SLEWING BEARING

FOUR POINT CONTACT BALL

RK SERIES HS SERIES HT SERIES MT SERIES KH SERIES XT SERIES

Four Point Contact Ball

RK SERIES

RK SERIES

No Gear

FLANGED FOUR POINT CONTACT BALL（no gear RK series)
No gear
Outline dimensions & weight Mounting holes Gear data   inv. stub, α = 20° Max gear tooth load Moment rating Kaydon part number
Dr Di Do di do dr G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) approx. Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (-) (in) (-) (in) (-) (-) (lbs) (ft-lbs)
17.87 16.22 20.39 11.97 16.14 14.49 58 19.25 8 13.13 12 – – – – 22,700 RK6-16P1Z
22.99 21.34 25.51 17.09 21.26 19.61 76 24.38 12 18.13 15 – – – – 37,700 RK6-22P1Z
26.93 25.28 29.45 21.03 25.2 23.55 89 28.38 12 22.13 18 – – – – 49,800 RK6-25P1Z
30.87 29.22 33.39 24.97 29.14 27.49 104 32.25 15 26.13 18 – – – – 54,200 RK6-29P1Z
34.8 33.15 37.32 28.9 33.07 31.42 118 36.25 18 30 18 – – – – 56,500 RK6-33P1Z
38.74 37.09 41.26 32.84 37.01 35.36 132 40.13 18 34 20 – – – – 65,200 RK6-37P1Z
44.65 43 47.17 38.75 42.92 41.27 153 46 18 39.88 24 – – – – 75,500 RK6-43P1Z
No gear
Outline dimensions Kaydon part number
Do di
(in) (in)
20.39 11.97 RK6-16P1Z
25.51 17.09 RK6-22P1Z
29.45 21.03 RK6-25P1Z
33.39 24.97 RK6-29P1Z
37.32 28.9 RK6-33P1Z
41.26 32.84 RK6-37P1Z
47.17 38.75 RK6-43P1Z

RK SERIES

Internal Gear

FLANGED FOUR POINT CONTACT BALL（internal gear)
Internal gear
Outline dimensions & weight Mounting holes Gear data   inv. stub, α = 20° Max gear tooth load Moment rating Kaydon part number
Dr Di Do di do dr G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) approx. Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
17.87 16.22 20.39 12.85 16.14 – 65 19.25 8 14.88 12 13.25 4 53 6,800 22,700 RK6-16N1Z
22.99 21.34 25.51 17.6 21.26 – 90 24.38 10 19.63 15 18 4 72 6,530 37,700 RK6-22N1Z
26.93 25.28 29.45 21.6 25.2 – 106 28.38 12 23.63 18 22 4 88 6,400 49,800 RK6-25N1Z
30.87 29.22 33.39 25.6 29.14 – 121 32.25 15 27.63 18 26 4 104 6,300 54,200 RK6-29N1Z
34.8 33.15 37.32 29.133 33.07 – 148 36.25 18 31.5 18 29.667 3 89 8,520 56,500 RK6-33N1Z
38.74 37.09 41.26 33.133 37.01 – 165 40.13 18 35.5 20 33.667 3 101 8,420 65,200 RK6-37N1Z
44.65 43 47.17 39.133 42.92 – 188 46 18 41.5 24 39.667 3 119 8,340 75,500 RK6-43N1Z
Internal gear
Outline dimensions Kaydon part number
Do di
(in) (in)
20.39 12.85 RK6-16N1Z
25.51 17.6 RK6-22N1Z
29.45 21.6 RK6-25N1Z
33.39 25.6 RK6-29N1Z
37.32 29.133 RK6-33N1Z
41.26 33.133 RK6-37N1Z
47.17 39.133 RK6-43N1Z

RK SERIES

External Gear

FLANGED FOUR POINT CONTACT BALL（external gear)
External gear
Outline dimensions & weight Mounting holes Gear data   inv. stub, α = 20° Max gear tooth load Moment rating Kaydon part number
Dr Di Do di do dr G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) approx. Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
– 16.22 19.9 11.97 16.14 14.49 72 18 8 13.13 12 19.5 4 78 5,560 22,700 RK6-16E1Z
– 21.34 25.15 17.09 21.26 19.61 96 23.25 12 18.13 15 24.75 4 99 5,650 37,700 RK6-22E1Z
– 25.28 29.15 21.03 25.2 23.55 115 27.25 15 22.13 18 28.75 4 115 5,700 49,800 RK6-25E1Z
– 29.22 32.9 24.97 29.14 27.49 128 31 18 26.13 18 32.5 4 130 5,740 54,200 RK6-29E1Z
– 33.15 37.2 28.9 33.07 31.42 152 35 18 30 18 36.667 3 110 7,580 56,500 RK6-33E1Z
– 37.09 41.2 32.84 37.01 35.36 172 38.88 18 34 20 40.667 3 122 7,620 65,200 RK6-37E1Z
– 43 46.867 38.75 42.92 41.27 189 44.63 20 39.88 24 46.333 3 139 7,680 75,500 RK6-43E1Z
External gear
Outline dimensions Kaydon part number
Do di
(in) (in)
19.9 11.97 RK6-16E1Z
25.15 17.09 RK6-22E1Z
29.15 21.03 RK6-25E1Z
32.9 24.97 RK6-29E1Z
37.2 28.9 RK6-33E1Z
41.2 32.84 RK6-37E1Z
46.867 38.75 RK6-43E1Z

RK SERIES

Mating Pinions

Mating pinions (RK series)
Mating pinions
Pinion part number Gear data (α = 20°) Outline dimensions & weight Bearing part number
Tooth form z1 Pd b1 L1 D1 Do1 Dr1 Di1 w G
approx.
(in) (in) (in) (in) (in) (in) (in) (in) (lbs)
39200001 SD 14 4 2 2.88 3.5 3.9 2.88 1 1/4 6.4 RK6-16 thru
39200002 17 4 2 2.88 4.25 4.65 3.63 1 10 RK6-29
39200003 SD 14 3 2 2.88 4.667 5.2 3.88 1.25 5/16 11.4 RK6-33 thru
39200004 17 3 2 2.88 5.667 6.2 4.88 1.25 18.3 RK6-43
Mating pinions
Pinion part number Outline dimensions Bearing part number
Do1 Di1
(in) (in)
39200001 3.9 1 RK6-16 thru
39200002 4.65 1 RK6-29
39200003 5.2 1.25 RK6-33 thru
39200004 6.2 1.25 RK6-43

Four Point Contact Ball

HS SERIES

HS SERIES

No Gear

FOUR POINT CONTACT BALL（no gear HS series)
No gear
Outline dimensions & weight Mounting holes Gear data      inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
103 20.4 12 19 8 13.5 12 – – – – 50,500 HS6-16P1Z
137 25.5 17 24 12 18.5 15 – – – – 72,700 HS6-21P1Z
162 29.5 21 28 15 22.5 18 – – – – 91,800 HS6-25P1Z
186 33.4 25 32 15 26.5 18 – – – – 111,900 HS6-29P1Z
216 37.4 28.83 35.75 18 30.5 20 – – – – 128,000 HS6-33P1Z
233 41.25 32.83 39.75 18 34.38 20 – – – – 130,900 HS6-37P1Z
269 47.18 38.75 45.62 20 40.25 24 – – – – 139,900 HS6-43P1Z
No gear
Outline dimensions Kaydon part number
Do di
(in) (in)
20.4 12 HS6-16P1Z
25.5 17 HS6-21P1Z
29.5 21 HS6-25P1Z
33.4 25 HS6-29P1Z
37.4 28.83 HS6-33P1Z
41.25 32.83 HS6-37P1Z
47.18 38.75 HS6-43P1Z

HS SERIES

Internal Gear

FOUR POINT CONTACT BALL（internal gear HS series)
Internal gear
Outline dimensions & weight Mounting holes Gear data      inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
92 20.4 12.85 19 8 14.88 16 13.25 4 53 6,084 50,500 HS6-16N1Z
117 25.5 17.6 24 12 19.63 20 18 4 72 5,842 72,700 HS6-21N1Z
148 29.5 21.6 28 15 23.63 24 22 4 88 5,719 91,800 HS6-25N1Z
171 33.4 25.6 32 15 27.63 28 26 4 104 5,634 111,900 HS6-29N1Z
205 37.4 29.13 35.75 18 31.5 30 29.667 3 89 7,617 128,000 HS6-33N1Z
226 41.25 33.133 39.75 18 35.5 32 33.667 3 101 7,531 130,900 HS6-37N1Z
253 47.18 39.13 45.62 20 41.5 36 39.667 3 119 7,437 139,900 HS6-43N1Z
Internal gear
Outline dimensions Kaydon part number
Do di
(in) (in)
20.4 12.85 HS6-16N1Z
25.5 17.6 HS6-21N1Z
29.5 21.6 HS6-25N1Z
33.4 25.6 HS6-29N1Z
37.4 29.13 HS6-33N1Z
41.25 33.133 HS6-37N1Z
47.18 39.13 HS6-43N1Z

HS SERIES

External Gear

FOUR POINT CONTACT BALL（external gear HS series)
External gear
Outline dimensions & weight Mounting holes Gear data      inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
85 19.9 12 18 14 13.5 12 19.5 4 78 4,981 50,500 HS6-16E1Z
108 25.15 17 23.25 18 18.5 15 24.75 4 99 5,076 72,700 HS6-21E1Z
137 29.15 21 27.25 20 22.5 18 28.75 4 115 5,127 91,800 HS6-25E1Z
158 32.9 25 31 24 26.5 18 32.5 4 130 5,164 111,900 HS6-29E1Z
188 37.2 28.83 35 28 30.5 20 36.667 3 110 6,817 128,000 HS6-33E1Z
207 41.2 32.83 38.88 28 34.38 20 40.667 3 122 6,860 130,900 HS6-37E1Z
237 46.87 38.75 44.63 32 40.25 24 46.333 3 139 6,910 139,900 HS6-43E1Z
External gear
Outline dimensions Kaydon part number
Do di
(in) (in)
19.9 12 HS6-16E1Z
25.15 17 HS6-21E1Z
29.15 21 HS6-25E1Z
32.9 25 HS6-29E1Z
37.2 28.83 HS6-33E1Z
41.2 32.83 HS6-37E1Z
46.87 38.75 HS6-43E1Z

HS SERIES

Mating Pinions

Mating pinions(HS series)
Mating pinions
Pinion part number Gear data (α = 20°) Outline dimensions & weight Bearing part number
Toothform z1 Pd b1 L1 D1 Do1 Dr1 Di1 w G
approx.
(in) (in) (in) (in) (in) (in) (in) (in) (lbs)
39200001 SD 14 4 2 2.88 3.5 3.9 2.88 1 1/4 6.4 HS6-16 thru
39200002 17 4 2 2.88 4.25 4.65 3.63 1 10 HS6-29
39200003 SD 14 3 2 2.88 4.667 5.2 3.88 1.25 5/16 11.4 HS6-33 thru
39200004 17 3 2 2.88 5.667 6.2 4.88 1.25 18.3 HS6-43
Mating pinions
Pinion part number Outline dimensions Bearing part number
Do1 Di1
(in) (in)
39200001 3.9 1 HS6-16 thru
39200002 4.65 1 HS6-29
39200003 5.2 1.25 HS6-33 thru
39200004 6.2 1.25 HS6-43

Four Point Contact Ball

HT SERIES

HT SERIES

No Gear

FOUR POINT CONTACT BALL(no gear HT series)
No gear
Outline dimensions & weight Mounting holes Gear data  inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
447 36 24 33.25 24 26.75 30 – – – – 340,000 HT10-30P1Z
521 42 30 39.25 28 32.75 32 – – – – 395,700 HT10-36P1Z
628 48 36 45.25 32 38.75 36 – – – – 457,000 HT10-42P1Z
719 54 42 51.25 36 44.75 40 – – – – 517,900 HT10-48P1Z
809 60 48 57.25 40 50.75 44 – – – – 578,400 HT10-54P1Z
865 66 54 63.25 44 56.75 48 – – – – 638,800 HT10-60P1Z
No gear
Outline dimensions Kaydon part number
Do di
(in) (in)
36 24 HT10-30P1Z
42 30 HT10-36P1Z
48 36 HT10-42P1Z
54 42 HT10-48P1Z
60 48 HT10-54P1Z
66 54 HT10-60P1Z

HT SERIES

Internal Gear

FOUR POINT CONTACT BALL(internal gear HT series)
Internal gear
Outline dimensions & weight Mounting holes Gear data  inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
411 36 24.16 33.25 24 27.25 30 24.8 2.5 62 21,783 340,000 HT10-30N1Z
517 42 30.16 39.25 28 33.25 32 30.8 2.5 77 21,195 395,700 HT10-36N1Z
580 48 36.16 45.25 32 39.25 36 36.8 2.5 92 20,819 457,000 HT10-42N1Z
689 54 42.16 51.25 36 45.25 40 42.8 2.5 107 20,548 517,900 HT10-48N1Z
775 60 48.16 57.25 40 51.25 44 48.8 2.5 122 20,344 578,400 HT10-54N1Z
842 66 54.16 63.25 44 57.25 48 54.8 2.5 137 20,185 638,800 HT10-60N1Z
Internal gear
Outline dimensions Kaydon part number
Do di
(in) (in)
36 24.16 HT10-30N1Z
42 30.16 HT10-36N1Z
48 36.16 HT10-42N1Z
54 42.16 HT10-48N1Z
60 48.16 HT10-54N1Z
66 54.16 HT10-60N1Z

HT SERIES

External Gear

FOUR POINT CONTACT BALL(external gear HT series)
External gear
Outline dimensions & weight Mounting holes Gear data  inv. stub, α = 20° Max gear tooth load Moment  rating Kaydon part number
G Do di Outer ring Inner ring
approx. (in) (in) Lo no Li ni D2 Pd z2 Fz Crm
(lbs) (in) (in) (in) (lbs) (ft-lbs)
398 35.84 24 32.75 24 26.75 30 35.2 2.5 88 18,393 340,000 HT10-30E1Z
481 41.84 30 38.75 28 32.75 32 41.2 2.5 103 18,608 395,700 HT10-36E1Z
562 47.84 36 44.75 32 38.75 36 47.2 2.5 118 18,772 457,000 HT10-42E1Z
660 53.84 42 50.75 36 44.75 40 53.2 2.5 133 18,901 517,900 HT10-48E1Z
742 59.84 48 56.75 40 50.75 44 59.2 2.5 148 19,005 578,400 HT10-54E1Z
800 65.84 54 62.75 44 56.75 48 65.2 2.5 163 19,090 638,800 HT10-60E1Z
External gear
Outline dimensions Kaydon part number
Do di
(in) (in)
35.84 24 HT10-30E1Z
41.84 30 HT10-36E1Z
47.84 36 HT10-42E1Z
53.84 42 HT10-48E1Z
59.84 48 HT10-54E1Z
65.84 54 HT10-60E1Z

Four Point Contact Ball

MT SERIES

MT SERIES

No Gear

FOUR POINT CONTACT BALL(no gear MT series)
No gear
Outline dimensions & weight Mounting holes Moment rating Kaydon part number
Hi / Ho G Do di H Outer ring Inner ring
(in) approx. (in) (in) (in) Lo no Bo Li ni Bi Crm
(lbs) (in) (in) (in) (in) (ft-lbs)
0.728 2 4.331 1.968 0.787 3.818 8 0.26 2.48 8 0.26 675 MTO-050
0.728 2 4.331 1.968 0.787 3.818 8 M6 2.48 8 M6 675 MTO-050T
0.787 4 5.315 2.559 0.866 4.724 8 0.354 3.149 8 0.354 1,075 MTO-065
0.787 4 5.315 2.559 0.866 4.724 8 M8 3.149 8 M8 1,075 MTO-065T
1.142 13 8.898 4.803 1.339 8.189 12 0.354 5.512 12 0.354 5,020 MTO-122
1.142 13 8.898 4.803 1.339 8.189 12 M8 5.512 12 M8 5,020 MTO-122T
1.142 15 9.803 5.63 1.339 8.937 12 0.433 6.496 12 0.433 8,950 MTO-143
1.142 15 9.803 5.63 1.339 8.937 12 M10 6.496 12 M10 8,950 MTO-143T
1.732 37 11.811 5.709 1.968 10.63 16 0.562 6.89 16 0.562 26,000 MTO-145
1.732 37 11.811 5.709 1.968 10.63 16 5/8-11 6.89 16 5/8-11 26,000 MTO-145T
1.732 41 12.286 5.709 1.968 10.63 16 0.594 6.89 16 0.594 30,600 MTO-145X
1.732 41 12.286 5.709 1.968 10.63 16 9/16-12 UNC 6.89 16 9/16-12 UNC 30,600 MTO-145XT
1.614 33 12.205 6.693 1.811 11.024 12 0.512 7.874 12 0.512 16,520 MTO-170
1.614 33 12.205 6.693 1.811 11.024 12 M12 7.874 12 M12 16,520 MTO-170T
1.496 38 14.37 8.268 1.575 13.19 16 0.562 9.449 20 0.562 44,500 MTO-210
1.496 38 14.37 8.268 1.575 13.19 16 5/8-11 9.449 20 5/8-11 44,500 MTO-210T
1.732 48 14.686 8.268 1.968 13.19 16 0.594 9.449 20 0.594 52,100 MTO-210X
1.732 48 14.686 8.268 1.968 13.19 16 9/16-12UNC 9.449 20 9/16-12UNC 52,100 MTO-210XT
1.732 54 16.535 10.433 1.968 15.354 18 0.562 11.614 24 0.562 62,000 MTO-265
1.732 54 16.535 10.433 1.968 15.354 18 38575 11.614 24 5/8-11 62,000 MTO-265T
1.732 61 17.086 10.433 1.968 15.354 18 0.594 11.614 24 0.594 71,900 MTO-265X
1.732 61 17.086 10.433 1.968 15.354 18 9/16-12 UNC 11.614 24 9/16-12 UNC 71,900 MTO-265XT
2.022 105 20.486 12.75 2.062 18.875 20 5/8-11 14.375 20 5/8-11 102,400 MTO-324T
2.063 105 20.486 12.77 2.375 18.875 20 0.688 14.375 20 0.688 102,400 MTO-324X
2.063 145 24.65 16.25 2.375 22.25 16 0.813 17.75 20 0.813 159,000 MTO-415
2.063 145 24.65 16.25 2.375 22.25 16 3/4-10 UNC 17.75 20 3/4-10 UNC 159,000 MTO-415T
2.063 155 26.9 18.5 2.375 24.5 18 0.813 20 24 0.813 188,000 MTO-470
2.063 155 26.9 18.5 2.375 24.5 18 3/4-10 UNC 20 24 3/4-10 UNC 188,000 MTO-470T
2.063 180 29.65 21.25 2.375 27.25 24 0.813 22.75 28 0.813 232,000 MTO-540
2.063 180 29.65 21.25 2.375 27.25 24 3/4-10 UNC 22.75 28 3/4-10 UNC 232,000 MTO-540T
2.563 305 33.534 23.125 2.875 30.625 18 0.938 24.875 24 0.938 338,000 MTO-590
2.563 305 33.534 23.125 2.875 30.625 18 7/8-9 UNC 24.875 24 7/8-9 UNC 338,000 MTO-590T
2.563 350 38.201 27.75 2.875 35.25 24 0.938 29.5 28 0.938 443,000 MTO-705
2.563 350 38.201 27.75 2.875 35.25 24 7/8-9 UNC 29.5 28 7/8-9 UNC 443,000 MTO-705T
2.88 530 41.85 28.75 3.25 38 20 1.063 31 24 1.063 587,000 MTO-730
2.88 530 41.85 28.75 3.25 38 20 1-8 UNC 31 24 1-8 UNC 587,000 MTO-730T
3.875 835 47.444 34.25 4.25 43.875 24 1.188 36.25 28 1.188 873,000 MTO-870
3.875 835 47.444 34.25 4.25 43.875 24 1 1/8-7 UNC 36.25 28 1 1/8-7 UNC 873,000 MTO-870T
No gear
Outline dimensions Kaydon part number
Do di
(in) (in)
4.331 1.968 MTO-050
4.331 1.968 MTO-050T
5.315 2.559 MTO-065
5.315 2.559 MTO-065T
8.898 4.803 MTO-122
8.898 4.803 MTO-122T
9.803 5.63 MTO-143
9.803 5.63 MTO-143T
11.811 5.709 MTO-145
11.811 5.709 MTO-145T
12.286 5.709 MTO-145X
12.286 5.709 MTO-145XT
12.205 6.693 MTO-170
12.205 6.693 MTO-170T
14.37 8.268 MTO-210
14.37 8.268 MTO-210T
14.686 8.268 MTO-210X
14.686 8.268 MTO-210XT
16.535 10.433 MTO-265
16.535 10.433 MTO-265T
17.086 10.433 MTO-265X
17.086 10.433 MTO-265XT
20.486 12.75 MTO-324T
20.486 12.77 MTO-324X
24.65 16.25 MTO-415
24.65 16.25 MTO-415T
26.9 18.5 MTO-470
26.9 18.5 MTO-470T
29.65 21.25 MTO-540
29.65 21.25 MTO-540T
33.534 23.125 MTO-590
33.534 23.125 MTO-590T
38.201 27.75 MTO-705
38.201 27.75 MTO-705T
41.85 28.75 MTO-730
41.85 28.75 MTO-730T
47.444 34.25 MTO-870
47.444 34.25 MTO-870T

MT SERIES

External Gear

FOUR POINT CONTACT BALL(external gear MT series)
External gear
Outline dimensions & weight Mounting holes Gear data   α = 20° Max gear tooth load Moment rating Kaydon part number
Hi / Ho G Do di H Outer ring Inner ring
(in) approx. (in) (in) (in) Lo no Bo Li ni Bi Tooth D2 Pd z2 b2 Fz Crm
(lbs) (in) (in) (in) (in) form (in) (in) (lbs) (ft-lbs)
1.732 38 12.286 5.709 1.968 10.63 16 0.562 6.89 16 0.562 FS 12 5/7 60 1.732 7,140 26,000 MTE-145
1.732 38 12.286 5.709 1.968 10.63 16 5/8-11 6.89 16 5/8-11 FS 12 5/7 60 1.732 7,140 26,000 MTE-145T
1.732 38 12.286 5.709 1.968 10.63 16 0.594 6.89 16 0.594 FS 12 5/7 60 1.732 7,140 30,600 MTE-145X
1.496 38 14.686 8.268 1.575 13.19 16 0.562 9.449 20 0.562 FS 14.4 5/7 72 1.496 5,810 44,500 MTE-210
1.496 38 14.686 8.268 1.575 13.19 16 5/8-11 9.449 20 5/8-11 FS 14.4 5/7 72 1.496 5,810 44,500 MTE-210T
1.732 44 14.686 8.268 1.968 13.19 16 0.594 9.449 20 0.594 FS 14.4 5/7 72 1.732 7,290 52,100 MTE-210X
1.732 57 17.086 10.433 1.968 15.354 18 0.562 11.614 24 0.562 FS 16.8 5/7 84 1.732 7,330 62,000 MTE-265
1.732 57 17.086 10.433 1.968 15.354 18 5/8-11 11.614 24 5/8-11 FS 16.8 5/7 84 1.732 7,330 62,000 MTE-265T
1.732 57 17.086 10.433 1.968 15.354 18 0.594 11.614 24 0.594 FS 16.8 5/7 84 1.732 7,330 71,900 MTE-265X
2.022 98 20.486 12.75 2.062 18.875 20 5/8-11 14.375 20 5/8-11 FS 20.2 5/7 101 2.022 8,700 102,400 MTE-324T
2.063 99 20.486 12.77 2.375 18.875 20 0.688 14.375 20 0.688 FS 20.2 5/7 101 2.063 8,863 102,400 MTE-324X
2.063 132 24.65 16.25 2.375 22.25 16 0.813 17.75 20 0.813 SD 24.25 4 97 2.063 10,420 159,200 MTE-415
2.063 132 24.65 16.25 2.375 22.25 16 3/4-10 17.75 20 3/4-10 SD 24.25 4 97 2.063 10,420 159,200 MTE-415T
2.063 147 26.9 18.5 2.375 24.5 18 0.813 20 24 0.813 SD 26.5 4 106 2.063 10,460 191,600 MTE-470
2.063 147 26.9 18.5 2.375 24.5 18 3/4-10 20 24 3/4-10 SD 26.5 4 106 2.063 10,460 191,600 MTE-470T
2.063 163 29.65 21.25 2.375 27.25 24 0.813 22.75 28 0.813 SD 29.25 4 117 2.063 10,520 232,000 MTE-540
2.063 163 29.65 21.25 2.375 27.25 24 3/4-10 22.75 28 3/4-10 SD 29.25 4 117 2.063 10,520 232,000 MTE-540T
2.563 283 33.534 23.125 2.875 30.625 18 0.938 24.875 24 0.938 SD 33 3 99 2.563 17,290 338,700 MTE-590
2.563 283 33.534 23.125 2.875 30.625 18 7/8-9 24.875 24 7/8-9 SD 33 3 99 2.563 17,290 338,700 MTE-590T
2.563 325 38.201 27.75 2.875 35.25 24 0.938 29.5 28 0.938 SD 37.667 3 113 2.563 17,390 443,200 MTE-705
2.563 325 38.201 27.75 2.875 35.25 24 7/8-9 29.5 28 7/8-9 SD 37.667 3 113 2.563 17,390 443,200 MTE-705T
2.88 491 41.85 28.75 3.25 38 20 1.063 31 24 1.063 SD 41.2 2.5 103 2.63 21,290 588,000 MTE-730
2.88 491 41.85 28.75 3.25 38 20 1-8 31 24 1-8 SD 41.2 2.5 103 2.63 21,290 588,000 MTE-730T
3.875 771 47.444 34.25 4.25 43.875 24 1.188 36.25 28 1.188 SD 46.8 2.5 117 3.875 31,620 873,800 MTE-870
3.875 771 47.444 34.25 4.25 43.875 24 1 1/8-7 36.25 28 1 1/8-7 SD 46.8 2.5 117 3.875 31,620 873,800 MTE-870T
External gear
Outline dimensions Kaydon part number
Do di
(in) (in)
12.286 5.709 MTE-145
12.286 5.709 MTE-145T
12.286 5.709 MTE-145X
14.686 8.268 MTE-210
14.686 8.268 MTE-210T
14.686 8.268 MTE-210X
17.086 10.433 MTE-265
17.086 10.433 MTE-265T
17.086 10.433 MTE-265X
20.486 12.75 MTE-324T
20.486 12.77 MTE-324X
24.65 16.25 MTE-415
24.65 16.25 MTE-415T
26.9 18.5 MTE-470
26.9 18.5 MTE-470T
29.65 21.25 MTE-540
29.65 21.25 MTE-540T
33.534 23.125 MTE-590
33.534 23.125 MTE-590T
38.201 27.75 MTE-705
38.201 27.75 MTE-705T
41.85 28.75 MTE-730
41.85 28.75 MTE-730T
47.444 34.25 MTE-870
47.444 34.25 MTE-870T

MT SERIES

Mating Pinions

Mating pinions(MT series)
Mating pinions
Pinion part number Gear data (α = 20°) Outline dimensions & weight Bearing part number
Tooth form z1 Pd b1 L1 D1 Do1 Dr1 Di1 w G
approx.
(in) (in) (in) (in) (in) (in) (in) (in) (lbs)
39201001 FS 17 5/7 2.25 3.125 3.4 3.686 2.906 1 1/4 6.6 MTE-145 thru
MTE-324
39200001 SD 14 4 2 2.88 3.5 3.9 2.88 1 1/4 6.4 MTE-415 thru
39200002 17 4 2 2.88 4.25 4.65 3.63 1 10 MTE-540
39200003 SD 14 3 2 2.88 4.667 5.2 3.88 1.25 5/16 11.4 MTE-590 thru
39200004 17 3 2 2.88 5.667 6.2 4.88 1.25 18.3 MTE-705
Mating pinions
Pinion part number Outline dimensions Bearing part number
Do1 Di1
(in) (in)
39201001 3.686 1 MTE-145 thru
MTE-324
39200001 3.9 1 MTE-415 thru
39200002 4.65 1 MTE-540
39200003 5.2 1.25 MTE-590 thru
39200004 6.2 1.25 MTE-705

Four Point Contact Ball

KH SERIES

KH SERIES

No Gear

FOUR POINT CONTACT BALL(no gear KH series)
No gear
Outline dimensions & weight Mounting holes Gear data Max gear tooth load Kaydon Bearings part number
Di do G Do di Outer ring Inner ring
(in) (in) approx. (in) (in) Lo no Li ni D2 b2 Z2 Fz
(lbs) (in) (in) (in) (in) (lbs)
12.75 12.25 80 16.5 8.625 14.75 16 10.25 16 – – – – KH-125P
16.875 16.375 105 20.5 12.75 18.875 20 14.375 20 – – – – KH-166P
22.75 22.25 150 26.7 18.5 24.5 18 20.5 18 – – – – KH-225P
27.75 27.25 185 31.7 23.5 29.5 24 25.5 24 – – – – KH-275P
32.75 32.25 220 36.7 28.5 34.5 28 30.5 28 – – – – KH-325P
No gear
Outline dimensions Kaydon Bearings part number
Do di
(in) (in)
16.5 8.625 KH-125P
20.5 12.75 KH-166P
26.7 18.5 KH-225P
31.7 23.5 KH-275P
36.7 28.5 KH-325P

KH SERIES

External Gear

FOUR POINT CONTACT BALL(external gear KH series)
External gear
Outline dimensions & weight Mounting holes Gear data – FD involute             Pd = 6, α = 20°, AGMA Q8 Max gear tooth load Dynamic & intermittent capacities Kaydon Bearings part number
Di do G Do di Outer ring Inner ring Size Dynamic Intermittent
(in) (in) approx. (in) (in) Lo no Li ni D2 b2 Z2 Fz Axial Moment Axial Moment
(lbs) (in) (in) (in) (in) (lbs) (lbs) (ft-lbs) (lbs) (ft-lbs)
12.75 12.25 75 16.5 8.625 14.75 16 10.25 16 16.167 2 97 5,480 KH-125 32,000 13,100 60,000 25,800 KH-125E
16.875 16.375 100 20.5 12.75 18.875 20 14.375 20 20.167 2 121 5,570 KH-166 36,000 20,500 82,800 45,200 KH-166E
22.75 22.25 140 26.667 18.5 24.5 18 20.5 18 26.333 2 158 5,670 KH-225 40,000 30,500 115,200 56,000 KH-225E
27.75 27.25 175 31.667 23.5 29.5 24 25.5 24 31.333 2 188 5,700 KH-275 43,000 39,600 142,000 75,000 KH-275E
32.75 32.25 205 36.667 28.5 34.5 28 30.5 28 36.333 2 218 5,730 KH-325 45,000 48,100 167,000 92,000 KH-325E
External gear
Outline dimensions Kaydon Bearings part number
Do di
(in) (in)
16.5 8.625 KH-125E
20.5 12.75 KH-166E
26.667 18.5 KH-225E
31.667 23.5 KH-275E
36.667 28.5 KH-325E

Four Point Contact Ball

XT SERIES

XT SERIES

No Gear

FOUR POINT CONTACT BALL(no gear XT series)
No gear
Outline dimensions & weight Mounting holes Gear data           α = 20° Max gear  tooth load Moment rating Kaydon part number
Ho Hi Do di H Dr* dr* G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) (in) approx. Lo no Bo Li ni Bi Tooth D2 Pd z2 x2 b2 Fz Crm
(lbs) (in) (in) (in) (in) form (in) or (m) (in) (lbs) (ft-lbs)
2.8 2.8 61.25 52.325 3.54 – – 585 59.625 30 0.844 54 30 0.844 – – – – – – – 348,000 16289001
5.512 5.512 87.992 69.094 6.024 – – 3,330 83.543 52 1.535 73.543 52 1.535 – – – – – – – 3,675,000 16389001
5 5 129 113 5.5 – – 3,950 125.5 72 1.063 116.5 72 1.063 – – – – – – – 1,337,000 16290001
5 5 178 162 5.5 – – 5,350 174.5 96 1.063 165.5 96 1.063 – – – – – – – 2,258,000 16291001
No gear
Outline dimensions Kaydon part number
Do di
(in) (in)
61.25 52.325 16289001
87.992 69.094 16389001
129 113 16290001
178 162 16291001

XT SERIES

Internal Gear

FOUR POINT CONTACT BALL(internal gear XT series)
Internal gear
Outline dimensions & weight Mounting holes Gear data           α = 20° Max gear  tooth load Moment rating Kaydon part number
Ho Hi Do di H Dr* dr* G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) (in) approx. Lo no Bo Li ni Bi Tooth D2 Pd z2 x2 b2 Fz Crm
(lbs) (in) (in) (in) (in) form (in) or (m) (in) (lbs) (ft-lbs)
1.732 1.732 16.625 9.714 1.968 – – 65 15.354 18 0.594 11.614 24 0.594 FS 10 5/7 50 0 1.732 7,800 71,800 16292001
2 2 20.486 12.75 2.06 – – 105 18.875 20 0.594 14.375 20 0.594 FS 13 5/7 65 0 2 8,800 81,300 16293001
2.375 2.375 25.75 16.85 2.75 – – 180 24.5 18 0.688 19.5 24 0.688 SD 17.25 4 69 0 2.375 12,750 143,000 16294001
2.48 2.48 28.937 19.6 2.834 – – 225 27.165 24 0.813 22.126 30 0.813 SD 20 4 80 0 2.48 13,250 244,000 16295001
2.48 2.48 34.252 24.921 2.834 – – 270 32.48 30 0.813 27.441 36 0.813 SD 25.25 4 101 -0.15 2.48 12,900 343,000 16296001
2.56 3 40.88 30.56 3.38 – 32.375 375 39.25 40 0.813 33.75 40 0.813 SD 31.2 2.5 78 0 2.75 20,230 461,000 16390001
3.5 3.5 48.25 36.4 4 – 38.25 660 46.125 30 0.938 39.875 36 0.938 FD 37.2 2.5 93 0 3.25 21,290 720,000 16374001
3.875 4.625 54.375 41.28 5 – 43 1,090 52.5 48 0.938 45.25 48 0.938 SD 41.6 2.5 104 -0.4 3 24,900 1,131,000 16297001
4.375 4.375 62.25 47.76 4.875 – 49.325 1,370 59.75 48 1.063 51.75 48 1.063 SD 48.4 2.5 121 0 4.312 38,500 1,650,000 16298001
5 5 72.5 57 6 – 59.38 1,900 69.75 48 1.063 61.5 48 1.063 FD 58 2 116 0 4.5 46,600 1,831,000 16299001
5.625 6.125 81.75 62.267 6.5 – 64.75 3,080 78.75 52 1.312 67.625 52 1.312 SD 63.333 1.5 95 0 5 75,450 3,764,000 16300001
6.78 5.66 102.5 85.36 7.44 – 88.38 3,750 99.803 60 1.312 91.142 60 1.312 FD 86.667 1.5 130 0 5.5 81,500 3,457,000 16301001
6.5 6.5 117 93.6 7.125 – 96.375 6,200 113 52 1.562 100 52 1.562 SD 94.667 1.5 142 0 4.75 69,900 6,125,000 16302001
4.134 4.134 148.425 135.039 4.724 – 136.89 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 16303001
5.5 5.5 168 151.7 6 – 153.94 5,500 165.12 90 1.313 156 90 1.313 SD 152.5 2 305 0 5 45,400 3,003,000 16304001
Internal gear
Outline dimensions Kaydon part number
Do di
(in) (in)
16.625 9.714 16292001
20.486 12.75 16293001
25.75 16.85 16294001
28.937 19.6 16295001
34.252 24.921 16296001
40.88 30.56 16390001
48.25 36.4 16374001
54.375 41.28 16297001
62.25 47.76 16298001
72.5 57 16299001
81.75 62.267 16300001
102.5 85.36 16301001
117 93.6 16302001
148.425 135.039 16303001
168 151.7 16304001

XT SERIES

External Gear

FOUR POINT CONTACT BALL(external gear XT series)
External gear
Outline dimensions & weight Mounting holes Gear data           α = 20° Max gear  tooth load Moment rating Kaydon part number
Ho Hi Do di H Dr* dr* G Outer ring Inner ring
(in) (in) (in) (in) (in) (in) (in) approx. Lo no Bo Li ni Bi Tooth D2 Pd z2 x2 b2 Fz Crm
(lbs) (in) (in) (in) (in) form (in) or (m) (in) (lbs) (ft-lbs)
1.141 1.141 9.5 4.813 1.344 – – 15 8.188 12 0.354 5.5 12 0.354 FD 9.25 8 74 0 1.141 2,470 6,200 16305001
2.656 2.656 21.286 12.438 2.812 – – 140 19.156 16 0.813 13.75 18 0.813 FS 21 5/7 105 0 2.656 10,570 122,500 16306001
3.25 3.25 30.457 19 3.625 – – 330 27.375 30 0.813 20.625 29 0.813 SD 30 3.5 105 0 3.25 17,400 322,000 16307001
3.031 3.031 39.4 29.5 3.875 38.375 – 390 36.75 36 0.813 31.25 39 0.813 SD 39 4 156 0 2.75 14,000 477,000 12440001
3.62 3.62 50.64 37.75 4 – – 770 47 30 1.031 40 29 1.031 SD 50 2.5 125 0 3.62 27,400 832,000 16308001
3.625 3.625 54.3 42 4.625 52.25 – 770 50.375 30 1.062 44.125 36 1.062 SD 53.5 2 107 0 3 28,150 875,000 12288001
3.85 4.4 56.24 41.37 4.75 – – 1,133 52 28 1.313 44 28 1.313 SD 55.6 2.5 139 0 3.85 29,300 1,220,000 16309001
4.688 4.688 61.3 47.125 5.875 59.375 – 1,420 57.375 40 1.063 49.25 44 1.063 SD 60.5 2 121 0 4 40,850 1,522,000 16310001
5.875 5.875 75 54.5 6.5 72.56 – 2,865 70.25 40 1.313 58.5 40 1.313 FD 74 2 148 0 4 36,600 2,873,000 16311001
6.5 6.62 85.067 66.75 7.12 82.12 – 3,410 80.125 48 1.313 69.25 48 1.313 SD 84 1.5 126 0 6 81,900 3,575,000 16312001
6 6 98.8 78.4 6.625 98 – 4,000 94.25 72 1.562 82.5 60 1.812 SD 98 2 196 0 4.75 49,600 4,951,000 16313001
5 5 134.331 118.11 5.512 130.984 – 3,600 128.976 72 1.26 120.512 72 1.26 FD 132.52 -18 187 0.28 4.724 61,800 2,070,000 16314001
5.512 5.512 170.079 146.85 6.024 – – 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 16315001
6.25 6.25 196.85 173.622 7 192.716 – 10,100 189.37 80 1.535 177.559 80 1.535 FD 195.276 -20 248 0 5.512 81,000 5,210,000 16316001
5.039 5.039 218.268 197.244 5.512 216.142 – 8,700 212.598 90 1.26 200.787 90 1.26 FD 217.323 -12 460 0 3.78 31,100 3,190,000 16317001
External gear
Outline dimensions Kaydon part number
Do di
(in) (in)
9.5 4.813 16305001
21.286 12.438 16306001
30.457 19 16307001
39.4 29.5 12440001
50.64 37.75 16308001
54.3 42 12288001
56.24 41.37 16309001
61.3 47.125 16310001
75 54.5 16311001
85.067 66.75 16312001
98.8 78.4 16313001
134.331 118.11 16314001
170.079 146.85 16315001
196.85 173.622 16316001
218.268 197.244 16317001