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.

|◀ ◀ 5185 - 5220 of 5482 ▶ ▶|
View:
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:
10.00
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:
27.00
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:
40.00
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:
53.00
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:
8.00
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:
9.00
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:
22.00
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:
13.00
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:
Rod: MA21, C1, MURH, MA22

ID-1.375 OD-2 HT-0.375
SPEC SHEET

Available:
12.00
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:
Rod: MA21, C1, MURH, MA22

ID-1.375 OD-2 HT-0.44
SPEC SHEET

Available:
40.00
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:
0.00
ETA:
02/06/2026
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:
21.00
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:
53.00
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:
25.00
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:
22.00
Your Price:
29.72
Each
Item#:
UNP-31204375-562

4.375 x 5 x 0.562 Polyurethane Piston U-Cup Inch

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

ID-4.375 OD-5 HT-0.562
SPEC SHEET

Available:
31.00
Your Price:
37.27
Each
Item#:
UNP-31204875-625

4.875 X 5.5 X 0.625 Polyurethane Piston U-Cup Inch

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

ID- 4.875 OD-5.5 HT-0.625
SPEC SHEET

Available:
6.00
Your Price:
83.98
Each
Item#:
UNP-31205375-625

5.375 x 6 x 0.625 Polyurethane Piston U-Cup Inch

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

ID-5.375 OD-6 HT-0.625
SPEC SHEET

Available:
18.00
Your Price:
40.18
Each
Item#:
UNP-37501750

1.75 x 2.5 x 0.3753 Polyurethane Piston U-Cup Inch

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

ID-1.75 OD-2.5 HT-0.3753
SPEC SHEET

Available:
103.00
Your Price:
25.04
Each
Item#:
UNP-37502500-500

2.5 x 3.25 x 0.5 Polyurethane Piston U-Cup Inch

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

ID-2.5 OD-3.25 HT-0.5
SPEC SHEET

Available:
49.00
Your Price:
25.09
Each
Item#:
UNP-37502750-500

2.75 x 3.5 x 0.5 Polyurethane Piston U-Cup Inch

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

ID-2.75 OD-3.5 HT-0.5
SPEC SHEET

Available:
27.00
Your Price:
26.33
Each
Item#:
UNP-37502750-625-1

2.75 x 3.5 x 0.625 Polyurethane Piston U-Cup Inch

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

ID-2.75 OD-3.5 HT-0.625
SPEC SHEET

Available:
59.00
Your Price:
43.69
Each
Item#:
UNP-37503000-468AN

3.75 x 3 x 0.468 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: MA21, C1, MURH, MA22

ID-3 OD-3.75 HT-0.468
SPEC SHEET

Available:
95.00
Your Price:
58.68
Each
Item#:
UNP-37503000-500

3 x 3.75 x 0.5 Polyurethane Piston U-Cup Inch

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

ID-3 OD-3.75 HT-0.5
SPEC SHEET

Available:
19.00
Your Price:
28.36
Each
Item#:
UNP-37503000-625

3 x 3.75 x 0.625 Polyurethane Piston U-Cup Inch

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

ID-3 OD-3.75 HT-0.625
SPEC SHEET

Available:
34.00
Your Price:
29.81
Each
Item#:
UNP-37503000AN

3.75 x 3 x 0.375 Thin Lip An Polyurethane Piston U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: MA21, C1, MURH, MA22

ID-3 OD-3.75 HT-0.375
SPEC SHEET

Available:
90.00
Your Price:
54.04
Each
Item#:
UNP-37503250

3.25 x 4 x 0.375 Polyurethane Piston U-Cup Inch

002-207
Hydraulic SealAlternative Seals:
Piston: DEEP LLS, US, UNP-AN, LLS

ID-3.25 OD-4 HT-0.375
SPEC SHEET

Available:
0.00
ETA:
01/16/2026
Your Price:
29.30
Each
Item#:
UNP-37503250-437

3.25 x 4 x 0.437 Polyurethane Piston U-Cup Inch

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

ID-3.25 OD-4 HT-0.437
SPEC SHEET

Available:
38.00
Your Price:
33.11
Each
Item#:
UNP-37503250-500

3.25 x 4 x 0.5 Polyurethane Piston U-Cup Inch

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

ID-3.25 OD-4 HT-0.5
SPEC SHEET

Available:
33.00
Your Price:
29.50
Each
Item#:
UNP-37503250-625

3.25 x 4 x 0.625 Polyurethane Piston U-Cup Inch

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

ID-3.25 OD-4 HT-0.625
SPEC SHEET

Available:
40.00
Your Price:
29.50
Each
Item#:
UNP-37503750-500

3.75 x 4.5 x 0.5 Polyurethane Piston U-Cup Inch

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

ID-3.75 OD-4.5 HT-0.5
SPEC SHEET

Available:
8.00
Your Price:
35.99
Each
Item#:
UNP-37503750-625

3.75 x 4.5 x 0.625 Polyurethane Piston U-Cup Inch

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

ID-3.75 OD-4.5 HT-0.625
SPEC SHEET

Available:
23.00
Your Price:
35.99
Each
Item#:
UNP-37504250

4.25 x 5 x 0.375 Polyurethane Piston U-Cup Inch

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

ID-4.25 OD-5 HT-0.375
SPEC SHEET

Available:
22.00
Your Price:
38.88
Each
|◀ ◀ 5185 - 5220 of 5482 ▶ ▶|
View: