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Kaydon Bearings Slewinfinite Solutions

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

Kaydon's MT series heavy duty slewing ring bearings offer Slewinfinite® solutions for applications such as truck mounted cranes, hoists, and non-precision industrial tables and positioners, providing optimal economy and capacity for a given envelope dimension.
 

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Turntable specifications

 
No gear
External gear
Mating pinions
Notes & related items

 

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Kaydon Bearings - MT turntable 3D

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.

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

Applications
MT series slewing rings 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

Larger sizes are well suited for:

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

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 - MT series turntable profile - no gear
No gear
Kaydon
part
number
Outline dimensions & weight Mounting holes Moment
rating
Crm
(ft-lbs)
Do
(in)
di
(in)
H
(in)
Hi / Ho
(in)
G
approx.
(lbs)
Outer ring Inner ring
Lo
(in)
no Bo
(in)
Li
(in)
ni Bi
(in)
MTO-050 4.331 1.968 0.787 0.728 2 3.818 8 0.26 2.480 8 0.26 830
MTO-050T 4.331 1.968 0.787 0.728 2 3.818 8 M6 2.480 8 M6 830
MTO-065 5.315 2.559 0.866 0.787 4 4.724 8 0.354 3.149 8 0.354 1,330
MTO-065T 5.315 2.559 0.866 0.787 4 4.724 8 M8 3.149 8 M8 1,330
MTO-122 8.898 4.803 1.339 1.142 13 8.189 12 0.354 5.512 12 0.354 5,020
MTO-122T 8.898 4.803 1.339 1.142 13 8.189 12 M8 5.512 12 M8 5,020
MTO-143 9.803 5.630 1.339 1.142 15 8.937 12 0.433 6.496 12 0.433 8,950
MTO-143T 9.803 5.630 1.339 1.142 15 8.937 12 M10 6.496 12 M10 8,950
MTO-145 11.811 5.709 1.968 1.732 37 10.630 16 0.562 6.890 16 0.562 26,000
MTO-145T 11.811 5.709 1.968 1.732 37 10.630 16 5/8-11 6.890 16 5/8-11 26,000
MTO-145X 12.286 5.709 1.968 1.732 41 10.630 16 0.594 6.890 16 0.594 30,600
MTO-170 12.205 6.693 1.811 1.614 33 11.024 12 0.512 7.874 12 0.512 16,520
MTO-170T 12.205 6.693 1.811 1.614 33 11.024 12 M12 7.874 12 M12 16,520
MTO-210 14.370 8.268 1.575 1.496 38 13.190 16 0.562 9.449 20 0.562 44,500
MTO-210T 14.370 8.268 1.575 1.496 38 13.190 16 5/8-11 9.449 20 5/8-11 44,500
MTO-210X 14.686 8.268 1.968 1.732 48 13.190 16 0.594 9.449 20 0.594 52,100
MTO-265 16.535 10.433 1.968 1.732 54 15.354 18 0.562 11.614 24 0.562 62,000
MTO-265T 16.535 10.433 1.968 1.732 54 15.354 18 5/8-11 11.614 24 5/8-11 62,000
MTO-265X 17.086 10.433 1.968 1.732 61 15.354 18 0.594 11.614 24 0.594 71,900
MTO-324T 20.486 12.750 2.062 2.022 105 18.875 20 5/8-11 14.375 20 5/8-11 102,400
MTO-324X 20.486 12.770 2.375 2.063 105 18.875 20 0.688 14.375 20 0.688 102,400
Part number MTO-324 has been superseded by MTO-324T

See glossary of symbols

Kaydon Bearings - MT series turntable profile - external gear
External gear
Kaydon
part
number
Outline dimensions & weight Mounting holes Gear data
α = 20°
Moment
rating
Crm
(ft-lbs)
Do
(in)
di
(in)
H
(in)
Hi / Ho
(in)
G
approx.
(lbs)
Outer ring Inner ring
Lo
(in)
no Bo
(in)
Li
(in)
ni Bi
(in)
Tooth
form
D2
(in)
Pd z2 b2
(in)
Fz
(lbs)
MTE-145 12.286 5.709 1.968 1.732 38 10.630 16 0.562 6.890 16 0.562 FS 12.000 5/7 60 1.732 7,140 26,000
MTE-145T 12.286 5.709 1.968 1.732 38 10.630 16 5/8-11 6.890 16 5/8-11 FS 12.000 5/7 60 1.732 7,140 26,000
MTE-145X 12.286 5.709 1.968 1.732 38 10.630 16 0.594 6.890 16 0.594 FS 12.000 5/7 60 1.732 7,140 30,600
MTE-210 14.686 8.268 1.575 1.496 38 13.190 16 0.562 9.449 20 0.562 FS 14.400 5/7 72 1.496 5,810 44,500
MTE-210T 14.686 8.268 1.575 1.496 38 13.190 16 5/8-11 9.449 20 5/8-11 FS 14.400 5/7 72 1.496 5,810 44,500
MTE-210X 14.686 8.268 1.968 1.732 44 13.190 16 0.594 9.449 20 0.594 FS 14.400 5/7 72 1.732 7,290 52,100
MTE-265 17.086 10.433 1.968 1.732 57 15.354 18 0.562 11.614 24 0.562 FS 16.800 5/7 84 1.732 7,330 62,000
MTE-265T 17.086 10.433 1.968 1.732 57 15.354 18 5/8-11 11.614 24 5/8-11 FS 16.800 5/7 84 1.732 7,330 62,000
MTE-265X 17.086 10.433 1.968 1.732 57 15.354 18 0.594 11.614 24 0.594 FS 16.800 5/7 84 1.732 7,330 71,900
MTE-324T 20.486 12.750 2.062 2.022 98 18.875 20 5/8-11 14.375 20 5/8-11 FS 20.200 5/7 101 2.022 8,700 102,400
MTE-324X 20.486 12.770 2.375 2.063 99 18.875 20 0.688 14.375 20 0.688 FS 20.200 5/7 101 2.063 8,863 102,400
MTE-415 24.650 16.250 2.375 2.063 132 22.250 16 0.813 17.750 20 0.813 SD 24.250 4 97 2.063 10,420 159,200
MTE-415T 24.650 16.250 2.375 2.063 132 22.250 16 3/4-10 17.750 20 3/4-10 SD 24.250 4 97 2.063 10,420 159,200
MTE-470 26.900 18.500 2.375 2.063 147 24.500 18 0.813 20.000 24 0.813 SD 26.500 4 106 2.063 10,460 191,600
MTE-470T 26.900 18.500 2.375 2.063 147 24.500 18 3/4-10 20.000 24 3/4-10 SD 26.500 4 106 2.063 10,460 191,600
MTE-540 29.650 21.250 2.375 2.063 163 27.250 24 0.813 22.750 28 0.813 SD 29.250 4 117 2.063 10,520 232,000
MTE-540T 29.650 21.250 2.375 2.063 163 27.250 24 3/4-10 22.750 28 3/4-10 SD 29.250 4 117 2.063 10,520 232,000
MTE-590 33.534 23.125 2.875 2.563 283 30.625 18 0.938 24.875 24 0.938 SD 33.000 3 99 2.563 17,290 338,700
MTE-590T 33.534 23.125 2.875 2.563 283 30.625 18 7/8-9 24.875 24 7/8-9 SD 33.000 3 99 2.563 17,290 338,700
MTE-705 38.201 27.750 2.875 2.563 325 35.250 24 0.938 29.500 28 0.938 SD 37.667 3 113 2.563 17,390 443,200
MTE-705T 38.201 27.750 2.875 2.563 325 35.250 24 7/8-9 29.500 28 7/8-9 SD 37.667 3 113 2.563 17,390 443,200
MTE-730 41.850 28.750 3.250 2.880 491 38.000 20 1.063 31.000 24 1.063 SD 41.200 2.5 103 2.630 21,290 588,000
MTE-730T 41.850 28.750 3.250 2.880 491 38.000 20 1-8 31.000 24 1-8 SD 41.200 2.5 103 2.630 21,290 588,000
MTE-870 47.444 34.250 4.250 3.875 771 43.875 24 1.188 36.250 28 1.188 SD 46.800 2.5 117 3.875 31,620 873,800
MTE-870T 47.444 34.250 4.250 3.875 771 43.875 24 1 1/8-7 36.250 28 1 1/8-7 SD 46.800 2.5 117 3.875 31,620 873,800
Part number MTE-324 has been superseded by MTE-324T

See glossary of symbols

Kaydon Bearings - RK series turntable profile - mating pinions
Mating pinions
Bearing
part
number
Pinion
part
number
Gear data (α = 20°) Outline dimensions & weight
Tooth
form
z1 Pd
(in)
b1
(in)
L1
(in)
D1
(in)
Do1
(in)
Dr1
(in)
Di1
(in)
w
(in)
G
approx.
(lbs)
MTE-145 thru
MTE-324
39201001 FS 17 5/7 2.250 3.125 3.400 3.686 2.906 1.000 1/4 6.6
MTE-415 thru
MTE-540
39200001
39200002
SD 14
17
4
4
2.000
2.000
2.880
2.880
3.500
4.250
3.900
4.650
2.880
3.630
1.000
1.000
1/4 6.4
10.0
MTE-590 thru
MTE-705
39200003
39200004
SD 14
17
3
3
2.000
2.000
2.880
2.880
4.667
5.667
5.200
6.200
3.880
4.880
1.250
1.250
5/16 11.4
18.3
Tolerances     Ref. ±.015 ±.015 Ref. -.010 Ref. +.002    

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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
Turntable glossary of symbols

Related downloads
Catalog 390: MT series (Adobe PDF)
Catalog 390: MT series mating pinions (Adobe PDF)
Catalog 390: all pages (Adobe PDF)

Adobe Acrobat Reader

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