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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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6226 - NITRILE SYMMETRICAL (AN) U-CUP - INCH (67)
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8400 - NITRILE SYMMETRICAL U-CUP - INCH (131)
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BD - DOUBLE LIP O-RING LOADED ROD SEAL w/BACKUP - INCH (67)
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BD - DOUBLE LIP O-RING LOADED ROD SEAL w/BACKUP -METRIC (114)
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BP - DOUBLE LIP ORING LOADED URETHANE PISTON SEAL -INCH (10)
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BS - DOUBLE LIP URETHANE ROD SEAL - INCH (224)
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BS - DOUBLE LIP URETHANE ROD SEAL - METRIC (395)
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BS-B - URETHANE DOUBLE LIP ROD SEAL w/POM BACKUP - INCH (8)
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BS-B -URETHANE DBL LIP ROD SEAL w/POM BU-METRIC (22)
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BSLL - DOUBLE LIP ORING LOADED URETHANE ROD SEAL - INCH (29)
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BT - 4300® HIGH TEMP DOUBLE LIP ROD U-CUP - INCH (27)
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C1 - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (80)
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C2 - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (41)
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DZ - DEEP Z ROD SEAL - INCH (21)
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MA20 - NITRILE U-CUP w/STEPPED NYLON HEEL - METRIC (19)
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MA21 - NITRILE SYMMETRICAL PISTON or ROD U-CUP - METRIC (60)
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MA22 - NITRILE SYMMETRICAL PISTON or ROD U-CUP - METRIC (21)
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MA23 - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (9)
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MA24 - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (16)
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MA25 - URETHANE SYMMETRICAL ROD/PISTON U-CUP - METRIC (544)
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MA28 - URETHANE ASYMMETRICAL PISTON U-CUP-METRIC (122)
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MA28B/UNP Piston U-CUP w/OD BACKUP INCH & METRIC (23)
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MA30 - URETHANE ASYMMETRICAL ROD SEAL - METRIC (241)
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MA30B-URETHANE ROD SEAL w/NYLON BACKUP - METRIC (16)
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MA35 - URETHANE SYMMETRICAL DOUBLE LIP ROD SEAL -METRIC (60)
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MLLB - BEVELED O-RING LOADED LIP SEAL - METRIC (28)
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MUPH - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (29)
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MURH - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (22)
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OUY - NITRILE PISTON U-CUP w/POM BACKUP - METRIC (8)
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POLYPAK®/ DEEP O-RING LOADED LIP SEAL - INCH (534)
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POLYPAK®/BEVELED O-RING LOADED LIP SEAL - INCH (1018)
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POLYPAK®/STANDARD O-RING LOADED LIP SEAL - INCH (949)
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PR - PIP RING (PRESSURE INVERTING PEDESTAL RING) - INCH (66)
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RSE- URE PISTON U-CUP w/STEPPED BACKUP/BEARING- Metric (40)
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UCF - FABRIC REINFORCED NITRILE U-CUP - INCH (38)
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UCH - NITRILE NON-STANDARD HOMOGENEOUS U-CUP - INCH (40)
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UCL - LEATHER U-CUP w/NITRILE FILLER - INCH (15)
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UNP - AN - THIN LIP URETHANE PISTON U-CUP - INCH (11)
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UNP - URETHANE ASYMMETRICAL PISTON U-CUP - INCH (76)
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UNR - URETHANE ASYMMETRICAL ROD SEAL - INCH (34)
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UNRR - POLYURETHANE RIBBED ROD SEAL - INCH (13)
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UNRR - POLYURETHANE RIBBED ROD SEAL-METRIC (13)
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US- URETHANE SYMMETRICAL ROD or PISTON U-CUP - INCH (162)
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W1-3PC NBR/POM/TFE HGH PRESSURE POWERWASHER SEAL-METRIC (13)
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W2 - 1PC NBR/FAB LOW PRESSURE POWERWASHER SEAL - METRIC (7)
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W3 - 2 PC LOW PRESSURE POWERWASHER SEAL - METRIC (4)
ID-4 OD-6 HT-1
Available:
7.00
Your Price:
174.35
Each
Item#:
100004000LLS
ID-4 OD-6 HT-1
Available:
0.00
Item is no longer available.
This item has been replaced by
100004000
Item#:
100007500
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-7.5 OD-9.5 HT-1
Available:
10.00
Your Price:
268.29
Each
Item#:
100007500LLS
ID-7.5 OD-9.5 HT-1
Available:
0.00
Item is no longer available.
This item has been replaced by
100007500
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-18 OD-19.5 HT-0.75
SPEC SHEET
Available:
1.00
Your Price:
915.32
Each
ID-16 OD-18 HT-1.25
Available:
0.00
Item is no longer available.
This item has been replaced by
100016000-1250B
Item#:
100018000LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-18 OD-20 HT-1
Available:
0.00
Contact us to order
Item#:
100025000-1343LLS
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
ID-25 OD-27 HT-1.343
SPEC SHEET
Available:
1.00
Your Price:
2623.01
Each
Item#:
100026000-1500
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
ID-26 OD-28 HT-1.5
SPEC SHEET
Available:
5.00
Contact us to order
Item#:
100026000-1500LLS
ID-26 OD-28 HT-1.5
Available:
0.00
Item is no longer available.
This item has been replaced by
100026000-1500
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.093 OD-0.343 HT-0.125
Available:
0.00
Item is no longer available.
Item#:
12500093LLS
Alternative Seals:
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.093 OD-0.343 HT-0.125
Available:
100.00
Your Price:
8.98
Each
ID-0.125 OD-0.375 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12500125LLS
Alternative Seals:
Rod: Deep LLS, UNRR, LLS
BD, BSLL, BS-B, BS, BT, UNR, US, DZ
Available:
0.00
Item is no longer available.
This item has been replaced by
12500125-250BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.125 OD-0.375 HT-0.25
SPEC SHEET
Available:
381.00
Your Price:
5.46
Each
Item#:
12500125LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.125 OD-0.375 HT-0.125
Available:
132.00
Your Price:
5.15
Each
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.14 OD-0.39 HT-0.125
Available:
47.00
Your Price:
5.84
Each
ID-0.187 OD-0.437 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12500187LLS
ID-0.187 OD-0.437 HT-0.25
Available:
0.00
Item is no longer available.
This item has been replaced by
12500187-250BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.187 OD-0.437 HT-0.25
SPEC SHEET
Available:
70.00
Your Price:
5.46
Each
Item#:
12500187LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.187 OD-0.437 HT-0.125
Available:
0.00
ETA:
02/28/2026
Your Price:
5.14
Each
ID-0.25 OD-0.5 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12500250LLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.25 OD-0.5 HT-0.125
SPEC SHEET
Available:
93.00
Your Price:
5.67
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.25 OD-0.5 HT-0.187
SPEC SHEET
Available:
80.00
Your Price:
6.33
Each
Item#:
12500250-250
ID-0.25 OD-0.5 HT-0.25
Available:
0.00
Item is no longer available.
This item has been replaced by
12500250-250LLS
ID-0.25 OD-0.5 HT-0.25
Available:
0.00
Item is no longer available.
This item has been replaced by
12500250-250BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.25 OD-0.5 HT-0.25
SPEC SHEET
Available:
222.00
Your Price:
5.05
Each
Item#:
12500250-250LLS
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
ID-0.25 OD-0.5 HT-0.25
SPEC SHEET
Available:
158.00
Your Price:
6.68
Each
Item#:
12500250LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.25 OD-0.5 HT-0.125
Available:
123.00
Your Price:
5.15
Each
ID-0.312 OD-0.562 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12500312LLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.312 OD-0.562 HT-0.125
SPEC SHEET
Available:
0.00
ETA:
05/08/2026
Your Price:
5.24
Each
ID-0.312 OD-0.562 HT-0.25
Available:
0.00
Item is no longer available.
This item has been replaced by
12500312-250BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.312 OD-0.562 HT-0.25
SPEC SHEET
Available:
59.00
Your Price:
5.48
Each
Item#:
12500312LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.312 OD-0.562 HT-0.125
Available:
150.00
Your Price:
5.54
Each
ID-0.375 OD-0.625 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12500375LLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.375 OD-0.625 HT-0.125
SPEC SHEET
Available:
25.00
Your Price:
5.24
Each