni Bi
(in)
Tooth
form
D2
(in)
Pd
or (m)
z2 x2 b2
(in)
16258001 load chart 17.086 10.250 3.313 3.000 3.000 17.086 - 105 15.354 18 0.563 11.614 24 0.563 FS 16.800 5/7 84 0 1.750 6,850 65,200
16264001 load chart 50.016 38.504 5.512 5.157 4.567 48.425 - 870 46.496 42 M24x3 40.551 48 1.024 FD 49.134 (8) 156 +.5 3.346 19,390 970,400
16265001 load chart 56.240 41.370 7.125 6.688 6.688 54.675 - 1,730 52.000 30 1.313 44.000 30 1.313 SD 55.600 2.5 139 0 4.000 30,480 2,132,100
16266001 load chart 68.800 51.250 7.375 6.875 7.000 68.800 - 2,850 64.250 36 1.438 55.000 42 1.438 FD 68.000 2 136 0 4.000 36,480 3,470,900
16267001 load chart 75.394 58.500 6.110 5.750 5.750 73.307 - 2,450 70.500 48 1.313 61.366 48 1.313 FD 74.016 (10) 188 +.8 4.130 31,400 3,335,700
16268001 load chart 89.181 71.400 7.090 6.650 6.730 96.566 - 3,360 83.622 60 1.299 74.016 60 1.299 FD 87.638 (14) 159 +.5 5.080 53,760 4,793,200
16269001 load chart 94.742 72.250 9.125 8.375 8.750 92.500 - 5,560 89.750 60 1.625 75.250 68 1.625 SD 94.000 2 188 0 5.500 55,490 8,669,000
16270001 load chart 102.992 84.134 7.205 6.654 6.654 99.331 - 3,970 95.906 64 1.299 87.205 68 1.535 FD 100.787 (20) 128 +.5 5.709 92,060 3,658,500
16271001 load chart 124.800 98.375 11.250 9.375 10.750 124.800 - 10,500 117.625 72 1.875 103.625 72 1.875 FD 123.200 1.25 154 0 6.000 86,780 14,639,200
16272001 load chart 143.800 114.000 11.062 10.250 10.437 143.800 - 14,980 136.625 72 2.156 121.375 72 2.156 SD 143.000 2 286 0 8.000 85,120 18,293,300
16273001 load chart 180.000 150.000 10.625 10.000 10.000 175.250 - 22,100 170.000 80 1.875 156.250 80 1.875 FD 178.000 1 178 0 7.000 129,080 18,000,000
* No internal diameters for this type

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warning sign

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Notes
Damage to equipment and danger to human life can result from failure to heed the recommendations in the text identified by the warning symbol in Kaydon Catalog 390 where further details and additional considerations can be found.

Contact Kaydon for a 3D model.

Related pages
Slewing ring bearing selector
Turntable glossary of symbols

Related downloads
Catalog 390: DT series (Adobe PDF)
Catalog 390: all pages (Adobe PDF)

Adobe Acrobat Reader

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