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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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POLYPAK®/STANDARD O-RING LOADED LIP SEAL - INCH (935)
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POLYPAK®/ DEEP O-RING LOADED LIP SEAL - INCH (530)
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POLYPAK®/BEVELED O-RING LOADED LIP SEAL - INCH (1008)
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PR - PIP RING (PRESSURE INVERTING PEDESTAL RING) - INCH (64)
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DZ - DEEP Z ROD SEAL - INCH (21)
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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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BS - DOUBLE LIP URETHANE ROD SEAL - INCH (224)
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BS - DOUBLE LIP URETHANE ROD SEAL - METRIC (395)
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MLLB - BEVELED O-RING LOADED LIP SEAL - METRIC (28)
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BSLL - DOUBLE LIP ORING LOADED URETHANE ROD SEAL - INCH (29)
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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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BT - 4300® HIGH TEMP DOUBLE LIP ROD U-CUP - INCH (27)
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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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UNR - URETHANE ASYMMETRICAL ROD SEAL - INCH (33)
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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 (62)
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C1 - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (79)
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MURH - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (22)
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MA24 - NITRILE ASYMMETRICAL ROD U-CUP - METRIC (16)
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US- URETHANE SYMMETRICAL ROD or PISTON U-CUP - INCH (163)
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MA25 - URETHANE SYMMETRICAL ROD/PISTON U-CUP - METRIC (542)
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8400 - NITRILE SYMMETRICAL U-CUP - INCH (131)
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6226 - NITRILE SYMMETRICAL (AN) U-CUP - INCH (69)
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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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UCH - NITRILE NON-STANDARD HOMOGENEOUS U-CUP - INCH (38)
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UCF - FABRIC REINFORCED NITRILE U-CUP - INCH (37)
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UCL - LEATHER U-CUP w/NITRILE FILLER - INCH (15)
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UNP - URETHANE ASYMMETRICAL PISTON U-CUP - INCH (75)
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MA28B/UNP Piston U-CUP w/OD BACKUP INCH & METRIC (23)
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UNP - AN - THIN LIP URETHANE PISTON U-CUP - INCH (11)
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MA28 - URETHANE ASYMMETRICAL PISTON U-CUP-METRIC (120)
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BP - DOUBLE LIP ORING LOADED URETHANE PISTON SEAL -INCH (10)
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MA20 - NITRILE U-CUP w/STEPPED NYLON HEEL - METRIC (18)
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RSE- URE PISTON U-CUP w/STEPPED BACKUP/BEARING- Metric (39)
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C2 - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (40)
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MUPH - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (29)
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MA23 - NITRILE ASYMMETRICAL PISTON U-CUP - METRIC (9)
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OUY - NITRILE PISTON U-CUP w/POM BACKUP - METRIC (8)
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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)
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-14 OD-15 HT-0.75
SPEC SHEET
Available:
0.00
Contact us to order
Item#:
50014000-750LLS
Alternative Seals:
Rod: DZ, UNRR, BSLL, BLLS,
US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
Available:
15.00
Contact us to order
Item#:
50014000LLS
ID-14 OD-15 HT-0.5
Available:
0.00
Item is no longer available.
This item has been replaced by
50014000
Item#:
50014000PR
Available:
2.00
Your Price:
202.52
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-14.42 OD-15.42 HT-0.5
SPEC SHEET
Available:
0.00
Contact us to order
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-14.42 OD-15.42 HT-0.5
SPEC SHEET
Available:
0.00
Contact us to order
Item#:
50014500
ID-14.5 OD-15.5 HT-0.5
Available:
0.00
Item is no longer available.
This item has been replaced by
50014500LLS
Item#:
50014500LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-14.5 OD-15.5 HT-0.5
Available:
1.00
Your Price:
284.89
Each
ID-14.75 OD-15.75 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50014750-750BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-14.75 OD-15.75 HT-0.75
SPEC SHEET
Available:
2.00
Your Price:
389.65
Each
Item#:
50015000
ID-15 OD-16 HT-0.5
Available:
0.00
ETA:
10/09/2026
Your Price:
175.35
Each
Item#:
50015000-750
ID-15 OD-16 HT-0.75
Available:
0.00
Item is no longer available.
ID-15 OD-16 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50015000-750BLLS
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-15 OD-16 HT-0.75
SPEC SHEET
Available:
19.00
Your Price:
295.60
Each
Item#:
50015000PR
Available:
1.00
Your Price:
267.03
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-15.5 OD-16.5 HT-0.75
SPEC SHEET
Available:
5.00
Your Price:
475.20
Each
ID-15.5 OD-16.5 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50015500-750B
Item#:
50016000
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-16 OD-17 HT-0.5
Available:
47.00
Your Price:
273.51
Each
Item#:
50016000-750
ID-16 OD-17 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50016000-750LLS
Item#:
50016000-750LLS
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
ID-16 OD-17 HT-0.75
SPEC SHEET
Available:
1.00
Your Price:
410.63
Each
Item#:
50016000LLS
ID-16 OD-17 HT-0.5
Available:
0.00
Item is no longer available.
This item has been replaced by
50016000
ID-16.5 OD-17.5 HT-0.75
Available:
0.00
Item is no longer available.
Item#:
50017000
ID-17 OD-18 HT-0.5
Available:
0.00
Item is no longer available.
This item has been replaced by
50017000LLS
Item#:
50017000-750
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP
ID-17 OD-18 HT-0.75
SPEC SHEET
Available:
5.00
Your Price:
429.63
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-17 OD-18 HT-0.75
SPEC SHEET
Available:
12.00
Your Price:
488.73
Each
ID-17 OD-18 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50017000-750B
Item#:
50017000-750LLS
ID-17 OD-18 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50017000-750
Item#:
50017000LLS
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-17 OD-18 HT-0.5
Available:
2.00
Your Price:
276.32
Each
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-18 OD-19 HT-0.75
SPEC SHEET
Available:
1.00
Your Price:
476.82
Each
ID-18 OD-19 HT-0.75
Available:
0.00
Item is no longer available.
This item has been replaced by
50018000-750B
Item#:
50019000
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-19 OD-20 HT-0.5
Available:
41.00
Your Price:
318.66
Each
Item#:
50019000-750
ID-19 OD-20 HT-0.75
Available:
0.00
Item is no longer available.
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-19 OD-20 HT-0.75
SPEC SHEET
Available:
0.00
Contact us to order
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ
ID-19 OD-20 HT-0.75
SPEC SHEET
Available:
0.00
Contact us to order
Item#:
50019000LLS
ID-19 OD-20 HT-0.5
Available:
0.00
Item is no longer available.
This item has been replaced by
50019000
Item#:
50020000
Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP
ID-20 OD-21 HT-0.5
Available:
2.00
Your Price:
312.69
Each