TFS SERIES CAM CLUTCH
1 – Inner race 2 – Outer race 3 – Cam 4 – Spring 5 – Plate 6 – Snap ring
Additional information including shaft and bore tolerances are found in the Engineering section starting on page 92. Dimensions and Capacities
Max. Overrunning
Torque Capacity
Drag Torque
Bore Size in. (mm)
A in. (mm)
B in. (mm)
C in. (mm)
D in. (mm)
E in. (mm)
F in. (mm)
G in. (mm)
H in. (mm)
Weight lb. (g)
Inner Race r/min
Outer Race r/min
lb.ft. (Nm)
lb.ft. (Nm)
Keyway (mm)
Model
13.3 (18) 20.7 (28) 36.9 (50) 62.0
0.030 0.472
0.512 1.378 1.181 0.709 0.024 0.012 0.157 0.055 0.150
TFS12
4500
2300
4 x 1.8
(0.04)
(12)
(13)
(35)
(30)
(18)
(0.6)
(0.3)
(4)
(1.4)
(68)
0.044 0.591
0.709 1.654 1.417 0.866 0.031 0.012 0.197 0.071 0.264
TFS15
3500
1800
5 x 1.2
(0.06)
(15)
(18)
(42)
(36)
(22)
(0.8)
(0.3)
(5)
(1.8)
(120)
0.081 0.669
0.748 1.850 1.496 0.866 0.047 0.031 0.197 0.091 0.330
TFS17
3200
1600
5 x 1.2
(0.11)
(17)
(19)
(47)
(38)
(22)
(1.2)
(0.8)
(5)
(2.3)
(150)
0.133 0.787
0.827 2.047 1.772 1.063 0.047 0.031 0.236 0.091 0.484
TFS20
2500
1300
6 x 1.6
(84)
(0.18)
(20)
(21)
(52)
(45)
(27)
(1.2)
(0.8)
(6)
(2.3)
(220)
94.4 (128)
0.140 0.984
0.945 2.441 2.047 1.378 0.047 0.031 0.315 0.110 0.792
TFS25
2000
1000
8 x 2.0
(0.19)
(25)
(24)
(62)
(52)
(35)
(1.2)
(0.8)
(8)
(2.8)
(360)
148
0.155 1.181
1.063 2.835 2.441 1.575 0.071 0.039 0.394 0.098 1.166
TFS30
1600
800
8 x 2.0
(200)
(0.21)
(30)
(27)
(72)
(62)
(40)
(1.8)
(1.0)
(10)
(2.5)
(530)
350
0.310 1.378
1.220 3.150 2.756 1.890 0.071 0.039 0.472 0.138 1.738
TFS35
1400
700
10 x 2.4
(475)
(0.42)
(35)
(31)
(80)
(70)
(48)
(1.8)
(1.0)
(12)
(3.5)
(790)
448
0.339 1.575
1.299 3.543 3.071 2.146 0.071 0.039 0.472 0.161 2.310
TFS40
1300
650
12 x 2.2
(607)
(0.46)
(40)
(33)
(90)
(78)
(54.5)
(1.8)
(1.0)
(12)
(4.1)
(1050)
558
0.413 1.772
1.417 3.937 3.358 2.323 0.071 0.039 0.551 0.181 3.014
TFS45
1100
550
14 x 2.1
(756)
(0.56)
(45)
(36)
(100)
(85.3)
(59)
(1.8)
(1.0)
(14)
(4.6)
(1370)
829
0.443 1.969
1.575 4.331 3.622 2.559 0.071 0.039 0.551 0.220 4.180
TFS50
1000
500
14 x 2.1
(1124)
(0.60)
(50)
(40)
(110)
(92)
(65)
(1.8)
(1.0)
(14)
(5.6)
(1900)
1457
0.642 2.362
1.811 5.118 4.331 3.307 0.102 0.059 0.709 0.217 6.842
TFS60
840
420
18 x 2.3
(1975)
(0.87)
(60)
(46)
(130)
(110)
(84)
(2.6)
(1.5)
(18)
(5.5)
(3110)
1854
0.671 2.756
2.008 5.906 4.921 3.583 0.102 0.059 0.787 0.272 9.658
TFS70
750
380
20 x 2.7
(2514)
(0.91)
(70)
(51)
(150)
(125)
(91)
(2.6)
(1.5)
(20)
(6.9)
(4390)
2894
0.900 3.150
2.283 6.693 5.512 3.937 0.102 0.059 0.787 0.295 14.168
TFS80
670
340
22 x 3.1
(3924)
(1.22)
(80)
(58)
(170)
(140)
(100)
(2.6)
(1.5)
(20)
(7.5)
(6440)
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