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#:
BU-2500-3000-075-N@1

2.5 x 3 x 0.075 Split Nylon Backup Ring for U-Cups

Hydraulic SealAlternative Seals: BU-T, BU-H, 8700

ID-2.5 OD-3 HT-0.075
SPEC SHEET

Available:
70.00
Your Price:
7.14
Each
Item#:
BU-2562-3000-062-T

2.562 x 3 x .062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-2.562 OD-3 HT-0.062
SPEC SHEET

Available:
15.00
Your Price:
20.01
Each
Item#:
BU-2750-3250-062-T

2.75 x 3.25 x .062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-2.75 OD-3.25 HT-0.062
SPEC SHEET

Available:
23.00
Your Price:
21.90
Each
Item#:
BU-2750-3250-062-VEG

2.75 x 3.25 x 0.062 Vegetable Fiber Back Up Inch

Available:
1.00
Your Price:
8.47
Each
Item#:
BU-2750-3375-031-VEG

2.75 x 3.375 x 0.031 Vegetable Fiber Back Up Inch

Available:
400.00
Your Price:
7.62
Each
Item#:
BU-2750-3375-062-N1

2.75 x 3.375 x 0.062 Solid Nylon Backup Ring for U-Cups

Hydraulic SealAlternative Seals: BU-T, BU-H, 8700

ID-2.75 OD-3.375 HT-0.062
SPEC SHEET

Manufacturer:
C
Available:
202.00
Your Price:
5.98
Each
Item#:
BU-2750-3500-062-VEG

2.75 x 3.5 x 0.062 Vegetable Fiber Back Up Inch

Available:
7.00
Your Price:
8.90
Each
Item#:
BU-27528-28000-108-T

27.528 x 28 x .108Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-27.528 OD-28 HT-0.108
SPEC SHEET

Available:
4.00
Your Price:
338.31
Each
Item#:
BU-2812-3250-062-T

2.812 x 3.25 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-2.812 OD-3.25 HT-0.062
SPEC SHEET

Available:
43.00
Your Price:
12.55
Each
Item#:
BU-3000-3187-031-VEG

3 x 3.187 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3 OD-3.187 HT-0.031
SPEC SHEET

Available:
23.00
Your Price:
7.70
Each
Item#:
BU-3000-3250-031-VEG

3 x 3.25 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3 OD-3.25 HT-0.031
SPEC SHEET

Available:
23.00
Your Price:
7.72
Each
Item#:
BU-3000-3437-062-T

3 x 3.437 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3 OD-3.437 HT-0.062
SPEC SHEET

Available:
43.00
Your Price:
18.21
Each
Item#:
BU-3000-3500-062-T

3 x 3.5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3 OD-3.5 HT-0.062
SPEC SHEET

Available:
18.00
Your Price:
21.06
Each
Item#:
BU-3000-3500-125-VEG

3 x 3.5 x 0.125 Vegetable Fiber Back Up Inch

Available:
1.00
Your Price:
8.38
Each
Item#:
BU-3000-3750-062-VEG

3 x 3.75 x 0.062 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3 OD-3.75 HT-0.062
SPEC SHEET

Available:
2.00
Your Price:
8.21
Each
Item#:
BU-3000-3750-093-H

3 x 3.75 x .093 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-3 OD-3.75 HT- .093 

Available:
20.00
Your Price:
9.51
Each
Item#:
BU-3125-3875-125-VEG

3.125 x 3.875 x 0.125 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.125 OD-3.875 HT-0.125
SPEC SHEET

Available:
5.00
Your Price:
8.23
Each
Item#:
BU-3250-3500-031-VEG

3.25x 3.5x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.25 OD-3.5 HT-0.031
SPEC SHEET

Available:
19.00
Your Price:
5.96
Each
Item#:
BU-3250-3750-062-T

3.25 x 3.75 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.25 OD-3.75 HT-0.062
SPEC SHEET

Available:
20.00
Your Price:
22.42
Each
Item#:
BU-3250-3875-062-T

3.25 x 3.875 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.25 OD-3.875 HT-0.062
SPEC SHEET

Available:
12.00
Your Price:
22.95
Each
Item#:
BU-3250-4000-031-VEG

3.25 x 4 x 0.031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.25 OD-4 HT-0.031
SPEC SHEET

Available:
6.00
Your Price:
8.11
Each
Item#:
BU-3250-4000-062-VEG

3.25 x 4 x 0.062 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.25 OD-4 HT-0.062
SPEC SHEET

Available:
12.00
Your Price:
10.39
Each
Item#:
BU-3500-3750-031-VEG

3.5 x 3.75 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.5 OD-3.75 HT-0.031
SPEC SHEET

Available:
25.00
Your Price:
5.96
Each
Item#:
BU-3500-3875-062-T

3.5 x 3.875 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.5 OD-3.875 HT-0.062
SPEC SHEET

Available:
2.00
Your Price:
36.15
Each
Item#:
BU-3500-4000-062-T

3.5 x 4 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.5 OD-4 HT-0.062
SPEC SHEET

Available:
20.00
Your Price:
21.42
Each
Item#:
BU-3500-4000-075-N@1

3.5 x 4 x 0.075 Split Nylon Backup Ring for U-Cups

Hydraulic SealAlternative Seals: BU-T, BU-H, 8700

ID-3.5 OD-4 HT-0.075
SPEC SHEET

Available:
207.00
Your Price:
8.76
Each
Item#:
BU-3625-4000-062-T

3.625 x 4 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.625 OD-4 HT-0.062
SPEC SHEET

Available:
4.00
Your Price:
32.38
Each
Item#:
BU-3750-4375-062-N1

3.75 x 4.375 x 0.062 Solid Nylon Backup Ring for U-Cups

Hydraulic SealAlternative Seals: BU-T, BU-H, 8700

ID-3.75 OD-4.375 HT-0.062
SPEC SHEET

Available:
364.00
Your Price:
6.51
Each
Item#:
BU-3750-4500-031-VEG

3.75 x 4.5 x 0.031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.75 OD-4.5 HT-0.031
SPEC SHEET

Available:
12.00
Your Price:
18.45
Each
Item#:
BU-3750-4500-062-VEG

3.75 x 4.5 x 0.062 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-3.75 OD-4.5 HT-0.062
SPEC SHEET

Available:
4.00
Your Price:
19.13
Each
Item#:
BU-3875-4500-125-T

3.875 x 4.5 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-3.875 OD-4.5 HT-0.125
SPEC SHEET

Available:
4.00
Your Price:
56.45
Each
Item#:
BU-4000-4250-031-VEG

4 x 4.25 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-4 OD-4.25 HT-0.031
SPEC SHEET

Available:
10.00
Your Price:
6.03
Each
Item#:
BU-4000-4250-050-VEG

4 x 4.25 x 0.05 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-4 OD-4.25 HT-0.05
SPEC SHEET

Available:
28.00
Your Price:
7.38
Each
Item#:
BU-4000-4500-062-T

4 x 4.5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: 8700, BU-N, BU-H

ID-4 OD-4.5 HT-0.062
SPEC SHEET

Available:
29.00
Your Price:
23.04
Each
Item#:
BU-4000-4500-062-VEG

4 x 4.5 x 0.062 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-4 OD-4.5 HT-0.062
SPEC SHEET

Available:
0.00
Your Price:
4.95
Each
Item#:
BU-4000-4500-075-N@1

4 x 4.5 x 0.075 Split Nylon Backup Ring for U-Cups

Hydraulic SealAlternative Seals: BU-T, BU-H, 8700

ID-4 OD-4.5 HT-0.075
SPEC SHEET

Available:
25.00
Your Price:
13.83
Each
|◀ ◀ 613 - 648 of 1584 ▶ ▶|
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