A back-up ring is a rigid ring that holds an elastomeric seal or plastic (such as Polyethylene) connection to its designed shape and in its correct place. Back up rings are commonly used with O-rings and lip seals.

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Item#:
8-465 N90

ID-18 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-18 CS-1/4
SPEC SHEET

Available:
12.00
Your Price:
16.67
Each
Item#:
8-466 N90

ID-18.5 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-18.5 CS-1/4
SPEC SHEET

Available:
3.00
Your Price:
16.67
Each
Item#:
8-467 N90

ID-19 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-19 CS-1/4
SPEC SHEET

Available:
10.00
Your Price:
16.64
Each
Item#:
8-468 N90

ID-19.5 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-19.5 CS-1/4
SPEC SHEET

Available:
3.00
Your Price:
18.81
Each
Item#:
8-469 N90

ID-20 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-20 CS-1/4
SPEC SHEET

Available:
2.00
Your Price:
23.55
Each
Item#:
8-470 N90

ID-21 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-21 CS-1/4
SPEC SHEET

Available:
18.00
Your Price:
32.63
Each
Item#:
8-471 N90

ID-22 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-22 CS-1/4
SPEC SHEET

Available:
20.00
Your Price:
23.22
Each
Item#:
8-472 N90

ID-23 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-23 CS-1/4
SPEC SHEET

Available:
3.00
Your Price:
17.94
Each
Item#:
8-473 N90

ID-24 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-24 CS-1/4
SPEC SHEET

Available:
10.00
Your Price:
19.01
Each
Item#:
8-474 N90

ID-25 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-25 CS-1/4
SPEC SHEET

Available:
8.00
Your Price:
30.46
Each
Item#:
8-475 N90

ID-26 Nominal CS-1/4" 90D NBR Contoured Back Up Inch

Hydraulic SealAlternative Seals: 19-, 51-, MS28774, MS27595, MS28782, MS28783

ID-26 CS-1/4
SPEC SHEET

Available:
3.00
Your Price:
35.10
Each
Item#:
8704-0037

0.375 x 0.625 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-0.375 OD-0.625 HT-0.062
SPEC SHEET

Available:
21.00
Your Price:
1.79
Each
Item#:
8704-0062

0.625 x 0.875 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-0.625 OD-0.875 HT-0.062
SPEC SHEET

Available:
35.00
Your Price:
1.84
Each
Item#:
8704-0075

0.75 x 1 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-0.75 OD-1 HT-0.062
SPEC SHEET

Available:
1226.00
Your Price:
1.92
Each
Item#:
8704-0100

1 x 1.25 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1 OD-1.25 HT-0.062
SPEC SHEET

Available:
131.00
Your Price:
1.84
Each
Item#:
8705-0100

1 x 1.312 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1 OD-1.312 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
84.00
Your Price:
2.34
Each
Item#:
8705-0118

1.187 x 1.5 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.187 OD-1.5 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
50.00
Your Price:
2.41
Each
Item#:
8705-0137

1.375 x 1.687 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.375 OD-1.687 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
27.00
Your Price:
3.25
Each
Item#:
8705-0150

1.5 x 1.812 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.5 OD-1.812 HT-0.062
SPEC SHEET

Available:
31.00
Your Price:
2.88
Each
Item#:
8706-0137

1.375 x 1.75 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.375 OD-1.75 HT-0.062
SPEC SHEET

Available:
887.00
Your Price:
1.62
Each
Item#:
8706-0150

1.5 x 1.875 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.5 OD-1.875 HT-0.062
SPEC SHEET

Manufacturer:
A
Available:
339.00
Your Price:
1.62
Each
Item#:
8706-0162

1.625 x 2 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.625 OD-2 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
489.00
Your Price:
2.92
Each
Item#:
8706-0165

1.656 x 2.031 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.656 OD-2.031 HT-0.062
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
8706-0175

1.75 x 2.125 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.75 OD-2.125 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
29.00
Your Price:
3.14
Each
Item#:
8706-0200

2 x 2.375 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2 OD-2.375 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
37.00
Your Price:
3.26
Each
Item#:
8706-0212

2.125 x 2.5 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.125 OD-2.5 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
59.00
Your Price:
3.39
Each
Item#:
8706-0215

2.156 x 2.531 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.156 OD-2.531 HT-0.062
SPEC SHEET

Available:
93.00
Your Price:
3.51
Each
Item#:
8707-0250

2.5 x 2.937 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.5 OD-2.937 HT-0.062
SPEC SHEET

Available:
164.00
Your Price:
3.85
Each
Item#:
8707-0281

2.812 x 3.25 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.812 OD-3.25 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
43.00
Your Price:
4.02
Each
Item#:
8707-0284

2.843 x 3.281 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.843 OD-3.281 HT-0.062
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
8707-0300

3 x 3.437 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-3 OD-3.437 HT-0.062
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
8708-0125

1.25 x 1.75 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.25 OD-1.75 HT-0.062
SPEC SHEET

Available:
912.00
Your Price:
3.25
Each
Item#:
8708-0150

1.5 x 2 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.5 OD-2 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
66.00
Your Price:
3.43
Each
Item#:
8708-0175

1.75 x 2.25 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-1.75 OD-2.25 HT-0.062
SPEC SHEET

Available:
9.00
Your Price:
19.44
Each
Item#:
8708-0200

2 x 2.5 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2 OD-2.5 HT-0.062
SPEC SHEET

Available:
205.00
Your Price:
3.81
Each
Item#:
8708-0350

3.5 x 4 x 0.062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-3.5 OD-4 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
54.00
Your Price:
6.47
Each
|◀ ◀ 505 - 540 of 1577 ▶ ▶|
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