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

Kaydon XT series slewing ring bearings provide solutions for applications where standard product doesn't meet size, capacity, or weight requirements. XT series slewing bearings are custom designs having a rectangular cross-section, and are available in sizes up to 218 inches OD (5500 mm OD).
 

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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 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 seals are provided to assist in the exclusion of contaminants.

XT series bearings are available in internal geared, external geared, and nongeared configurations.

Availability
XT series bearings are made to order, and can be customized for the specific application.

Applications
XT series bearings have been used successfully in a wide range of applications, including:

  • Cranes
  • Aerial lifts
  • Excavators
  • Wind turbines
  • Utility derricks
  • Log loaders and feller bunchers
  • Grapples
  • Mining equipment

Click on the Kaydon part number to view and download 3D models and CAD files. You must login or register before accessing drawings.

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See glossary of symbols

Kaydon Bearings - XT 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)
16289001 load chart 61.250 52.325 3.540 2.800 2.800 - - 585 59.625 30 0.844 54.000 30 0.844 - - - - - - - 348,000
16389001 load chart 87.992 69.094 6.024 5.512 5.512 - - 3,330 83.543 52 1.535 73.543 52 1.535 - - - - - - - 3,675,000
16290001 load chart 129.000 113.000 5.500 5.000 5.000 - - 3,950 125.500 72 1.063 116.500 72 1.063 - - - - - - - 1,337,000
16291001 load chart 178.000 162.000 5.500 5.000 5.000 - - 5,350 174.500 96 1.063 165.500 96 1.063 - - - - - - - 2,258,000
* No internal or external diameters for this type

See glossary of symbols

Kaydon Bearings - XT 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)
16292001 load chart 16.625 9.714 1.968 1.732 1.732 - - 65 15.354 18 0.594 11.614 24 0.594 FS 10.000 5/7 50 0 1.732 7,800 71,800
16293001 load chart 20.486 12.750 2.060 2.000 2.000 - - 105 18.875 20 0.594 14.375 20 0.594 FS 13.000 5/7 65 0 2.000 8,800 81,300
16294001 load chart 25.750 16.850 2.750 2.375 2.375 - - 180 24.500 18 0.688 19.500 24 0.688 SD 17.250 4 69 0 2.375 12,750 143,000
16295001 load chart 28.937 19.600 2.834 2.480 2.480 - - 225 27.165 24 0.813 22.126 30 0.813 SD 20.000 4 80 0 2.480 13,250 244,000
16296001 load chart 34.252 24.921 2.834 2.480 2.480 - - 270 32.480 30 0.813 27.441 36 0.813 SD 25.250 4 101 -.15 2.480 12,900 343,000
16390001 load chart 40.880 30.560 3.380 2.560 3.000 - 32.375 375 39.250 40 0.813 33.750 40 0.813 SD 31.200 2.5 78 0 2.750 20,230 461,000
16374001 load chart 48.250 36.400 4.000 3.500 3.500 - 38.250 660 46.125 30 0.938 39.875 36 0.938 FD 37.200 2.5 93 0 3.250 21,290 720,000
16297001 load chart 54.375 41.280 5.000 3.875 4.625 - 43.000 1,090 52.500 48 0.938 45.250 48 0.938 SD 41.600 2.5 104 -.40 3.000 24,900 1,131,000
16298001 load chart 62.250 47.760 4.875 4.375 4.375 - 49.325 1,370 59.750 48 1.063 51.750 48 1.063 SD 48.400 2.5 121 0 4.312 38,500 1,650,000
16299001 load chart 72.500 57.000 6.000 5.000 5.000 - 59.380 1,900 69.750 48 1.063 61.500 48 1.063 FD 58.000 2 116 0 4.500 46,600 1,831,000
16300001 load chart 81.750 62.267 6.500 5.625 6.125 - 64.750 3,080 78.750 52 1.312 67.625 52 1.312 SD 63.333 1.5 95 0 5.000 75,450 3,764,000
16301001 load chart 102.500 85.360 7.440 6.780 5.660 - 88.380 3,750 99.803 60 1.312 91.142 60 1.312 FD 86.667 1.5 130 0 5.500 81,500 3,457,000
16302001 load chart 117.000 93.600 7.125 6.500 6.500 - 96.375 6,200 113.000 52 1.562 100.000 52 1.562 SD 94.667 1.5 142 0 4.750 69,900 6,125,000
16303001 load chart 148.425 135.039 4.724 4.134 4.134 - 136.890 3,000 146.457 72 0.866 138.583 72 0.866 FD 135.827 (10) 345 0 3.543 25,300 1,013,000
16304001 load chart 168.000 151.700 6.000 5.500 5.500 - 153.940 5,500 165.120 90 1.313 156.000 90 1.313 SD 152.500 2 305 0 5.000 45,400 3,003,000
* No external diameters for this type

See glossary of symbols

Kaydon Bearings - XT 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)
16305001 load chart 9.500 4.813 1.344 1.141 1.141 - - 15 8.188 12 0.354 5.500 12 0.354 FD 9.250 8 74 0 1.141 2,470 6,200
16306001 load chart 21.286 12.438 2.812 2.656 2.656 - - 140 19.156 16 0.813 13.750 18 0.813 FS 21.000 5/7 105 0 2.656 10,570 122,500
16307001 load chart 30.457 19.000 3.625 3.250 3.250 - - 330 27.375 30 0.813 20.625 29 0.813 SD 30.000 3.5 105 0 3.250 17,400 322,000
12440001 load chart 39.400 29.500 3.875 3.031 3.031 38.375 - 390 36.750 36 0.813 31.250 39 0.813 SD 39.000 4 156 0 2.750 14,000 477,000
16308001 load chart 50.640 37.750 4.000 3.620 3.620 - - 770 47.000 30 1.031 40.000 29 1.031 SD 50.000 2.5 125 0 3.620 27,400 832,000
12288001 load chart 54.300 42.000 4.625 3.625 3.625 52.250 - 770 50.375 30 1.062 44.125 36 1.062 SD 53.500 2 107 0 3.000 28,150 875,000
16309001 load chart 56.240 41.370 4.750 3.850 4.400 - - 1,133 52.000 28 1.313 44.000 28 1.313 SD 55.600 2.5 139 0 3.850 29,300 1,220,000
16310001 load chart 61.300 47.125 5.875 4.688 4.688 59.375 - 1,420 57.375 40 1.063 49.250 44 1.063 SD 60.500 2 121 0 4.000 40,850 1,522,000
16311001 load chart 75.000 54.500 6.500 5.875 5.875 72.560 - 2,865 70.250 40 1.313 58.500 40 1.313 FD 74.000 2 148 0 4.000 36,600 2,873,000
16312001 load chart 85.067 66.750 7.120 6.500 6.620 82.120 - 3,410 80.125 48 1.313 69.250 48 1.313 SD 84.000 1.5 126 0 6.000 81,900 3,575,000
16313001 load chart 98.800 78.400 6.625 6.000 6.000 98.000 - 4,000 94.250 72 1.562 82.500 60 1.812 SD 98.000 2 196 0 4.750 49,600 4,951,000
16314001 load chart 134.331 118.110 5.512 5.000 5.000 130.984 - 3,600 128.976 72 1.260 120.512 72 1.260 FD 132.520 (18) 187 .28 4.724 61,800 2,070,000
16315001 load chart 170.079 146.850 6.024 5.512 5.512 - - 8,030 162.598 72 1.535 150.787 72 1.535 FD 168.504 (20) 214 0 5.512 80,500 4,176,000
16316001 load chart 196.850 173.622 7.000 6.250 6.250 192.716 - 10,100 189.370 80 1.535 177.559 80 1.535 FD 195.276 (20) 248 0 5.512 81,000 5,210,000
16317001 load chart 218.268 197.244 5.512 5.039 5.039 216.142 - 8,700 212.598 90 1.260 200.787 90 1.260 FD 217.323 (12) 460 0 3.780 31,100 3,190,000
* 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.

Related pages
Slewing ring bearing selector
Turntable glossary of symbols

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

Adobe Acrobat Reader

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