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-2000-2625-062-VEG

2 x 2.625 x 0.062 Vegetable Fiber Back Up Inch

Available:
133.00
Your Price:
8.23
Each
Item#:
BU-2000-2750-032-VEG

2 x 2.75 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-75 OD-100 HT-13
SPEC SHEET

Available:
8.00
Your Price:
8.16
Each
Item#:
BU-2062-2562-093-H

2.062 x 2.562 x .093 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.062 OD-2.562 HT- .093 

Available:
10.00
Your Price:
9.18
Each
Item#:
BU-2125-2500-062-T

2.125 x 2.5 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-2.125 OD-2.5 HT-0.062
SPEC SHEET

Available:
13.00
Your Price:
16.94
Each
Item#:
BU-2250-2500-050-N

2.25 x 2.5 x 0.05 Solid Nylon Backup Ring for U-Cups - Limited Quantities

Available:
1.00
Your Price:
3.51
Each
Item#:
BU-2250-2750-062-T

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

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

ID-2.25 OD-2.75 HT-0.062
SPEC SHEET

Available:
21.00
Your Price:
20.00
Each
Item#:
BU-2250-2750-075-N@1

2.25 x 2.75 x 0.075 Split Nylon Backup Ring for U-Cups - Limited Quantities

Available:
7.00
Your Price:
9.55
Each
Item#:
BU-2250-2750-125-T

2.25 x 2.75 x .125 Solid PTFE U-Cup Back Up Ring Inch

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

ID-2.25 OD-2.75 HT-0.125
SPEC SHEET

Available:
8.00
Your Price:
35.71
Each
Item#:
BU-2499-2730-150-T

2.499 x 2.73 x 0.15 Solid PTFE U-Cup Back Up Ring Inch

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

ID-2.499 OD-2.73 HT-0.15
SPEC SHEET

Available:
16.00
Your Price:
20.11
Each
Item#:
BU-2500-2687-031-VEG

2.5 x 2.687 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-2.5 OD-2.687 HT-0.031
SPEC SHEET

Available:
27.00
Your Price:
7.32
Each
Item#:
BU-2500-2750-031-VEG

2.5 x 2.75 x .031 Vegetable Fiber Back Up Inch

Hydraulic Seal

ID-2.5 OD-2.75 HT-0.031
SPEC SHEET

Available:
32.00
Your Price:
7.77
Each
Item#:
BU-2500-2875-062-H

2.5 x 2.875 x .062 55 Shore D Hytrel® U-Cup Back Up Ring Inch

Hydraulic SealAlternative Seals: BU-T, BU-N

ID-2.5 OD-2.875 HT- .062 

Available:
62.00
Your Price:
3.74
Each
Item#:
BU-2500-2875-062-T

2.5 x 2.875 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-2.5 OD-2.875 HT-0.062
SPEC SHEET

Available:
1.00
Your Price:
34.52
Each
Item#:
BU-2500-2875-065-N@1

2.5 x 2.875 x 0.065 Split Nylon Backup Ring for U-Cups - Limited Quantities

Available:
4.00
Your Price:
3.51
Each
Item#:
BU-2500-2875-092-T4

2.5 x 2.875 x 0.092 Solid MGTFE U-Cup Back Up Ring - Inch - Ltd. Qty.

Available:
3.00
Your Price:
39.96
Each
Item#:
BU-2500-2937-062-T

2.5 x 2.937 x 0.062 Solid PTFE U-Cup Back Up Ring Inch

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

ID-2.5 OD-2.937 HT-0.062
SPEC SHEET

Available:
5.00
Your Price:
18.33
Each
Item#:
BU-2500-3000-062-T

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

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

ID-2.5 OD-3 HT-0.062
SPEC SHEET

Available:
44.00
Your Price:
18.99
Each
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:
17.00
Your Price:
7.36
Each
Item#:
BU-2500-3500-250-N-S

2.5 x 3.5 x 0.25 Split Nylon Backup Ring for U-Cups - Limited Quantities

Available:
33.00
Your Price:
17.82
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:
9.00
Your Price:
20.61
Each
Item#:
BU-2562-3000-250-T-S

2.562 x 3 x 0.25 Split PTFE U-Cup Back Up Ring - Inch - Limited Quantities

Available:
22.00
Your Price:
25.65
Each
Item#:
BU-2625-3000-075-N@1

2.625 x 3 x 0.075 Split Nylon Backup Ring for U-Cups - Limited Quantities

Available:
2.00
Your Price:
3.79
Each
Item#:
BU-2625-3000-092-N1

2.625 x 3 x 0.092 Solid Nylon Backup Ring for U-Cups - Limited Quantities

Available:
1.00
Your Price:
3.78
Each
Item#:
BU-2687-2937-052-T-S

2.687 x 2.937 x 0.052 Split PTFE U-Cup Back Up Ring - Inch - Ltd. Qty.

Available:
40.00
Your Price:
25.65
Each
Item#:
BU-2750-3000-050-N

2.75 x 3 x 0.05 Solid Nylon Backup Ring for U-Cups - Limited Quantities

Available:
6.00
Your Price:
3.62
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:
19.00
Your Price:
22.56
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:
8.73
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:
7.85
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:
104.00
Your Price:
6.16
Each
Item#:
BU-2750-3500-062-VEG

2.75 x 3.5 x 0.062 Vegetable Fiber Back Up Inch

Available:
6.00
Your Price:
9.17
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:
348.46
Each
Item#:
BU-2756-2953-059-T

70 x 75 x 1.5 Solid PTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
0.00
Your Price:
7.78
Each
Item#:
BU-2756-3150-059-T

70 x 80 x 1.5 Solid PTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
0.00
Your Price:
14.58
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:
51.00
Your Price:
12.93
Each
Item#:
BU-2894-3150-079-T

73.5 x 80 x 2 Solid PTFE U-Cup Back Up Ring - Metric - Limited Quantities

Available:
4.00
Your Price:
38.34
Each
Item#:
BU-2910-3142-054-T

75.2 x 80 x 1.4 Solid PTFE U-Cup Back Up Ring - Inch - Limited Quantities

Available:
1.00
Your Price:
9.45
Each
|◀ ◀ 613 - 648 of 1638 ▶ ▶|
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