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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 (69)
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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 (68)
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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 (79)
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C2 - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (40)
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DZ - DEEP Z ROD SEAL - INCH (21)
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MA20 - NITRILE U-CUP w/STEPPED NYLON HEEL - METRIC (18)
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MA21 - NITRILE SYMMETRICAL PISTON or ROD U-CUP - METRIC (61)
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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 (121)
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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 (239)
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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 (61)
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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 (533)
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POLYPAK®/BEVELED O-RING LOADED LIP SEAL - INCH (1012)
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POLYPAK®/STANDARD O-RING LOADED LIP SEAL - INCH (941)
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PR - PIP RING (PRESSURE INVERTING PEDESTAL RING) - INCH (65)
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RSE- URE PISTON U-CUP w/STEPPED BACKUP/BEARING- Metric (39)
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UCF - FABRIC REINFORCED NITRILE U-CUP - INCH (37)
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UCH - NITRILE NON-STANDARD HOMOGENEOUS U-CUP - INCH (39)
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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 (163)
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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)
Item#:
12503750LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-3.75 OD-4 HT-0.125
Available:
0.00
Contact us to order
Item#:
12503875LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-3.875 OD-4.125 HT-0.125
Available:
18.00
Your Price:
15.62
Each
Item#:
12504000
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4 OD-4.25 HT-0.125
Available:
0.00
Contact us to order
Item#:
12504000LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4 OD-4.25 HT-0.125
Available:
59.00
Your Price:
17.19
Each
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4.375 OD-4.625 HT-0.125
Available:
2.00
Your Price:
17.47
Each
Item#:
12504375LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4.375 OD-4.625 HT-0.125
Available:
2.00
Your Price:
17.47
Each
ID-4.5 OD-4.75 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12504500LLS
ID-4.5 OD-4.75 HT-0.187
Available:
0.00
Item is no longer available.
This item has been replaced by
12504500-187BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-4.5 OD-4.75 HT-0.187
SPEC SHEET
Available:
21.00
Your Price:
35.84
Each
Item#:
12504500LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4.5 OD-4.75 HT-0.125
Available:
23.00
Your Price:
17.48
Each
Item#:
12504750
ID-4.75 OD-5 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12504750LLS
Item#:
12504750LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4.75 OD-5 HT-0.125
Available:
32.00
Your Price:
23.40
Each
Item#:
12504875LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-4.875 OD-5.125 HT-0.125
Available:
0.00
Contact us to order
Item#:
12505000
ID-5 OD-5.25 HT-0.125
Available:
0.00
Item is no longer available.
Item#:
12505750
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-5.75 OD-6 HT-0.125
Available:
38.00
Your Price:
38.66
Each
Item#:
12505750LLS
ID-5.75 OD-6 HT-0.125
Available:
0.00
Item is no longer available.
This item has been replaced by
12505750
ID-0.75 OD-1.062 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15600750LLS
Item#:
15600750LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.75 OD-1.062 HT-0.156
Available:
0.00
ETA:
05/29/2026
Your Price:
8.98
Each
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.937 OD-1.25 HT-0.156
Available:
234.00
Your Price:
12.67
Each
Item#:
15600937LLS
ID-0.937 OD-1.25 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15600937
Item#:
15601000
ID-1 OD-1.312 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15601000LLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-1 OD-1.3125 HT-0.156
SPEC SHEET
Available:
15.00
Your Price:
8.24
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-1 OD-1.3125 HT-0.23
SPEC SHEET
Available:
137.00
Your Price:
8.35
Each
Item#:
15601000LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1 OD-1.312 HT-0.156
Available:
99.00
Your Price:
7.00
Each
Item#:
15601125LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1.125 OD-1.437 HT-0.156
Available:
0.00
Contact us to order
ID-1.187 OD-1.5 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15601187LLS
Item#:
15601187LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1.187 OD-1.5 HT-0.156
Available:
207.00
Your Price:
7.24
Each
ID-1.25 OD-1.562 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15601250LLS
Item#:
15601250LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1.25 OD-1.562 HT-0.156
Available:
11.00
Your Price:
8.37
Each
ID-1.375 OD-1.687 HT-0.156
Available:
0.00
Item is no longer available.
This item has been replaced by
15601375LLS
Item#:
15601375LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1.375 OD-1.687 HT-0.156
Available:
93.00
Your Price:
9.04
Each
ID-1.5 OD-1.8125 HT-0.312
Available:
0.00
Item is no longer available.
This item has been replaced by
15601500-312BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-1.5 OD-1.8125 HT-0.312
SPEC SHEET
Available:
240.00
Your Price:
9.34
Each
Item#:
15601500LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-1.5 OD-1.812 HT-0.156
Available:
15.00
Your Price:
9.92
Each
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-0.187 OD-0.562 HT-0.187
Available:
453.00
Your Price:
8.85
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-0.187 OD-0.562 HT-0.187
SPEC SHEET
Available:
0.00
Contact us to order