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, lip seals, and as reciprocating shaft seals

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Item#:
BU-4171-4643-125-T

4.171 x 4.643 x 0.125 Solid PTFE U-Cup Back Up Ring - Inch - Ltd. Qty.

Available:
10.00
Your Price:
19.66
Each
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:
11.00
Your Price:
24.61
Each
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:
10.00
Your Price:
27.77
Each
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:
274.00
Your Price:
11.43
Each
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:
3.00
Your Price:
40.70
Each
Item#:
BU-4336-4523-0709-N

110 x 115 x 18 Solid Nylon Backup Ring for U-Cups - Limited Quantities

Available:
3.00
Your Price:
136.08
Each
Item#:
BU-4375-4750-062-A-S

4.375 x 4.75 x 0.062 Split Nylon Backup Ring for U-Cups - Ltd. Qty.

Available:
5.00
Your Price:
15.83
Each
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:
3.00
Your Price:
20.85
Each
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:
13.00
Your Price:
6.23
Each
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:
40.78
Each
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:
22.00
Your Price:
26.55
Each
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:
81.00
Your Price:
33.60
Each
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:
210.00
Your Price:
13.33
Each
Item#:
BU-4530-5030-062-T

4.53 x 5.03 x 0.062 Solid PTFE U-Cup Back Up Ring - Inch - Ltd. Qty.

Available:
4.00
Your Price:
34.91
Each
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:
341.00
Your Price:
9.29
Each
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:
26.14
Each
Item#:
BU-4921-5117-059-T

125 x 130 x 1.5 Solid PTFE U-Cup Back Up Ring - Metric - Ltd. Qty.

Available:
0.00
Your Price:
9.09
Each
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:
6.33
Each
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:
10.00
Your Price:
33.28
Each
Item#:
BU-5000-5875-031-VEG

5 x 5.875 x 0.031 Vegetable Fiber Back Up Inch

Available:
17.00
Your Price:
7.92
Each
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:
69.00
Your Price:
20.30
Each
Item#:
BU-5118-6299-118-T

130 x 160 x 3 Solid PTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
0.00
Your Price:
27.00
Each
Item#:
BU-5125-5500-062-A-S

5.125 x 5.5 x 0.062 Split Nylon Backup Ring for U-Cups - Limited Quantities

Available:
5.00
Your Price:
15.76
Each
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:
13.00
Your Price:
50.91
Each
Item#:
BU-5197-5709-118-B@1

132 x 145 x 3 Solid BTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
139.00
Your Price:
14.31
Each
Item#:
BU-5197-5709-118-B@2

132 x 145 x 3 Solid BTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
60.00
Your Price:
18.90
Each
Item#:
BU-5250-5750-125-N

5.25 x 5.75 x 0.125 Solid Nylon Backup Ring for U-Cups - Limited Quantities

Available:
2.00
Your Price:
35.37
Each
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:
51.52
Each
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:
5.00
Your Price:
46.85
Each
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:
22.00
Your Price:
36.05
Each
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:
27.00
Your Price:
43.07
Each
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:
3.00
Your Price:
60.36
Each
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:
128.00
Your Price:
11.93
Each
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:
63.00
Your Price:
6.66
Each
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:
10.00
Your Price:
18.13
Each
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:
157.00
Your Price:
30.72
Each
|◀ ◀ 685 - 720 of 1638 ▶ ▶|
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