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#:
UNR-31202250-500

2.25 x 2.875 x 0.5 Polyurethane Rod U-Cup Inch

BS UCup Alternative Seals:
Rod: BLLS, UNRR, BD, BSLL, BS-B, BT, US, BS, DZ, LLS

ID-2.25 OD-2.875 HT-0.5

SPEC SHEET

Available:
2.00
Your Price:
19.65
Each
Item#:
UNR-31203000-500

3 x 3.625 x 0.5 Polyurethane Rod U-Cup Inch

BS UCup Alternative Seals:
Rod: BLLS, UNRR, BD, BSLL, BS-B, BT, US, BS, DZ, LLS

ID-3 OD-3.625 HT-0.5

SPEC SHEET

Available:
9.00
Your Price:
23.37
Each
Item#:
UNR-31204500-500

4.5 x 5.125 x 0.5 Polyurethane Rod U-Cup Inch

BS UCup Alternative Seals:
Rod: BLLS, UNRR, BD, BSLL, BS-B, BT, US, BS, DZ, LLS

ID-4.5 OD-5.125 HT-0.5

SPEC SHEET

Available:
10.00
Your Price:
34.29
Each
Item#:
UNR-37504000-625

4 x 4.75 x 0.625 Polyurethane Rod U-Cup Inch

BS UCup Alternative Seals:
Rod: BLLS, UNRR, BD, BSLL, BS-B, BT, US, BS, DZ, LLS

ID-4 OD-4.75 HT-0.625

SPEC SHEET

Available:
0.00
Contact us to order
Item#:
UNR-37504375

4.375 x 5.125 x 0.375 Polyurethane Rod U-Cup Inch

BS UCup Alternative Seals:
Rod: BLLS, UNRR, BD, BSLL, BS-B, BT, US, BS, DZ, LLS

ID-4.375 OD-5.125 HT-0.375

SPEC SHEET

Available:
0.00
Contact us to order
Item#:
UNRR-110X125X9.6

110 x 125 x 9.6 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-110 OD-125 HT-9.6
SPEC SHEET

Available:
10.00
Your Price:
28.82
Each
Item#:
UNRR-12500500-218

0.5 x 0.75 x 0.218 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-0.5 OD-0.75 HT-0.218


Available:
8.00
Your Price:
21.77
Each
Item#:
UNRR-12500625-218

0.625 x 0.875 x 0.218 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-0.625 OD-0.875 HT-0.218


Available:
34.00
Your Price:
19.08
Each
Item#:
UNRR-12X19X5

12 x 19 x 5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-12 OD-19 HT-5
SPEC SHEET

Available:
96.00
Your Price:
11.32
Each
Item#:
UNRR-140X155X9.6

140 x 155 x 9.6 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-140 OD-155 HT-9.6
SPEC SHEET

Available:
15.00
Your Price:
42.12
Each
Item#:
UNRR-14X21X5

14 x 21 x 5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-14 OD-21 HT-5
SPEC SHEET

Available:
6.00
Your Price:
11.44
Each
Item#:
UNRR-15601000-240

1 x 1.312 x 0.24 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-1 OD-1.312 HT-0.24


Available:
35.00
Your Price:
19.62
Each
Item#:
UNRR-15601375-240

1.375 x 1.687 x 0.24 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-1.375 OD-1.687 HT-0.24


Available:
34.00
Your Price:
25.17
Each
Item#:
UNRR-18701750-270

1.75 x 2.125 x 0.27 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-1.75 OD-2.125 HT-0.27


Available:
13.00
Your Price:
31.49
Each
Item#:
UNRR-18702000-270

2 x 2.375 x 0.27 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-2 OD-2.375 HT-0.27


Available:
0.00
ETA:
02/05/2025
Your Price:
36.96
Each
Item#:
UNRR-18X25X5

18 x 25 x 5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-18 OD-25 HT-5
SPEC SHEET

Available:
43.00
Your Price:
11.57
Each
Item#:
UNRR-21802500-300

2.5 x 2.937 x 0.3 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-2.5 OD-2.937 HT-0.3


Available:
24.00
Your Price:
38.20
Each
Item#:
UNRR-21803000-300

3 x 3.437 x 0.3 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-3 OD-3.437 HT-0.3


Available:
15.00
Your Price:
41.83
Each
Item#:
UNRR-22X29X5

22 x 29 x 5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-22 OD-29 HT-5
SPEC SHEET

Available:
19.00
Your Price:
11.67
Each
Item#:
UNRR-25003500-330

3.5 x 4 x 0.33 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-3.5 OD-4 HT-0.33


Available:
17.00
Your Price:
51.03
Each
Item#:
UNRR-25004000-330

4 x 4.5 x 0.33 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-4 OD-4.5 HT-0.33


Available:
9.00
Your Price:
66.86
Each
Item#:
UNRR-25004500-330

4.5 x 5 x 0.33 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-4.5 OD-5 HT-0.33


Available:
4.00
Your Price:
63.13
Each
Item#:
UNRR-28105000-355

5 x 5.562 x 0.355 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-5 OD-5.562 HT-0.355


Available:
2.00
Your Price:
64.62
Each
Item#:
UNRR-28X36X5.7

28 x 36 x 5.7 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-28 OD-36 HT-5.7
SPEC SHEET

Available:
69.00
Your Price:
11.82
Each
Item#:
UNRR-31205500-380

5.5 x 6.125 x 0.38 Ribbed Polyurethane Rod U-Cup Inch

UNRR UCup Alternative Seals:
Inch: DZ, BLLS, BSLL, BS, BT, UNR, US, BD, BS-B
Metric: MA30, MA25, BS, BD, BS-B

ID-5.5 OD-6.125 HT-0.38


Available:
0.00
Contact us to order
Item#:
UNRR-36X44X5.7

36 x 44 x 5.7 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-36 OD-44 HT-5.7
SPEC SHEET

Available:
24.00
Your Price:
11.82
Each
Item#:
UNRR-45X53X5.7

45 x 53 x 5.7 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-45 OD-53 HT-5.7
SPEC SHEET

Available:
72.00
Your Price:
11.97
Each
Item#:
UNRR-56X66X6.5

56 x 66 x 6.5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-56 OD-66 HT-6.5
SPEC SHEET

Available:
17.00
Your Price:
12.75
Each
Item#:
UNRR-70X80X6.5

70 x 80 x 6.5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-70 OD-80 HT-6.5
SPEC SHEET

Available:
12.00
Your Price:
13.90
Each
Item#:
UNRR-90X100X6.5

90 x 100 x 6.5 Ribbed Polyurethane Rod U-Cup Metric

Hydraulic Seal

ID-90 OD-100 HT-6.5
SPEC SHEET

Available:
8.00
Your Price:
20.29
Each
Item#:
US-09300562

0.562 x 0.75 x 0.093 Polyurethane Symmetrical U-Cup Metric

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.562 OD-0.75 HT-0.093
SPEC SHEET

Available:
12.00
Your Price:
6.57
Each
Item#:
US-12500093

0.093 x 0.343 x 0.125 Polyurethane Symmetrical U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.093 OD-0.343 HT-0.125
SPEC SHEET

Available:
613.00
Your Price:
6.64
Each
Item#:
US-12500250-125

0.25 x 0.5 x 0.125 Polyurethane Symmetrical U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.25 OD-0.5 HT-0.125
SPEC SHEET

Available:
53.00
Your Price:
6.67
Each
Item#:
US-12500250-250

0.25 x 0.5 x 0.25 Polyurethane Symmetrical U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.25 OD-0.5 HT-0.25
SPEC SHEET

Available:
53.00
Your Price:
6.74
Each
Item#:
US-12500312

0.312 x 0.562 x 0.125 Polyurethane Symmetrical U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.312 OD-0.562 HT-0.125
SPEC SHEET

Available:
45.00
Your Price:
6.74
Each
Item#:
US-12500312-250

0.312 x 0.562 x 0.25 Polyurethane Symmetrical U-Cup Inch

Hydraulic SealAlternative Seals:
Rod: BLLS, BD, BSLL, BS-B, BT, LLS, UNR, BS, UNRR, DZ
Piston: UNP, DEEP LLS, LLS

ID-0.312 OD-0.562 HT-0.25
SPEC SHEET

Available:
57.00
Your Price:
6.74
Each
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