data sheet

28
Polyurethane Timing Belts
AT high performance Timing Belts
50º
AT 3 GEN III
3
High performance AT profile with
Standard version:
Order example
CONTI SYNCHROFLEX ® Timing Belt 10 AT3 / 450 GEN III
Belt width in mm
Type/ Pitch
Belt length in mm
0,8
Specification Generation III
1,1
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 3 GEN III
two-filament construction
flexible construction
FA: with bigger back thickness
FN: with profiles on the back of the belt
Type / Length* Number
GEN III of teeth
AT 3 / 150 50
AT 3 / 201 67
AT 3 / 201 FN68 67
AT 3 / 252 84
AT 3 / 267 89
AT 3 / 270 90
AT 3 / 300 100
AT 3 / 351 117
AT 3 / 399 133
AT 3 / 417 139
AT 3 / 450 150
AT 3 / 486 FN18 162
AT 3 / 501 167
AT 3 / 549 183
AT 3 / 600 200
AT 3 / 639 213
AT 3 / 648 216
AT 3 / 648 FN24 216
AT 3 / 714 238
Preferred belt width* in mm:
6, 10, 16, 25, 32
Type / Length* Number
GEN III of teeth
AT 3 / 816 272
AT 3 / 816 FA 272
AT 3 / 900 300
AT 3 / 1011 337
* Other dimensions upon request.

AT 3 GEN III Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
150
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2200
F Uspec
[N/cm]
40,43
40,00
39,60
39,21
38,85
38,50
37,70
36,98
35,69
34,60
33,64
32,79
32,03
31,34
30,70
30,11
29,56
29,05
28,58
28,13
27,70
27,30
26,91
26,55
26,20
25,88
25,25
Belt width b [mm]
Tension member strength F
M spec
[Ncm/cm]
1,93
1,91
1,89
1,87
1,86
1,84
1,80
1,77
1,70
1,65
1,61
1,57
1,53
1,50
1,47
1,44
1,41
1,39
1,36
1,34
1,32
1,30
1,29
1,27
1,25
1,24
1,21
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
[N]
Belt weight AT 3 GEN III [kg/m]
6
15
20
20
20
330
0,016
10
599
0,026
3. Flexibility (Minimum numbers of teeth, minimum diameter)
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
P spec
[W/cm]
0,00
0,04
0,08
0,12
0,16
0,19
0,28
0,37
0,54
0,69
0,84
0,98
1,12
1,25
1,38
1,51
1,63
1,74
1,86
1,97
2,08
2,18
2,29
2,39
2,49
2,59
2,78
R.p.m.
n [min -1 ]
2400
2500
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
12000
15000
18000
20000
16
1002
0,042
F Uspec
[N/cm]
24,66
24,40
24,14
23,63
23,16
22,71
22,30
21,90
21,53
21,16
20,34
19,59
18,90
18,28
17,69
17,15
16,65
16,18
15,74
15,31
14,91
14,54
13,19
11,53
10,16
9,38
25
1608
0,065
32
M spec
[Ncm/cm]
1,18
1,17
1,15
1,13
1,11
1,09
1,07
1,05
1,03
1,01
0,97
0,94
0,90
0,87
0,85
0,82
0,80
0,77
0,75
0,73
0,71
0,69
0,63
0,55
0,49
0,45
2079
0,083
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
2,96
3,05
3,14
3,31
3,47
3,63
3,79
3,94
4,09
4,23
4,58
4,90
5,20
5,48
5,75
6,00
6,24
6,47
6,69
6,89
7,08
7,27
7,91
8,64
9,15
9,37
Rotational speeds over 20000 rpm and/or belt speeds over 80 m/s
need special drive designs. Please ask our advice.
29

30
Polyurethane Timing Belts
AT high performance Timing Belts
AT 3
50º
AT 3
3
High performance AT profile with
The technical data refer to standard polyurethane
and standard steel cord tension members.
Available versions:
Order example
CONTI SYNCHROFLEX ® Timing Belt 10 AT3 / 450
Belt width in mm
Type/ Pitch
Belt length in mm
0,8
1,1
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 3
upon request
FA: with bigger back thickness
FN: with profiles on the back of the belt
Type / Length* Number
of teeth
AT 3 / 150 50
AT 3 / 201 67
AT 3 / 201 FN68 67
AT 3 / 252 84
AT 3 / 267 89
AT 3 / 270 90
AT 3 / 300 100
AT 3 / 351 117
AT 3 / 399 133
AT 3 / 417 139
AT 3 / 450 150
AT 3 / 486 FN18 162
AT 3 / 501 167
AT 3 / 549 183
AT 3 / 600 200
AT 3 / 639 213
AT 3 / 648 216
AT 3 / 648 FN24 216
AT 3 / 714 238
Preferred belt width* in mm:
6, 10, 16, 25, 32
Type / Length* Number
of teeth
AT 3 / 816 272
AT 3 / 816 FA 272
AT 3 / 900 300
AT 3 / 1011 337
* Other dimensions upon request.

AT 3 Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
150
200
300
400
500
600
700
730
800
900
1000
1100
1200
1300
1400
1460
1500
1600
1700
1800
1900
2000
F Uspec
[N/cm]
32,34
32,00
31,68
31,37
31,08
30,80
30,16
29,58
28,55
27,68
26,91
26,23
25,62
25,45
25,07
24,56
24,09
23,65
23,24
22,86
22,50
22,29
22,16
21,84
21,53
21,24
20,96
20,70
M spec
[Ncm/cm]
1,544
1,528
1,513
1,498
1,484
1,471
1,440
1,412
1,363
1,322
1,285
1,252
1,223
1,215
1,197
1,173
1,150
1,129
1,110
1,091
1,074
1,064
1,058
1,043
1,028
1,014
1,001
0,988
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
6
15
20
20
20
190
0,014
10
380
0,023
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 3 [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
P spec
[W/cm]
0,000
0,032
0,063
0,094
0,124
0,154
0,226
0,296
0,428
0,554
0,673
0,787
0,897
0,929
1,003
1,105
1,204
1,301
1,394
1,486
1,575
1,627
1,662
1,747
1,830
1,911
1,991
2,070
R.p.m.
n [min -1 ]
2200
2400
2500
2600
2800
2880
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
12000
15000
18000
20000
16
646
0,037
F Uspec
[N/cm]
20,20
19,73
19,52
19,31
18,90
18,75
18,53
18,17
17,84
17,52
17,22
16,93
16,27
15,67
15,12
14,62
14,15
13,72
13,32
12,94
12,59
12,25
11,93
11,63
10,55
9,22
8,13
7,50
25
1102
0,058
32
M spec
[Ncm/cm]
0,964
0,942
0,932
0,922
0,902
0,895
0,885
0,868
0,852
0,837
0,822
0,808
0,777
0,748
0,722
0,698
0,676
0,655
0,636
0,618
0,601
0,585
0,570
0,555
0,504
0,440
0,388
0,358
1406
0,074
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
2,222
2,367
2,440
2,510
2,646
2,700
2,779
2,907
3,033
3,153
3,272
3,386
3,660
3,917
4,158
4,386
4,598
4,802
4,995
5,176
5,350
5,512
5,666
5,815
6,330
6,914
7,316
7,499
Rotational speeds over 20000 rpm and/or belt speeds over 80 m/s
need special drive designs. Please ask our advice.
31

32
Polyurethane Timing Belts
AT high performance Timing Belts
50º
AT 5 GEN III
5
Order example
CONTI SYNCHROFLEX ® Timing Belt 50 AT5 / 450 GEN III
Belt width in mm
Type / Pitch
Belt length in mm
Specification Generation III
1,5
1,2
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 5 GEN III
High performance AT profile with
Standard version:
red colour
high density
two-filament construction
flexible construction
FA: with bigger back thickness
Type / Length* Number
GEN III of teeth
AT 5 / 225 45
AT 5 / 255 51
AT 5 / 260 52
AT 5 / 280 56
AT 5 / 300 60
AT 5 / 330 66
AT 5 / 340 68
AT 5 / 375 75
AT 5 / 390 78
AT 5 / 420 84
AT 5 / 450 90
AT 5 / 455 91
AT 5 / 480 96
AT 5 / 490 98
AT 5 / 500 100
AT 5 / 525 105
AT 5 / 545 109
AT 5 / 600 120
AT 5 / 610 122
AT 5 / 620 124
AT 5 / 630 126
AT 5 / 660 132
AT 5 / 670 134
AT 5 / 690 138
AT 5 / 710 142
Preferred belt width* in mm:
6, 10, 16, 25, 32, 50, 75, 100
Type / Length* Number
GEN III of teeth
AT 5 / 720 144
AT 5 / 750 150
AT 5 / 780 156
AT 5 / 825 165
AT 5 / 860 172
AT 5 / 875 175
AT 5 / 900 180
AT 5 / 920 184
AT 5 / 975 195
AT 5 / 1050 210
AT 5 / 1125 225
AT 5 / 1230 246
AT 5 / 1500 300
AT 5 / 1750 350
AT 5 / 2000 400
AT 5 / 3350 FA** 670
AT 5 / 3800 FA** 760
* Other dimensions upon request.
** Please request technical support
from your Mulco sales partner.

AT 5 GEN III Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
44,13
43,63
43,13
42,63
42,25
41,88
40,00
38,63
37,25
36,25
35,25
34,28
33,50
32,88
32,13
31,50
31,00
30,38
29,88
29,38
29,00
28,50
28,13
27,75
M spec
[Ncm/cm]
3,51
3,48
3,44
3,40
3,36
3,33
3,19
3,08
2,96
2,88
2,80
2,74
2,68
2,61
2,56
2,51
2,64
2,42
2,38
2,34
2,30
2,27
2,24
2,21
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 5 GEN III [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
15
25
20
60
P spec
[W/cm]
6
0,00
0,07
0,14
0,21
0,28
0,35
0,67
0,96
1,24
1,51
1,76
2,00
2,24
2,46
2,68
2,89
3,10
3,30
3,49
3,68
3,86
4,04
4,21
4,39
417
0,022
10
787
0,036
R.p.m.
n [min -1 ]
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
16
1342
0,058
25
2175
0,090
F Uspec
[N/cm]
27,38
26,63
26,00
25,38
24,80
24,28
23,76
23,30
22,85
22,41
22,01
21,08
20,23
19,45
18,75
18,10
17,49
16,93
16,39
15,89
15,41
14,96
14,54
32
2823
0,115
M spec
[Ncm/cm]
50
4489
0,180
2,18
2,12
2,07
2,02
1,97
1,93
1,89
1,85
1,82
1,78
1,85
1,68
1,61
1,55
1,49
1,44
1,39
1,35
1,30
1,26
1,23
1,19
1,16
75
6803
0,270
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
4,56
4,89
5,20
5,50
5,79
6,06
6,34
6,60
6,85
7,10
7,34
7,90
8,43
8,91
9,38
9,80
10,20
10,58
10,93
11,25
11,55
11,84
12,11
Rotational speeds over 10000 rpm and/or belt speeds over 80 m/s
need special drive designs. Please ask our advice.
100
9117
0,360
33

34
Polyurethane Timing Belts
AT high performance Timing Belts
50º
AT 5
5
1,5
1,2
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 5
High performance AT profile with
The technical data refer to standard polyurethane
and standard steel cord tension members.
Available versions:
a better flexibility
upon request
mechanical reworked
Order example
CONTI SYNCHROFLEX ® Timing Belt 10 AT5 / 450
Belt width in mm
Type / Pitch
Belt length in mm
Type / Length* Number
of teeth
AT 5 / 225 45
AT 5 / 255 51
AT 5 / 260 52
AT 5 / 280 56
AT 5 / 300 60
AT 5 / 330 66
AT 5 / 340 68
AT 5 / 375 75
AT 5 / 390 78
AT 5 / 420 84
AT 5 / 450 90
AT 5 / 455 91
AT 5 / 480 96
AT 5 / 490 98
AT 5 / 500 100
AT 5 / 525 105
AT 5 / 545 109
AT 5 / 600 120
AT 5 / 610 122
AT 5 / 620 124
AT 5 / 630 126
AT 5 / 660 132
AT 5 / 670 134
AT 5 / 690 138
AT 5 / 710 142
Preferred belt width* in mm:
10, 16, 25, 32, 50
Type / Length* Number
of teeth
AT 5 / 720 144
AT 5 / 750 150
AT 5 / 780 156
AT 5 / 825 165
AT 5 / 860 172
AT 5 / 875 175
AT 5 / 900 180
AT 5 / 920 184
AT 5 / 975 195
AT 5 / 1050 210
AT 5 / 1125 225
AT 5 / 1230 246
AT 5 / 1500 300
AT 5 / 1750 350
AT 5 / 2000 400
AT 5 / 3350 FA** 670
AT 5 / 3800 FA** 760
* Other dimensions upon request.
** Please request technical support
from your Mulco sales partner.

AT 5 Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
35,3
34,9
34,5
34,1
33,8
33,5
32,0
30,9
29,8
29,0
28,2
27,5
26,8
26,3
25,7
25,2
24,8
24,3
23,9
23,5
23,2
22,8
22,5
22,2
M spec
[Ncm/cm]
2,810
2,780
2,750
2,720
2,690
2,660
2,550
2,460
2,370
2,300
2,240
2,190
2,140
2,090
2,050
2,010
1,970
1,936
1,903
1,872
1,843
1,816
1,789
1,764
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 5 [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
15
25
20
60
P spec
[W/cm]
0,000
0,058
0,115
0,171
0,225
0,279
0,534
0,771
0,995
1,207
1,409
1,603
1,789
1,969
2,140
2,310
2,480
2,640
2,790
2,940
3,090
3,230
3,370
3,510
6
350
0,020
10
700
0,034
R.p.m.
n [min -1 ]
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
16
1260
0,054
25
2030
0,085
F Uspec
[N/cm]
21,9
21,3
20,8
20,3
19,84
19,42
19,01
18,64
18,28
17,93
17,61
16,86
16,18
15,56
15,00
14,48
13,99
13,54
13,11
12,71
12,33
11,97
11,63
32
2660
0,109
M spec
[Ncm/cm]
50
4200
0,170
1,740
1,695
1,654
1,615
1,579
1,545
1,513
1,483
1,454
1,427
1,401
1,342
1,288
1,239
1,194
1,152
1,113
1,077
1,043
1,011
0,981
0,953
0,925
75
6370
0,255
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
3,650
3,910
4,160
4,400
4,63
4,85
5,07
5,28
5,48
5,68
5,87
6,32
6,74
7,13
7,50
7,84
8,16
8,46
8,74
9,00
9,24
9,47
9,69
Rotational speeds over 10000 rpm and/or belt speeds over 80 m/s
need special drive designs. Please ask our advice.
100
8610
0,340
35

36
Polyurethane Timing Belts
AT high performance Timing Belts
50º
AT 10 GEN III
10
Order example
CONTI SYNCHROFLEX ® Timing Belt 32 AT10 / 800 GEN III
Belt width in mm
Type / Pitch
Belt length in mm
Specification Generation III
2,5
2,5
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 10 GEN III
High performance AT profile with
Standard version:
red colour
high density
two-filament construction
FN: with profiles on the back of the belt
Type / Length* Number
GEN III of teeth
AT 10 / 440 44
AT 10 / 460 46
AT 10 / 500 50
AT 10 / 560 56
AT 10 / 570 57
AT 10 / 580 58
AT 10 / 600 60
AT 10 / 610 61
AT 10 / 660 66
AT 10 / 700 70
AT 10 / 730 73
AT 10 / 780 78
AT 10 / 800 80
AT 10 / 840 84
AT 10 / 840 FN2 84
AT 10 / 880 88
AT 10 / 890 89
AT 10 / 920 92
AT 10 / 960 96
AT 10 / 980 98
AT 10 / 1000 100
AT 10 / 1010 101
AT 10 / 1050 105
AT 10 / 1080 108
AT 10 / 1100 110
Preferred belt width* in mm:
16, 25, 32, 50, 75, 100, 150
Type / Length* Number
GEN III of teeth
AT 10 / 1150 115
AT 10 / 1200 120
AT 10 / 1210 121
AT 10 / 1250 125
AT 10 / 1280 128
AT 10 / 1300 130
AT 10 / 1320 132
AT 10 / 1350 135
AT 10 / 1360 136
AT 10 / 1360 FN2 136
AT 10 / 1400 140
AT 10 / 1480 148
AT 10 / 1500 150
AT 10 / 1600 160
AT 10 / 1700 170
AT 10 / 1720 172
AT 10 / 1800 180
AT 10 / 1860 186
AT 10 / 1940 194
AT 10 / 2910 FN2 291
* Other dimensions upon request.

AT 10 GEN III Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
91,88
90,50
89,25
88,13
87,00
85,88
81,25
77,63
74,38
71,75
69,38
67,13
65,25
63,50
61,88
60,38
59,00
57,75
56,50
55,38
54,25
53,25
52,25
51,25
M spec
[Ncm/cm]
14,63
14,41
14,21
14,01
13,84
13,68
12,94
12,35
11,85
11,41
11,04
10,69
10,39
10,10
9,85
9,61
9,39
9,19
8,99
8,80
8,64
8,48
8,31
8,16
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 10 GEN III [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
P spec
[W/cm]
0,00
0,30
0,60
0,88
1,16
1,43
2,71
3,88
4,96
5,98
6,94
7,84
8,70
9,53
10,31
11,08
11,80
12,50
13,18
13,84
14,46
15,08
15,68
16,25
16
3000
0,117
15
50
25
120
25
5000
0,183
R.p.m.
n [min -1 ]
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
32
6750
0,234
50
F Uspec
[N/cm]
10750
0,365
50,38
48,75
47,25
45,75
44,38
43,13
42,00
40,88
39,88
38,88
37,88
35,63
33,63
31,88
30,25
28,75
27,25
26,00
24,71
23,55
22,44
21,40
20,40
75
16500
0,548
M spec
[Ncm/cm]
8,03
7,75
7,51
7,29
7,08
6,88
6,69
6,50
6,34
6,18
6,03
5,68
5,36
5,08
4,81
4,56
4,34
4,13
3,94
3,75
3,58
3,40
3,25
100
22000
0,730
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
16,80
17,88
18,88
19,83
20,73
21,59
22,40
23,16
23,89
24,59
25,25
26,75
28,13
29,25
30,25
31,13
31,88
32,50
33,00
33,38
33,63
33,88
34,00
Rotational speeds over 10000 rpm and/or belt speeds over 60 m/s
need special drive designs. Please ask our advice.
150
33500
1,095
37

38
Polyurethane Timing Belts
AT high performance Timing Belts
AT 10
50º
AT 10
10
2,5
2,5
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 10
High performance AT profile with
The technical data refer to standard polyurethane
and standard steel cord tension members.
Available versions:
a better flexibility
upon request
mechanical reworked
FN: with profiles on the back of the belt
Order example
CONTI SYNCHROFLEX ® Timing Belt 32 AT10 / 800
Belt width in mm
Type / Pitch
Belt length in mm
Type / Length* Number
of teeth
AT 10 / 440 44
AT 10 / 460 46
AT 10 / 500 50
AT 10 / 560 56
AT 10 / 570 57
AT 10 / 580 58
AT 10 / 600 60
AT 10 / 610 61
AT 10 / 660 66
AT 10 / 700 70
AT 10 / 730 73
AT 10 / 780 78
AT 10 / 800 80
AT 10 / 840 84
AT 10 / 840 FN2 84
AT 10 / 880 88
AT 10 / 890 89
AT 10 / 920 92
AT 10 / 960 96
AT 10 / 980 98
AT 10 / 1000 100
AT 10 / 1010 101
AT 10 / 1050 105
AT 10 / 1080 108
AT 10 / 1100 110
Preferred belt width* in mm:
16, 25, 32, 50, 75, 100
Type / Length* Number
of teeth
AT 10 / 1150 115
AT 10 / 1200 120
AT 10 / 1210 121
AT 10 / 1250 125
AT 10 / 1280 128
AT 10 / 1300 130
AT 10 / 1320 132
AT 10 / 1350 135
AT 10 / 1360 136
AT 10 / 1360 FN2 136
AT 10 / 1400 140
AT 10 / 1480 148
AT 10 / 1500 150
AT 10 / 1600 160
AT 10 / 1700 170
AT 10 / 1720 172
AT 10 / 1800 180
AT 10 / 1860 186
AT 10 / 1940 194
AT 10 / 2910 FN2 291
* Other dimensions upon request.

AT 10 Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
73,5
72,4
71,4
70,5
69,6
68,7
65,0
62,1
59,5
57,4
55,5
53,7
52,2
50,8
49,5
48,3
47,2
46,2
45,2
44,3
43,4
42,6
41,8
41,0
M spec
[Ncm/cm]
11,70
11,53
11,37
11,21
11,07
10,94
10,35
9,88
9,48
9,13
8,83
8,55
8,31
8,08
7,88
7,69
7,51
7,35
7,19
7,04
6,91
6,78
6,65
6,53
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 10 [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
15
50
25
120
P spec
[W/cm]
0,000
0,241
0,476
0,705
0,928
1,145
2,170
3,100
3,970
4,780
5,550
6,270
6,960
7,620
8,250
8,860
9,440
10,000
10,540
11,070
11,570
12,060
12,540
13,000
16
2000
0,101
25
3500
0,158
R.p.m.
n [min -1 ]
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
32
4750
0,202
50
F Uspec
[N/cm]
40,30
39,00
37,80
36,60
35,50
34,50
33,60
32,70
31,90
31,10
30,30
28,50
26,90
25,50
24,20
23,00
21,80
20,80
19,77
18,84
17,95
17,12
16,32
7750
0,315
75
12000
0,473
M spec
[Ncm/cm]
6,42
6,20
6,01
5,83
5,66
5,50
5,35
5,20
5,07
4,94
4,82
4,54
4,29
4,06
3,85
3,65
3,47
3,30
3,15
3,00
2,86
2,72
2,60
100
16000
0,630
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
P spec
[W/cm]
13,44
14,30
15,10
15,86
16,58
17,27
17,92
18,53
19,11
19,67
20,20
21,40
22,50
23,40
24,20
24,90
25,50
26,00
26,40
26,70
26,90
27,10
27,20
Rotational speeds over 10000 rpm and/or belt speeds over 60 m/s
need special drive designs. Please ask our advice.
150
24500
0,945
39

48
Polyurethane Timing Belts
AT high performance Timing Belts
50º
20
4
5
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 20 GEN III
High performance AT profile with
Standard version:
two-filament construction
CONTI SYNCHROFLEX ® Timing Belt 32 AT20 / 1000 GEN III
Belt width in mm
Type / Pitch
AT 20 GEN III
Order example
Belt length in mm
Specification Generation III
Type / Length* Number
GEN III of teeth
AT 20 / 1000 ** 50
AT 20 / 1100 55
AT 20 / 1200 ** 60
AT 20 / 1260 63
AT 20 / 1500 ** 75
AT 20 / 1600 ** 80
AT 20 / 1700 85
AT 20 / 1760 ** 88
AT 20 / 1800 90
AT 20 / 1900 ** 95
Preferred belt width* in mm:
32, 50, 75, 100
Type / Length* Number
GEN III of teeth
AT 20 / 1960 ** 98
* Other dimensions upon request.
** In combination with reduced pulley gap
please ask for technical support from
your Mulco sales partner.

AT 20 GEN III Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
150
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
183,750
180,310
177,108
174,112
171,298
168,645
162,609
157,268
148,138
140,512
133,963
128,226
123,120
118,521
114,336
110,498
106,953
103,660
100,585
97,701
94,986
92,421
89,990
87,681
85,481
M spec
[Ncm/cm]
58,489
57,395
56,375
55,422
54,526
53,682
51,760
50,060
47,154
44,726
42,642
40,816
39,190
37,726
36,394
35,173
34,044
32,996
32,017
31,099
30,235
29,419
28,645
27,910
27,209
P spec
[W/cm]
0,000
1,202
2,361
3,482
4,568
5,622
8,130
10,485
14,814
18,735
22,327
25,645
28,728
31,606
34,301
36,833
39,216
41,464
43,587
45,594
47,493
49,291
50,995
52,608
54,138
R.p.m.
n [min -1 ]
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
F Uspec
[N/cm]
83,380
79,444
75,816
72,451
69,314
66,375
63,612
61,003
58,534
56,189
53,957
48,806
44,170
39,955
36,091
32,525
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 20 GEN III [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
18
120
25
180
25
6300
0,290
32
8550
0,371
50
13950
0,583
75
21600
0,87
M spec
[Ncm/cm]
26,541
25,288
24,133
23,062
22,063
21,128
20,248
19,418
18,632
17,886
17,175
15,535
14,060
12,718
11,488
10,353
100
28800
1,16
CONTI SYNCHROFLEX ®
150
P spec
[W/cm]
55,587
58,259
60,653
62,791
64,693
66,375
67,852
69,137
70,241
71,173
71,943
73,209
73,617
73,251
72,183
70,470
Rotational speeds over 6500 rpm and/or belt speeds over 40 m/s
need special drive designs. Please ask for our advice.
44100
1,74
Drive type without contraflexure
Drive type with contraflexure
49

50
Polyurethane Timing Belts
AT high performance Timing Belts
50º
AT 20
20
4
5
CONTI SYNCHROFLEX ® Timing Belt (SFX) AT 20
High performance AT profile with
The technical data refer to standard polyurethane
and standard steel cord tension members.
Available versions:
Order example
CONTI SYNCHROFLEX ® Timing Belt 50 AT20 / 1500
Belt width in mm
Type / Pitch
Belt length in mm
Type / Length* Number
of teeth
AT 20 / 1000 ** 50
AT 20 / 1100 55
AT 20 / 1200 ** 60
AT 20 / 1260 63
AT 20 / 1500 ** 75
AT 20 / 1600 ** 80
AT 20 / 1700 85
AT 20 / 1760 ** 88
AT 20 / 1800 90
AT 20 / 1900 ** 95
Preferred belt width* in mm:
32, 50, 75, 100
Type / Length* Number
of teeth
AT 20 / 1960 ** 98
* Other dimensions upon request.
** In combination with reduced pulley gap
please ask for technical support from
your Mulco sales partner.

AT 20 Technical data
1. Tooth shear strength (specific belt tooth strength)
R.p.m.
n [min -1 ]
0
20
40
60
80
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
F Uspec
[N/cm]
147,0
144,2
141,7
139,3
137,0
134,9
125,8
118,5
112,4
107,2
102,6
98,5
94,8
91,5
88,4
85,6
82,9
80,5
78,2
76,0
73,9
72,0
70,1
68,4
M spec
[Ncm/cm]
46,80
45,90
45,10
44,30
43,60
42,90
40,00
37,70
35,80
34,10
32,70
31,40
30,20
29,10
28,10
27,20
26,40
25,60
24,90
24,20
23,50
22,90
22,30
21,80
2. Tension member strength (permitted tensile force of the belt F ), Belt weight
Belt width b [mm]
Tension member strength F
3. Flexibility (Minimum numbers of teeth, minimum diameter)
[N]
Belt weight AT 20 [kg/m]
min
Tension roller (smooth),
running on teeth d min [mm]
min
Tension roller (smooth),
running on the back of the belt d min [mm]
18
120
25
180
P spec
[W/cm]
0,000
0,962
1,889
2,790
3,650
4,500
8,390
11,850
14,990
17,860
20,500
23,000
25,300
27,400
29,500
31,400
33,200
34,900
36,500
38,000
39,400
40,800
42,100
43,300
32
6750
0,339
50
R.p.m.
n [min -1 ]
11250
0,530
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4500
5000
5500
6000
6500
75
17550
0,795
F Uspec
[N/cm]
66,7
63,6
60,7
58,0
55,5
53,1
50,9
48,8
46,8
45,0
43,2
39,0
35,3
32,0
28,9
26,0
100
M spec
[Ncm/cm]
23850
1,060
21,20
20,20
19,31
18,45
17,65
16,90
16,20
15,53
14,91
14,31
13,74
12,43
11,25
10,17
9,19
8,28
150
Drive type without contraflexure
Drive type with contraflexure
CONTI SYNCHROFLEX ®
36450
1,590
P spec
[W/cm]
44,500
46,600
48,500
50,200
51,800
53,100
54,300
55,300
56,200
56,900
57,600
58,600
58,800
60,600
61,700
62,400
Rotational speeds over 6500 rpm and/or belt speeds over 40 m/s
need special drive designs. Please ask for our advice.
51