U Cups

The u cup is ideal for use on linear moving shafts and piston heads, because unlike an O-ring the shape does not try to roll with the movement and create friction.

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Item#:
BD-25001750-375

1.75 x 2.25 x 0.375 Loaded Urethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-1.75 OD-2.25 HT-0.375

SPEC SHEET

Available:
36.00
Your Price:
23.97
Each
Item#:
BD-25002000-375

2 x 2.5 x 0.375 Loaded Urethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2 OD-2.5 HT-0.375

SPEC SHEET

Available:
229.00
Your Price:
26.30
Each
Item#:
BD-25002000N375 4300

2 x 2.5 x 0.375 Loaded 4300 High Temp PU Dbl Lip Rod Seal w/Id Back Up Inch

Available:
16.00
Contact us to order
Item#:
BD-25002125-375

2.125 x 2.625 x 0.375 Loaded Urethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.125 OD-2.625 HT-0.375

SPEC SHEET

Available:
18.00
Your Price:
30.46
Each
Item#:
BD-25002250-375

2.25 x 2.75 x .375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.25 OD-2.75 HT-0.375

SPEC SHEET

Available:
31.00
Your Price:
31.50
Each
Item#:
BD-25002375-375

2.375 x 2.875 x 0.375 Loaded Urethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.375 OD-2.875 HT-0.375

SPEC SHEET

Available:
22.00
Your Price:
32.01
Each
Item#:
BD-25002500-375

2.5 x 3 x 0.375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.5 OD-3 HT-0.375

SPEC SHEET

Available:
124.00
Your Price:
32.95
Each
Item#:
BD-25002750-375

2.75 x 3.25 x .375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.75 OD-3.25 HT-0.375

SPEC SHEET

Available:
41.00
Your Price:
35.50
Each
Item#:
BD-25003000-375

3 x 3.5 x 0.375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3 OD-3.5 HT-0.375

SPEC SHEET

Available:
156.00
Your Price:
40.04
Each
Item#:
BD-25003250-375

3.25 x 3.75 x .375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3.25 OD-3.75 HT-0.375

SPEC SHEET

Available:
15.00
Your Price:
41.56
Each
Item#:
BD-25003500-375

3.5 x 4 x 0.375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3.5 OD-4 HT-0.375

SPEC SHEET

Available:
125.00
Your Price:
44.85
Each
Item#:
BD-25003750-375

3.75 x 4.25 x .375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3.75 OD-4.25 HT-0.375

SPEC SHEET

Available:
27.00
Your Price:
49.99
Each
Item#:
BD-25004000-375

4 x 4.5 x 0.375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4 OD-4.5 HT-0.375

SPEC SHEET

Available:
51.00
Your Price:
50.18
Each
Item#:
BD-25004000-562

4 x 4.5 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4 OD-4.5 HT-0.562

SPEC SHEET

Available:
32.00
Your Price:
52.61
Each
Item#:
BD-25004250-535

4.25 x 4.75 x .535 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4.25 OD-4.75 HT-0.535

SPEC SHEET

Available:
3.00
Your Price:
55.75
Each
Item#:
BD-25004500-375

4.5 x 5 x 0.375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4.5 OD-5 HT-0.375

SPEC SHEET

Available:
5.00
Your Price:
59.96
Each
Item#:
BD-25004500-562

4.5 x 5 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4.5 OD-5 HT-0.562

SPEC SHEET

Available:
11.00
Your Price:
63.98
Each
Item#:
BD-25005000-562

5 x 5.5 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-5 OD-5.5 HT-0.562

SPEC SHEET

Available:
14.00
Your Price:
68.58
Each
Item#:
BD-25005500-562

5.5 x 6 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-5.5 OD-6 HT-0.562

SPEC SHEET

Available:
12.00
Your Price:
80.37
Each
Item#:
BD-25006000-562

6 x 6.5 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-6 OD-6.5 HT-0.562

SPEC SHEET

Available:
9.00
Your Price:
93.43
Each
Item#:
BD-25006750-562

6.75 x 7.25 x 0.562 Loaded Urethane Dbl Lip Rod Seal w/ID Back Up-Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-6.75 OD-7.25 HT-0.562

SPEC SHEET

Available:
0.00
ETA:
10/02/2026
Your Price:
119.36
Each
Item#:
BD-25007000-500

7 x 7.5 x 0.5 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-7 OD-7.5 HT-0.5

SPEC SHEET

Available:
9.00
Your Price:
120.70
Each
Item#:
BD-25008000-562

8 x 8.5 x 0.562 Loaded Urethane Dbl Lip Rod Seal w/ID Back Up-Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-8 OD-8.5 HT-0.562

SPEC SHEET

Available:
2.00
Your Price:
163.46
Each
Item#:
BD-25X35X7.3

25 x 35 x 7.3 Loaded Polyurethane Dbl Lip Rod Seal w/ID Back Up Metr

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-25 OD-35 HT-7.3

SPEC SHEET

Available:
7.00
Your Price:
41.98
Each
Item#:
BD-280X300X14.5

280 x 300 x 14.5 Loaded Urethane Dbl Lip Rod Seal w/ID Back Up-Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-280 OD-300 HT-14.5

SPEC SHEET

Available:
2.00
Your Price:
199.46
Each
Item#:
BD-290X315X19

290 x 315 x 19 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up - Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-290 OD-315 HT-19

SPEC SHEET

Available:
2.00
Your Price:
226.21
Each
Item#:
BD-295X315X16.4

295 x 315 x 16.4 Loaded Polyurethane Dbl Lip Rod Seal w/ID Back Up Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-295 OD-315 HT-16.4

SPEC SHEET

Available:
2.00
Your Price:
232.99
Each
Item#:
BD-300X320X14.5

300 x 320 x 14.5 Loaded Urethane Dbl Lip Rod Seal w/ID Back Up-Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-300 OD-320 HT-14.5

SPEC SHEET

Available:
2.00
Your Price:
260.49
Each
Item#:
BD-30X40X10

30 x 40 x 10 Loaded Polyurethane Dbl Lip Rod Seal w/ID Back Up Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-30 OD-40 HT-10

SPEC SHEET

Available:
6.00
Your Price:
52.15
Each
Item#:
BD-30X40X7.3

30 x 40 x 7.3 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Metric

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-30 OD-40 HT-7.3

SPEC SHEET

Available:
4.00
Your Price:
50.25
Each
Item#:
BD-31202500-500

2.5 x 3.125 x 0.5 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-2.5 OD-3.125 HT-0.5

SPEC SHEET

Available:
0.00
ETA:
11/06/2026
Your Price:
38.30
Each
Item#:
BD-31203000-500

3 x 3.625 x 0.5 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3 OD-3.625 HT-0.5

SPEC SHEET

Available:
16.00
Your Price:
47.70
Each
Item#:
BD-31203500-500

3.5 x 4.125 x 0.5 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-3.5 OD-4.125 HT-0.5

SPEC SHEET

Available:
12.00
Your Price:
51.94
Each
Item#:
BD-31204000-500

4 x 4.625 x 0.5 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4 OD-4.625 HT-0.5

SPEC SHEET

Available:
11.00
Your Price:
59.93
Each
Item#:
BD-31204000-562

4 x 4.625 x 0.562 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4 OD-4.625 HT-0.562

SPEC SHEET

Available:
8.00
Your Price:
62.22
Each
Item#:
BD-31204500-375

4.5 x 5.125 x .375 Loaded Polyurethane Dbl Lip Rod Seal w/Id Back Up Inch

BD UCup Alternative Seals:
Rod: BS-B, BLLS with BU

ID-4.5 OD-5.125 HT-0.375

SPEC SHEET

Available:
10.00
Your Price:
70.47
Each
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