The all-metal end ring, used exclusively in FAST'S® couplings, eliminates the need for any type of perishable lube seal. The end ring not only provides an escape route for lubricant, but it also pilots the sleeve during start-up and shut-down operations. It further eliminates partial tooth disengagement with resulting tooth overloads by providing sleeve teeth. The sleeve teeth are flush against the inside wall of the end ring.
It is the only coupling designed to use oil lubrication. To be sure that your couplings provide Maximum Life, always specify FAST'S couplings, with the all-metal end ring.
Talk to one of our expert sales professionals to learn more about how this product can improve your business.
Additional Data
Coupling Size
Maximum Bore with Standard Keyway
Maximum Bore with Reduced Depth Keyway
Reduced Depth Keyway
Rating HP/ 100 RPM
Torque Rating(lb. -in.)
Peak Torque Rating(lb. -in.)
Maximum Speed (RPM)
Weight with Solid Hubs(lb.)
1 1/2
1 5/8
1 3/4
3/8 x 1/8
27
17000
34000
12000
16.5
2
2 1/8
2 1/4
1/2 x 3/16
50
31500
63000
9300
27.4
2 1/2
2 3/4
3
3/4 x 3/16
90
56700
113400
7900
48.0
3
3 1/4
3 3/8
7/8 x 1/4
160
101000
202000
6800
70.8
3 1/2
3 3/4
4
1 x 5/16
235
148000
296000
6000
113
4
4 1/4
4 1/2
1 x 3/8
375
236000
472000
5260
177
4 1/2
4 3/4
5 1/8
1 1/4 x 7/16
505
318000
636000
4770
231
5
5 1/2
5 7/8
1 1/2 x 7/16
700
441000
882000
4300
351
5 1/2
5 7/8
6 3/8
1 1/2 x 1/2
920
580000
1160000
3880
435
6
6 1/2
7
1 3/4 x 1/2
1205
759000
1518000
3600
538
7
8
8 1/2
2 x 1/2
1840
1160000
2320000
3000
860
Coupling Size
Maximum Bore with Standard Key
Rating HP/ 100 RPM
Torque Rating(lb. -in. x 1000)
Peak Torque Rating(lb. -in. x 1000)
Maximum Speed (RPM)
Weight with Solid Hubs(lb.)
8
8 3/4
2230
1404
2808
1750
1408
9
9 3/4
3170
1995
3990
1625
1898
10
11
4350
2744
5488
1500
2548
11
12
5780
3645
7290
1375
3342
12
13
7190
4532
9064
1250
4194
13
14 1/4
9030
5688
11376
1125
5112
14
15 1/2
11080
6982
13964
1000
6100
15
17
13470
8488
16976
875
7650
16
18
16100
10150
20300
750
8965
18
20 1/2
21100
13300
26600
500
11770
20
23
28800
18144
36288
400
16910
22
26
38100
24009
48018
300
22370
24
28
42400
26699
53398
200
28830
26
30
53000
33415
66830
200
35890
28
33
65900
41564
83128
200
42660
30
36
80300
50614
101228
200
49780
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