SU Type Industrial Disc Coupling
- Unitized disc pack (6 bolt)
- Infinite life when properly aligned
- Torsionally rigid without any back lash
- No need for lubrication or maintenance
- No wearing parts and high resistance to harsh environmental conditions
- Larger sizes are available upon request
- ATEX Certified

Resources
Disc Coupling Digital Catalog & 3D CAD
Disc Catalog (main catalog) pdf
*excludes 4 Bolt and Composite
4 Bolt Disc Catalog (Sub Catalog) pdf
SU Type Industrial Disc Coupling Additional Resources
The SU Type coupling consists of:
- Two – Hubs
- One – 6 Bolt Disc Pack Kit
This coupling is only suitable for the specified axial and angular misalignment and does not accommodate parallel misalignment
Nominal |
Peak |
Max Speed |
ID1-ID2 |
Weight |
Maximum Misalignment |
||||||||
|
Torque |
Torque |
Unbal | Bal |
Max Bore |
|
Axial (±delta Ka) |
Angular |
|||||
Size |
in-lb |
Nm |
in-lb |
Nm |
RPM |
RPM |
in |
mm |
lbs |
kg |
in |
mm |
degrees |
90-6 |
2,100 |
240 |
4,200 |
480 |
9,100 |
22,700 |
1.5 |
38 |
3.1 |
1.4 |
0.030 |
0.75 |
1.5° |
110-6 |
5,100 |
575 |
10,200 |
1150 |
7,200 |
18,000 |
1.81 |
46 |
5.1 |
2.3 |
0.039 |
1.00 |
1.5° |
132-6 |
9,700 |
1100 |
19,500 |
2200 |
5,840 |
14,600 |
2.38 |
60 |
8.4 |
3.8 |
0.051 |
1.30 |
1.5° |
158-6 |
17,700 |
2000 |
35,400 |
4000 |
4,920 |
12,300 |
2.75 |
70 |
14.1 |
6.4 |
0.059 |
1.50 |
1.5° |
185-6 |
29,200 |
3300 |
58,400 |
6600 |
4,200 |
10,500 |
3.13 |
80 |
21.8 |
9.9 |
0.071 |
1.80 |
1.5° |
202-6 |
40,700 |
4600 |
81,400 |
9200 |
3,840 |
9,600 |
3.5 |
90 |
29.8 |
13.5 |
0.075 |
1.90 |
1° |
228-6 |
62,000 |
7000 |
123,900 |
14000 |
3,400 |
8,500 |
3.94 |
100 |
41.9 |
19.0 |
0.083 |
2.10 |
1° |
255-6 |
90,300 |
10200 |
180,600 |
20400 |
3,080 |
7,700 |
4.31 |
110 |
63.9 |
29.0 |
0.091 |
2.30 |
1° |
278-6 |
125,700 |
14200 |
251,400 |
28400 |
2,800 |
7,000 |
4.88 |
124 |
81.6 |
37.0 |
0.102 |
2.60 |
1° |
302-6 |
177,000 |
20000 |
354,000 |
40000 |
2,560 |
6,400 |
5.31 |
135 |
108.0 |
49.0 |
0.110 |
2.80 |
1° |
325-6 |
221,300 |
25000 |
442,600 |
50000 |
2,400 |
6,000 |
5.75 |
145 |
133.4 |
60.5 |
0.126 |
3.20 |
1° |
345-6 |
274,400 |
31000 |
549,000 |
62000 |
2,200 |
5,500 |
6.06 |
155 |
160.9 |
73.0 |
0.134 |
3.40 |
1° |
380-6 |
374,400 |
42300 |
749,000 |
84600 |
2,040 |
5,100 |
6.69 |
170 |
211.6 |
96.0 |
0.150 |
3.80 |
1° |
410-6 |
505,400 |
57100 |
1,011,000 |
114200 |
1,880 |
4,700 |
7.13 |
180 |
273.4 |
124.0 |
0.161 |
4.10 |
1° |
440-6 |
650,500 |
73500 |
1,301,000 |
147000 |
1,740 |
4,350 |
7.69 |
195 |
332.9 |
151.0 |
0.173 |
4.40 |
1° |
*Performance Notes:
- “Bal” Max Speed requires special balancing
- Max Bore shown for cylindrical or taper shafts with keys
- Weight given for complete coupling with maximum bores
- Misalignment data based on one disc pack
- Contact Lovejoy Technical Support for larger sizes and torque capacities
Please Note: CAD Files are located in the digital catalog.
- For Parallel Misalignment: see Industrial SX Type
- For “Drop-in” Spacer: see Industrial DI Type
- For Close Coupling: see Industrial SXC Type
- For Servicing without moving hubs: see Industrial SXCS and SXCST Type
- For Smaller Disc Couplings: see Mini Disc Type
- Or, for other coupling types: see Coupling Preselection Guide