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.

|◀ ◀ 5113 - 5148 of 5427 ▶ ▶|
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Item#:
UNP-25001500-375

1.5 x 2 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-1.5 OD-2 HT-0.375
SPEC SHEET

Available:
48.00
Your Price:
12.59
Each
Item#:
UNP-25002000

2 x 2.5 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2 OD-2.5 HT-0.25
SPEC SHEET

Available:
56.00
Your Price:
13.68
Each
Item#:
UNP-25002000-375

2 x 2.5 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2 OD-2.5 HT-0.375
SPEC SHEET

Available:
58.00
Your Price:
14.27
Each
Item#:
UNP-25002000-375ODBU

2 x 2.5 x 0.375 Polyurethane Piston U-Cup w/POM Built in OD Back Up Inch

Available:
14.00
Your Price:
27.20
Each
Item#:
UNP-25002062-343AN

2.562 x 2.062 x 0.343 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston:UNP, DEEP LLS, LLS, US

ID-0.75 OD-1.125 HT-0.25
SPEC SHEET

Available:
92.00
Your Price:
29.86
Each
Item#:
UNP-25002062AN

2.562 x 2.062 x 0.25 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston:UNP, DEEP LLS, LLS, US

ID-0.75 OD-1.125 HT-0.25
SPEC SHEET

Available:
81.00
Your Price:
28.89
Each
Item#:
UNP-25002250-375

2.25 x 2.75 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.25 OD-2.75 HT-0.375
SPEC SHEET

Available:
123.00
Your Price:
16.01
Each
Item#:
UNP-25002500

2.5 x 3 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.5 OD-3 HT-0.25
SPEC SHEET

Available:
37.00
Your Price:
17.75
Each
Item#:
UNP-25002500-375

2.5 x 3 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.5 OD-3 HT-0.375
SPEC SHEET

Available:
122.00
Your Price:
17.75
Each
Item#:
UNP-25002500-375ODBU

2.5 x 3 x 0.375 Polyurethane Piston U-Cup w/POM Built in OD Back Up Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.5 OD-3 HT-0.375
SPEC SHEET

Available:
41.00
Your Price:
33.16
Each
Item#:
UNP-25002750-375

2.75 x 3.25 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.75 OD-3.25 HT-0.375
SPEC SHEET

Available:
22.00
Your Price:
19.61
Each
Item#:
UNP-25003000

3 x 3.5 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3 OD-3.5 HT-0.25
SPEC SHEET

Available:
54.00
Your Price:
20.04
Each
Item#:
UNP-25003000-375

3 x 3.5 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3 OD-3.5 HT-0.375
SPEC SHEET

Available:
125.00
Your Price:
23.04
Each
Item#:
UNP-25003000-375ODBU

3 x 3.5 x 0.375 Polyurethane Piston U-Cup w/POM Built in OD Back Up Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3 OD-3.5 HT-0.375
SPEC SHEET

Available:
23.00
Your Price:
46.32
Each
Item#:
UNP-25003250-375

3.25 x 3.75 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.25 OD-3.75 HT-0.375
SPEC SHEET

Available:
19.00
Your Price:
24.06
Each
Item#:
UNP-25003500

3.5 x 4 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.5 OD-4 HT-0.25
SPEC SHEET

Available:
32.00
Your Price:
23.41
Each
Item#:
UNP-25003500-375

3.5 x 4 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.5 OD-4 HT-0.375
SPEC SHEET

Available:
141.00
Your Price:
24.59
Each
Item#:
UNP-25003500-375 NBR

3.5 x 4 x 0.375 Non-Symmetrical Rubber Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.5 OD-4 HT-0.375
SPEC SHEET

Available:
45.00
Your Price:
23.10
Each
Item#:
UNP-25003750-375

3.75 x 4.25 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.75 OD-4.25 HT-0.375
SPEC SHEET

Available:
27.00
Your Price:
25.03
Each
Item#:
UNP-25004000-375

4 x 4.5 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-4 OD-4.5 HT-0.375
SPEC SHEET

Available:
21.00
Your Price:
25.57
Each
Item#:
UNP-25004500

4.5 x 5 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-4.5 OD-5 HT-0.25
SPEC SHEET

Available:
92.00
Your Price:
26.67
Each
Item#:
UNP-25004500-375

4.5 x 5 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-4.5 OD-5 HT-0.375
SPEC SHEET

Available:
105.00
Your Price:
26.57
Each
Item#:
UNP-25004500-437-1

4.5 x 5 x 0.437 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-4.5 OD-5 HT-0.437
SPEC SHEET

Available:
6.00
Your Price:
64.75
Each
Item#:
UNP-25004500-562

4.5 x 5 x 0.562 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-4.5 OD-5 HT-0.562
SPEC SHEET

Available:
15.00
Your Price:
35.54
Each
Item#:
UNP-25005000-375

5 x 5.5 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-5 OD-5.5 HT-0.375
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
UNP-25005500

5.5 x 6 x 0.25 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-5.5 OD-6 HT-0.25
SPEC SHEET

Available:
17.00
Your Price:
42.98
Each
Item#:
UNP-25005500-375

5.5 x 6 x 0.375 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-5.5 OD-6 HT-0.375
SPEC SHEET

Available:
20.00
Your Price:
42.98
Each
Item#:
UNP-25005500-562

5.5 x 6 x 0.562 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-5.5 OD-6 HT-0.562
SPEC SHEET

Available:
22.00
Your Price:
42.98
Each
Item#:
UNP-25809491-285

9.491 x 10 x .285 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-9.491 OD-10 HT-0.285

SPEC SHEET

Available:
19.00
Your Price:
49.84
Each
Item#:
UNP-31201375-375AN

2 x 1.375 x 0.375 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston:UNP, DEEP LLS, LLS, US

ID-0.75 OD-1.125 HT-0.25
SPEC SHEET

Available:
0.00
ETA:
10/30/2026
Your Price:
24.50
Each
Item#:
UNP-31201375-440AN

2 x 1.375 x 0.44 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston:UNP, DEEP LLS, LLS, US

ID-0.75 OD-1.125 HT-0.25
SPEC SHEET

Available:
30.00
Your Price:
31.56
Each
Item#:
UNP-31201375-500

1.375 x 2 x 0.5 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-1.375 OD-2 HT-0.5
SPEC SHEET

Available:
26.00
Your Price:
18.15
Each
Item#:
UNP-31201875-500

1.875 x 2.5 x .5 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-1.875 OD-2.5 HT-0.5
SPEC SHEET

Available:
33.00
Your Price:
29.13
Each
Item#:
UNP-31202375-500

2.375 x 3 x 0.5 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.375 OD-3 HT-0.5
SPEC SHEET

Available:
61.00
Your Price:
20.19
Each
Item#:
UNP-31202875-500

2.875 x 3.5 x 0.5 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-2.875 OD-3.5 HT-0.5
SPEC SHEET

Available:
23.00
Your Price:
20.41
Each
Item#:
UNP-31203375-500

3.375 x 4 x 0.5 Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.375 OD-4 HT-0.5
SPEC SHEET

Available:
10.00
Your Price:
29.72
Each
|◀ ◀ 5113 - 5148 of 5427 ▶ ▶|
View: