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#:
MBT-30X36X1.25

ID-30 OD-36 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-30 OD-36 HT-1.25
SPEC SHEET

Available:
19.00
Your Price:
2.94
Each
Item#:
MBT-30X40X1.5-S

ID-30 OD-40 HT-1.5 Virgin PTFE Split Back Up Metric

Available:
62.00
Your Price:
2.94
Each
Item#:
MBT-30X42X1.5

ID-30 OD-42 HT-1.5 Virgin PTFE Solid Back Up Metric

Available:
13.00
Your Price:
2.94
Each
Item#:
MBT-31X37X1.25

ID-31 OD-37 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-31 OD-37 HT-1.25
SPEC SHEET

Available:
36.00
Your Price:
2.94
Each
Item#:
MBT-320X330X2.5

ID-320 OD-330 HT-2.5 Virgin PTFE Solid Back Up Metric

Available:
7.00
Your Price:
55.25
Each
Item#:
MBT-32X38X1.25

ID-32 OD-38 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-32 OD-38 HT-1.25
SPEC SHEET

Available:
79.00
Your Price:
2.94
Each
Item#:
MBT-34X40X1.25

ID-34 OD-40 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-34 OD-40 HT-1.25
SPEC SHEET

Available:
104.00
Your Price:
3.18
Each
Item#:
MBT-35X40X1.25

ID-35 OD-40 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-35 OD-40 HT-1.25
SPEC SHEET

Available:
60.00
Your Price:
2.81
Each
Item#:
MBT-35X41X1.25

ID-35 OD-41 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-35 OD-41 HT-1.25
SPEC SHEET

Available:
85.00
Your Price:
3.18
Each
Item#:
MBT-36X42X1.25

ID-36 OD-42 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-36 OD-42 HT-1.25
SPEC SHEET

Available:
25.00
Your Price:
3.41
Each
Item#:
MBT-38X44X1.25

ID-38 OD-44 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-38 OD-44 HT-1.25
SPEC SHEET

Available:
40.00
Your Price:
3.41
Each
Item#:
MBT-39X45X1.25

39 x 45 x 1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-39 OD-45 HT-1.25
SPEC SHEET

Available:
30.00
Your Price:
3.41
Each
Item#:
MBT-40X45X1.25

40 x 45 x 1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-40 OD-45 HT-1.25
SPEC SHEET

Available:
126.00
Your Price:
1.99
Each
Item#:
MBT-40X50X1.9

40 x 50 x 1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-40 OD-50 HT-1.9
SPEC SHEET

Available:
27.00
Your Price:
3.61
Each
Item#:
MBT-41X46X1.5

ID-41 OD-46 HT-1.5 Virgin PTFE Solid Back Up Metric

Available:
4.00
Your Price:
3.61
Each
Item#:
MBT-41X47X1.25

ID-41 OD-47 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-41 OD-47 HT-1.25
SPEC SHEET

Available:
37.00
Your Price:
3.64
Each
Item#:
MBT-42X48X1.25

ID-42 OD-48 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-42 OD-48 HT-1.25
SPEC SHEET

Available:
48.00
Your Price:
3.64
Each
Item#:
MBT-44X50X1.25

ID-44 OD-50 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-44 OD-50 HT-1.25
SPEC SHEET

Available:
37.00
Your Price:
4.09
Each
Item#:
MBT-45X50X1.25

ID-45 OD-50 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-45 OD-50 HT-1.25
SPEC SHEET

Available:
78.00
Your Price:
2.97
Each
Item#:
MBT-45X50X1.5-S

ID-45 OD-50 HT-1.5 Virgin PTFE Split Back Up Metric

Available:
12.00
Your Price:
3.61
Each
Item#:
MBT-45X51X1.25

ID-45 OD-51 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-ID-45 OD-51 HT-1.25
SPEC SHEET

Available:
23.00
Your Price:
4.14
Each
Item#:
MBT-45X55X1.25

ID-45 OD-55 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-45 OD-55 HT-1.25
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
MBT-45X55X1.9

ID-45 OD-55 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-45 OD-55 HT-1.9
SPEC SHEET

Available:
42.00
Your Price:
6.38
Each
Item#:
MBT-46X52X1.25

ID-46 OD-52 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-46 OD-52 HT-1.25
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
MBT-48X54X1.25

ID-48 OD-54 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-48 OD-54 HT-1.25
SPEC SHEET

Available:
24.00
Your Price:
4.18
Each
Item#:
MBT-48X58X1.9

ID-48 OD-58 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-48 OD-58 HT-1.9
SPEC SHEET

Available:
35.00
Your Price:
6.39
Each
Item#:
MBT-49X55X1.25

ID-49 OD-55 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-49 OD-55 HT-1.25
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
MBT-50X55X1.25

ID-50 OD-55 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-50 OD-55 HT-1.25
SPEC SHEET

Available:
77.00
Your Price:
2.97
Each
Item#:
MBT-50X56X1.25

ID-50 OD-56 HT-1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-50 OD-56 HT-1.25
SPEC SHEET

Available:
67.00
Your Price:
4.23
Each
Item#:
MBT-50X60X1.9

ID-50 OD-60 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-50 OD-60 HT-1.9
SPEC SHEET

Available:
50.00
Your Price:
6.43
Each
Item#:
MBT-52X62X1.9

ID-52 OD-62 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-52 OD-62 HT-1.9
SPEC SHEET

Available:
0.00
Contact us to order
Item#:
MBT-53X63X1.9

ID-53 OD-63 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-53 OD-63 HT-1.9
SPEC SHEET

Available:
13.00
Your Price:
6.53
Each
Item#:
MBT-55X60X1.25

55 x 60 x 1.25 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-55 OD-60 HT-1.25
SPEC SHEET

Available:
56.00
Your Price:
2.97
Each
Item#:
MBT-55X65X1.9

ID-55 OD-65 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-55 OD-65 HT-1.9
SPEC SHEET

Available:
57.00
Your Price:
6.58
Each
Item#:
MBT-56X66X1.9

ID-56 OD-66 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-56 OD-66 HT-1.9
SPEC SHEET

Available:
29.00
Your Price:
7.00
Each
Item#:
MBT-58X68X1.9

ID-58 OD-68 HT-1.9 Virgin PTFE Solid Back Up Metric

Hydraulic SealAlternative Seals: MBH, MBN

ID-58 OD-68 HT-1.9
SPEC SHEET

Available:
26.00
Your Price:
7.11
Each
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