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Roller Chain Couplings - Type LRC0 pages
Roller Chain Couplings
• Ease of Installation
The LRC Coupling can be quickly installed and aligned.
Connected shafts are easily separated by removing the spring
clip connecting link and then the chain from the sprockets.
• Minimum Maintenance
• Inexpensive
• Flexibility
Obtained through use of hardened tooth sprockets, Morse
Precision Roller Chain with hardened rollers, allowing
substantial kW Power in a compact size
When optional spun covers are used lubrication is retained on
the hardened working surfaces.
Low initial cost per kW Power transmitted, and long service
life are obtained through the use of standard components with
hardened working surfaces.
Good installation practice dictates that coupling be installed
with a minimum of misalignment. The LRC Coupling permits
moderate angular and parallel shaft misalignment.
kW Power Ratings - Stock Roller Chain Couplings
Coupling
No.
Torque
Below
50 rpm
Nm
50
100
200
400
600
Revolutions per minute
800
1000
1200
1500
1800
2000
2500
3000
4000
5000
LRC
4012
162
0.8
1.6
2.9
4.4
5.9
7.4
8.9
10.4
12.2
14.4
15.6
19.1
22.4
28.6
34.9
TB
4016
146
0.7
1.5
3.0
6.1
9.2
12.2
15.3
18.3
22.9
27.5
30.5
38.2
44.9
57.2
69.8
LRC
4016
325
1.7
3.2
5.8
8.8
11.4
14.9
17.6
20.4
24.5
28.8
31.3
38.3
44.9
57.2
69.8
LRC
5016
520
2.7
5.2
9.3
14.1
18.3
23.9
28.2
33.3
39.2
46.1
50.1
61.3
71.9
91.5
TB
5018
485
2.5
5.0
10.1
18.8
24.6
32.0
37.8
44.6
52.6
61.9
67.2
82.2
96.5
LRC
5018
712
3.6
7.0
12.5
18.8
24.6
32.0
37.8
44.6
52.6
61.9
67.2
82.2
Fax: +44 121 325 1079
• High Capacity
Te l : + 4 4 1 2 1 3 6 0 0 1 5 5
Cross & Morse Roller Chain Couplings consist of three
high strength components; two special chain sprockets
manufactured from high quality medium carbon alloy
steels connected by a length of high strength Duplex
Roller Chain. The sprockets have precision cut teeth,
induction hardened for maximum service life;
available either plain bore or machined for taper
bores to provide ease of assembly. Size for size an
LRC Roller Chain Coupling correctly lubricated is one
of the strongest couplings available providing the
following design advantages:-
96.5
6018
810
4.2
8.5
17.0
28.7
37.1
48.7
57.2
67.7
76.6
93.6
101.8
124.5
146.1
6018
1056
5.5
10.6
19.0
28.7
37.1
48.7
57.2
67.7
76.6
93.6
101.8
124.5
146.1
TB
6022
1310
6.6
13.7
27.4
42.8
55.4
72.6
85.2
101.0
114.0
139.2
151.5
185.0
LRC
6022
1570
8.2
15.8
28.4
42.8
55.4
72.6
85.2
101.0
114.0
139.2
151.5
185.0
TB
8018
1310
6.6
13.7
27.4
54.8
82.3
109.7
137.2
164.6
205.7
246.9
274.0
LRC
8018
2913
15.2
29.2
52.4
79.3
102.5
134.2
158.0
186.7
219.6
258.1
280.7
TB
8020
2700
14.1
28.3
56.5
103.0
133.2
174.4
205.4
242.7
285.4
335.5
LRC
8020
3772
19.7
37.9
68.1
103.0
133.2
174.4
205.4
242.7
285.4
335.5
LRC 12016
8945
46.8
89.9
161.1
243.5
314.1
412.1
485.3
573.2
674.3
792.3
LRC 12020
11655
61.0
117.1
209.9
317.3
410.0
537.0
632.4
746.9
878.7
LRC 12024
14432
75.5
145.0
259.9
392.9
507.8
665.0
783.0
924.9
LRC 12030
18040
94.0
180.0
324.0
490.0
630.0
830.0
995.0
For maximum service life, couplings selected with ratings to the right of the heavy line in table must be lubricated with a cover.
Maximum speeds are indicated by heavy broken lines.
Torque and power capacities at slow speeds for TB series couplings are governed by taper bush limitations.
In addition to the standard sizes, Roller chain Couplings can be furnished in a wide range of sizes for
special designs with Torque Ratings of up to 2000 Nm.
Misalignment
Maximum angular misalignment is 1˚, but for maximum life angular misalignment should
not exceed 1/2˚. Refer to sketch on right, where .009mm per mm root dia. is equivalent to 1/2˚
angular misalignment.
B – A = .009 x C.
Offset or Parallel misalignment should not exceed 2% of chain pitch.
8
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TB
LRC
