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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Item#:
18703000

3 x 3.375 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

Loaded Lip SealAlternative Seals:

Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL

Piston: UNP-AN, US, UNP, BP

ID-3 OD-3.375 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703000-187BLLS

3 x 3.375 x 0.187 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3 OD-3.375 HT-0.187

SPEC SHEET

Available:
42.00
Your Price:
14.75
Each
Item#:
18703000-250B

3 x 3.375 x 0.25 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3 OD-3.375 HT-0.25

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703000-250BLLS

3 x 3.375 x 0.25 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3 OD-3.375 HT-0.25

SPEC SHEET

Available:
82.00
Your Price:
21.25
Each
Item#:
18703000-312BLLS

3 x 3.375 x 0.312 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3 OD-3.375 HT-0.312

SPEC SHEET

Available:
69.00
Your Price:
15.10
Each
Item#:
18703000-375

3 x 3.375 x 0.375 Deep URE/NBR Loaded Lip Seal Polypak® Inch

ID-3 OD-3.375 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703000-375B

3 x 3.375 x 0.375 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3 OD-3.375 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703000-375BLLS

3 x 3.375 x 0.375 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3 OD-3.375 HT-0.375

SPEC SHEET

Available:
46.00
Your Price:
15.10
Each
Item#:
18703000-375LLS

3 x 3.375 x 0.375 Deep URE/NBR Loaded Lip Seal Inch

Deep LLS Alternative Seals:
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP

ID-3 OD-3.375 HT-0.375

SPEC SHEET

Available:
76.00
Your Price:
20.80
Each
Item#:
18703000LLS

3 x 3.375 x 0.187 Standard URE/NBR Loaded Lip Seal Inch

Loaded Lip SealAlternative Seals:

Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL

Piston: UNP-AN, US, UNP, BP

ID-3 OD-3.375 HT-0.187

SPEC SHEET

Available:
87.00
Your Price:
10.08
Each
Item#:
18703125

3.125 x 3.5 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-3.125 OD-3.5 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703125-187B

3.125 x 3.5 x 0.187 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.125 OD-3.5 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703125-187BLLS

3.125 x 3.5 x 0.187 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.125 OD-3.5 HT-0.187

SPEC SHEET

Available:
280.00
Your Price:
13.52
Each
Item#:
18703125-250BLLS

3.125 x 3.5 x 0.25 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.125 OD-3.5 HT-0.25

SPEC SHEET

Available:
47.00
Your Price:
16.80
Each
Item#:
18703125-312BLLS

3.125 x 3.5 x 0.312 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.125 OD-3.5 HT-0.312

SPEC SHEET

Available:
50.00
Your Price:
17.30
Each
Item#:
18703125-375

3.125 x 3.5 x 0.375 Deep URE/NBR Loaded Lip Seal Polypak® Inch

ID-3.125 OD-3.5 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703125-375B

3.125 x 3.5 x 0.375 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.125 OD-3.5 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703125-375BLLS

3.125 x 3.5 x 0.375 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.125 OD-3.5 HT-0.375

SPEC SHEET

Available:
221.00
Your Price:
15.38
Each
Item#:
18703125-375LLS

3.125 x 3.5 x 0.375 Deep URE/NBR Loaded Lip Seal Inch

Deep LLS Alternative Seals:
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP

ID-3.125 OD-3.5 HT-0.375

SPEC SHEET

Available:
17.00
Your Price:
20.81
Each
Item#:
18703125LLS

3.125 x 3.5 x 0.187 Standard URE/NBR Loaded Lip Seal Inch

Loaded Lip SealAlternative Seals:

Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL

Piston: UNP-AN, US, UNP, BP

ID-3.125 OD-3.5 HT-0.187

SPEC SHEET

Available:
28.00
Your Price:
11.15
Each
Item#:
18703125PR

3.125 x 3.5 x 0.125 URETHANE PIP RING INCH

PIP Ring

ID-3.125 OD-3.5 HT-0.125

SPEC SHEET

Available:
18.00
Your Price:
13.31
Each
Item#:
18703187-375LLS

3.187 x 3.562 x 0.375 Deep URE/NBR Loaded Lip Seal Inch

Deep LLS Alternative Seals:
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP

ID-3.187 OD-3.562 HT-0.375

SPEC SHEET

Available:
2.00
Your Price:
21.80
Each
Item#:
18703250

3.25 x 3.625 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-3.25 OD-3.625 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703250-312LLS

3.25 x 3.625 x 0.312 Deep URE/NBR Loaded Lip Seal Inch

Deep LLS Alternative Seals:
Rod: DZ, UNRR, BSLL, BLLS, US, UNR, BS, BT, BD
Piston: UNP, UNP-AN, US, BP

ID-3.25 OD-3.625 HT-0.312

SPEC SHEET

Available:
35.00
Your Price:
25.54
Each
Item#:
18703250-375

Deep URE/NBR Loaded Lip Seal Inch

ID-3.25 OD-3.625 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
Item#:
18703250-375B

3.25 x 3.625 x 0.375 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.25 OD-3.625 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703250-375BLLS

3.25 x 3.625 x 0.375 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.25 OD-3.625 HT-0.375

SPEC SHEET

Available:
86.00
Your Price:
17.43
Each
Item#:
18703250LLS

3.25 x 3.625 x 0.187 Standard URE/NBR Loaded Lip Seal Inch

Loaded Lip SealAlternative Seals:

Rod: US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL

Piston: UNP-AN, US, UNP, BP

ID-3.25 OD-3.625 HT-0.187

SPEC SHEET

Available:
64.00
Your Price:
12.55
Each
Item#:
18703375

3.375 x 3.75 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-3.375 OD-3.75 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703375-187B

3.375 x 3.75 x 0.187 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.375 OD-3.75 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703375-187BLLS

3.375 x 3.75 x 0.187 Beveled (B Type) Loaded Lip Seal - Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.375 OD-3.75 HT-0.187

SPEC SHEET

Available:
81.00
Your Price:
17.27
Each
Item#:
18703375-250B

3.375 x 3.75 x 0.25 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.375 OD-3.75 HT-0.25

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703375-250BLLS

3.375 x 3.75 x 0.25 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.375 OD-3.75 HT-0.25

SPEC SHEET

Available:
97.00
Your Price:
17.82
Each
Item#:
18703375-375

3.375 x 3.75 x 0.375 Deep URE/NBR Loaded Lip Seal Polypak® Inch

ID-3.375 OD-3.75 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703375-375B

3.375 x 3.75 x 0.375 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-3.375 OD-3.75 HT-0.375

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18703375-375BLLS

3.375 x 3.75 x 0.375 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
Bevelled LLS Alternative Seals:
Rod: Deep LLS, UNRR, LLS BD, BSLL, BS-B, BS, BT, UNR, US, DZ

ID-3.375 OD-3.75 HT-0.375

SPEC SHEET

Available:
85.00
Your Price:
18.26
Each
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