Backup Rings | Allegheny York

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Home > BACKUP RINGS

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.

|◀ ◀ 649 - 684 of 1584 ▶ ▶|

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Item#:

BU-4250-4500-062-T

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

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

ID-4.25 OD-4.5 HT-0.625
SPEC SHEET

Available:

15.00

Your Price:

23.89

Each

Qty:

Item#:

BU-4250-4750-062-T

4.25 x 4.75 x 0.625 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.25 OD-4.75 HT-0.625
SPEC SHEET

Available:

2.00

Your Price:

26.96

Each

Qty:

Item#:

BU-4250-4750-075-N@1

4.25 x 4.75 x 0.075 Split Nylon Backup Ring for U-Cups

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

ID-4.25 OD-4.75 HT-0.075
SPEC SHEET

Available:

284.00

Your Price:

11.09

Each

Qty:

Item#:

BU-4250-5000-125-T

4.25 x 5 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.25 OD-5 HT-0.125
SPEC SHEET

Available:

5.00

Your Price:

39.51

Each

Qty:

Item#:

BU-4437-5000-062-T

4.437 x 5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.437 OD-5 HT-0.062
SPEC SHEET

Available:

9.00

Your Price:

20.24

Each

Qty:

Item#:

BU-4500-4750-031-VEG

4.5 x 4.75 x 0.031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-4.5 OD-4.75 HT-0.031
SPEC SHEET

Available:

3.00

Your Price:

6.04

Each

Qty:

Item#:

BU-4500-4875-125-T

4.5 x 4.875 x .125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.5 OD-4.875 HT-0.125
SPEC SHEET

Available:

9.00

Your Price:

39.60

Each

Qty:

Item#:

BU-4500-5000-062-T

4.5 x 5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.5 OD-5 HT-0.062
SPEC SHEET

Available:

11.00

Your Price:

25.78

Each

Qty:

Item#:

BU-4500-5000-108-T-S

4.5 x 5 x 0.108 Solid PTFE U-Cup Back Up Ring Inch

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

ID-4.5 OD-5 HT-0.108
SPEC SHEET

Available:

83.00

Your Price:

32.62

Each

Qty:

Item#:

BU-4500-5000-125-N@1

4.5 x 5 x 0.125 Split Nylon Backup Ring for U-Cups

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

ID-4.5 OD-5 HT-0.125
SPEC SHEET

Available:

212.00

Your Price:

12.94

Each

Qty:

Item#:

BU-4750-5375-062-N1

4.75 x 5.375 x 0.062 Solid Nylon Backup Ring for U-Cups

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

ID-4.75 OD-5.375 HT-0.062
SPEC SHEET

Available:

523.00

Your Price:

9.02

Each

Qty:

Item#:

BU-4890-5350-156-Z@1

4.89 x 5.35 x 0.156 Split Nylon Backup Ring for U-Cups

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

ID-4.89 OD-5.35 HT-0.156
SPEC SHEET

Available:

191.00

Your Price:

25.38

Each

Qty:

Item#:

BU-5000-5250-031-VEG

5 x 5.25 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-5 OD-5.25 HT-0.031
SPEC SHEET

Available:

33.00

Your Price:

6.14

Each

Qty:

Item#:

BU-5000-5562-062-T

5 x 5.562 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5 OD-5.562 HT-0.062
SPEC SHEET

Available:

7.00

Your Price:

32.31

Each

Qty:

Item#:

BU-5000-5875-031-VEG

5 x 5.875 x 0.031 Vegetable Fiber Back Up Inch

Available:

17.00

Your Price:

7.68

Each

Qty:

Item#:

BU-5000-6000-125-N1

5 x 6 x 0.125 Solid Nylon Backup Ring for U-Cups

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

ID-5 OD-6 HT-0.125
SPEC SHEET

Available:

82.00

Your Price:

19.71

Each

Qty:

Item#:

BU-5125-6000-125-T-S

5.125 x 6 x .125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.125 OD-6 HT-0.125
SPEC SHEET

Available:

6.00

Your Price:

49.42

Each

Qty:

Item#:

BU-5250-5750-125-T-S

5.25 x 6 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.25 OD-6 HT-0.125
SPEC SHEET

Available:

4.00

Your Price:

50.02

Each

Qty:

Item#:

BU-5250-6000-062-T

5.25 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.25 OD-6 HT-0.062
SPEC SHEET

Available:

10.00

Your Price:

45.48

Each

Qty:

Item#:

BU-5375-6000-062-T

5.375 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.375 OD-6 HT-0.062
SPEC SHEET

Available:

5.00

Your Price:

35.00

Each

Qty:

Item#:

BU-5437-6000-062-T

5.437 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.437 OD-6 HT-0.062
SPEC SHEET

Available:

31.00

Your Price:

41.81

Each

Qty:

Item#:

BU-5500-6000-125-T

5.5 x 6 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-5.5 OD-6 HT-0.125
SPEC SHEET

Available:

5.00

Your Price:

58.60

Each

Qty:

Item#:

BU-5750-6375-062-N1

5.75 x 6.375 x 0.062 Solid Nylon Backup Ring for U-Cups

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

ID-5.75 OD-6.375 HT-0.062
SPEC SHEET

Available:

211.00

Your Price:

11.58

Each

Qty:

Item#:

BU-6000-6250-031-VEG

6 x 6.25 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-6 OD-6.25 HT-0.031
SPEC SHEET

Available:

87.00

Your Price:

6.45

Each

Qty:

Item#:

BU-6000-6500-062-N1

6 x 6.5 x 0.062 Solid Nylon Backup Ring for U-Cups

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

ID-6 OD-6.5 HT-0.062
SPEC SHEET

Available:

16.00

Your Price:

17.60

Each

Qty:

Item#:

BU-6000-6750-125-N-S

6 x 6.75 x 0.125 Nylon Split Backup Ring for U-Cups

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

ID-6 OD-6.75 HT-0.125
SPEC SHEET

Available:

162.00

Your Price:

29.83

Each

Qty:

Item#:

BU-6125-7000-125-T-S

6.125 x 7 x .125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-6.125 OD-7 HT-0.125
SPEC SHEET

Available:

9.00

Your Price:

58.03

Each

Qty:

Item#:

BU-6375-7000-062-T

6.375 x 7 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-6.375 OD-7 HT-0.062
SPEC SHEET

Available:

25.00

Your Price:

37.64

Each

Qty:

Item#:

BU-6437-7000-062-T

6.437 x 7 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-6.437 OD-7 HT-0.062
SPEC SHEET

Available:

5.00

Your Price:

43.81

Each

Qty:

Item#:

BU-6500-7250-125-T

6.5 x 7.25 x .125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-6.5 OD-7.25 HT-0.125
SPEC SHEET

Available:

5.00

Your Price:

88.99

Each

Qty:

Item#:

BU-6750-7375-062-N1

6.75 x 7.375 x 0.062 Solid Nylon Backup Ring for U-Cups

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

ID-6.75 OD-7.375 HT-0.062
SPEC SHEET

Available:

566.00

Your Price:

10.44

Each

Qty:

Item#:

BU-7000-7625-062-T

7 x 7.625 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-7 OD-7.625 HT-0.062
SPEC SHEET

Available:

6.00

Your Price:

66.15

Each

Qty:

Item#:

BU-7000-8000-125-T

7 X 8 X 0.125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-7 OD-8 HT-0.125
SPEC SHEET

Available:

4.00

Your Price:

44.39

Each

Qty:

Item#:

BU-7375-8000-062-T

7.375 x 8 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-7.375 OD-8 HT-0.062
SPEC SHEET

Available:

14.00

Your Price:

41.07

Each

Qty:

Item#:

BU-7500-8250-125-TFE

7.5 x 8.25 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-7.5 OD-8.25 HT-0.125
SPEC SHEET

Available:

1.00

Your Price:

60.91

Each

Qty:

Item#:

BU-7905-8543-062-N1

7.905 x 8.543 x 0.062 Solid Nylon Backup Ring for U-Cups

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

ID-7.905 OD-8.543 HT-0.062
SPEC SHEET

Available:

503.00

Your Price:

12.06

Each

Qty:

|◀ ◀ 649 - 684 of 1584 ▶ ▶|

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

4.25 x 4.75 x 0.625 Solid PTFE U-Cup Back Up Ring Inch

4.25 x 4.75 x 0.075 Split Nylon Backup Ring for U-Cups

4.25 x 5 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

4.437 x 5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

4.5 x 4.75 x 0.031 Vegetable Fiber Back Up Inch

4.5 x 4.875 x .125 Solid PTFE U-Cup Back Up Ring Inch

4.5 x 5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

4.5 x 5 x 0.108 Solid PTFE U-Cup Back Up Ring Inch

4.5 x 5 x 0.125 Split Nylon Backup Ring for U-Cups

4.75 x 5.375 x 0.062 Solid Nylon Backup Ring for U-Cups

4.89 x 5.35 x 0.156 Split Nylon Backup Ring for U-Cups

5 x 5.25 x .031 Vegetable Fiber Back Up Inch

5 x 5.562 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

5 x 5.875 x 0.031 Vegetable Fiber Back Up Inch

5 x 6 x 0.125 Solid Nylon Backup Ring for U-Cups

5.125 x 6 x .125 Solid PTFE U-Cup Back Up Ring Inch

5.25 x 6 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

5.25 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

5.375 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

5.437 x 6 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

5.5 x 6 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

5.75 x 6.375 x 0.062 Solid Nylon Backup Ring for U-Cups

6 x 6.25 x .031 Vegetable Fiber Back Up Inch

6 x 6.5 x 0.062 Solid Nylon Backup Ring for U-Cups

6 x 6.75 x 0.125 Nylon Split Backup Ring for U-Cups

6.125 x 7 x .125 Solid PTFE U-Cup Back Up Ring Inch

6.375 x 7 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

6.437 x 7 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

6.5 x 7.25 x .125 Solid PTFE U-Cup Back Up Ring Inch

6.75 x 7.375 x 0.062 Solid Nylon Backup Ring for U-Cups

7 x 7.625 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

7 X 8 X 0.125 Solid PTFE U-Cup Back Up Ring Inch

7.375 x 8 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

7.5 x 8.25 x 0.125 Solid PTFE U-Cup Back Up Ring Inch

7.905 x 8.543 x 0.062 Solid Nylon Backup Ring for U-Cups