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#:
18700187LLS

0.187 x 0.562 x 0.187 Standard URE/NBR Loaded Lip Seal Inch

ID-0.187 OD-0.562 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700250

0.25 x 0.625 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.25 OD-0.625 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700250-187BLLS

0.25 x 0.625 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-0.25 OD-0.625 HT-0.187

SPEC SHEET

Available:
99.00
Your Price:
5.52
Each
Item#:
18700250-312

0.25 x 0.625 x 0.312 Deep URE/NBR Loaded Lip Seal Polypak® Inch

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

ID-0.25 OD-0.625 HT-0.312

SPEC SHEET

Available:
53.00
Your Price:
9.24
Each
Item#:
18700250-312LLS

0.25 x 0.625 x 0.312 Deep URE/NBR Loaded Lip Seal Inch

ID-0.25 OD-0.625 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700250LLS

0.25 x 0.625 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-0.25 OD-0.625 HT-0.187

SPEC SHEET

Available:
95.00
Your Price:
9.63
Each
Item#:
18700312

0.312 x 0.687 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

Alternative Seals:
Rod:US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP

ID-0.312 OD-0.687 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700312-187BLLS

0.312 x 0.687 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-0.312 OD-0.687 HT-0.187

SPEC SHEET

Available:
212.00
Your Price:
5.52
Each
Item#:
18700312-312B

0.312 x 0.687 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

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

ID-0.312 OD-0.687 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700312-312BLLS

0.312 x 0.687 x 0.312 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
ID-0.312 OD-0.687 HT-0.312

SPEC SHEET

Available:
100.00
Your Price:
10.06
Each
Item#:
18700312LLS

0.312 x 0.687 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-0.312 OD-0.687 HT-0.187

SPEC SHEET

Available:
126.00
Your Price:
9.80
Each
Item#:
18700375

0.375 x 0.75 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.375 OD-0.75 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700375-187BLLS

0.375 x 0.75 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-0.375 OD-0.75 HT-0.187

SPEC SHEET

Available:
66.00
Your Price:
5.83
Each
Item#:
18700375-312

0.375 x 0.75 x 0.312 Deep URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.375 OD-0.75 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
Item#:
18700375-312B

0.375 x 0.75 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL

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

ID-0.375 OD-0.75 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700375-312BLLS

0.375 x 0.75 x 0.312 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL

ID-0.375 OD-0.75 HT-0.312

SPEC SHEET

Available:
80.00
Your Price:
5.83
Each
Item#:
18700375LLS

0.375 x 0.75 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-0.375 OD-0.75 HT-0.187

SPEC SHEET

Available:
83.00
Your Price:
5.33
Each
Item#:
18700437

0.437 x 0.812 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.437 OD-0.812 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700437-312

0.437 x 0.812 x 0.312 Deep URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.437 OD-0.812 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700437-312B

0.437 x 0.812 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-0.437 OD-0.812 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700437-312BLLS

0.437 x 0.812 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-0.437 OD-0.812 HT-0.312

SPEC SHEET

Available:
30.00
Your Price:
10.20
Each
Item#:
18700437-312LLS

0.437 x 0.812 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-0.437 OD-0.812 HT-0.312
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
18700437LLS

0.437 x 0.812 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-0.437 OD-0.812 HT-0.187

SPEC SHEET

Available:
64.00
Your Price:
5.78
Each
Item#:
18700500

0.5 x 0.875 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.5 OD-0.875 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700500-250BLLS

0.5 x 0.875 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-0.5 OD-0.875 HT-0.25

SPEC SHEET

Available:
20.00
Your Price:
8.28
Each
Item#:
18700500-312B

0.5 x 0.875 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-0.5 OD-0.875 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700500-312BLLS

0.5 x 0.875 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-0.5 OD-0.875 HT-0.312

SPEC SHEET

Available:
0.00
ETA:
06/16/2026
Your Price:
6.43
Each
Item#:
18700500LLS

0.5 x 0.875 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-0.5 OD-0.875 HT-0.187

SPEC SHEET

Available:
134.00
Your Price:
5.59
Each
Item#:
18700562

0.562 x 0.937 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

ID-0.562 OD-0.937 HT-0.187

SPEC SHEET

Available:
245.00
Your Price:
11.45
Each
Item#:
18700562-312B

0.562 x 0.937 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

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

ID-0.562 OD-0.937 HT-0.312

SPEC SHEET

Available:
29.00
Your Price:
10.58
Each
Item#:
18700562-312BLLS

0.562 x 0.937 x 0.312 Beveled (B Type) Loaded Lip Seal Inch

ROD SEAL
ID-0.562 OD-0.937 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700562LLS

0.562 x 0.937 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-0.562 OD-0.937 HT-0.187

SPEC SHEET

Available:
0.00
Contact us to order
Item#:
18700625

0.625 x 1 x 0.187 Standard URE/NBR Loaded Lip Seal Polypak® Inch

Alternative Seals:
Rod:US, 8400, 6226, DZ, BS-B, BLLS, UNRR, UNR, BS, BD, BT, BSLL
Piston: UNP-AN, US, UNP, BP

ID-0.625 OD-1 HT-0.187

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700625-312B

0.625 x 1 x 0.312 Beveled (B Type) Loaded Lip Seal PolyPak® Inch

ROD SEAL
ID-0.625 OD-1 HT-0.312

SPEC SHEET

Available:
0.00
Item is no longer available.
This item has been replaced by 
Item#:
18700625-312BLLS

0.625 x 1 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-0.625 OD-1 HT-0.312

SPEC SHEET

Available:
72.00
Your Price:
7.07
Each
Item#:
18700625LLS

0.625 x 1 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-0.625 OD-1 HT-0.187

SPEC SHEET

Available:
214.00
Your Price:
5.69
Each
|◀ ◀ 289 - 324 of 5464 ▶ ▶|
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