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BUP
Design
    • Provides exceptional extrusion resistance to a paired oring or seal to increase pressure handling capabilities.
    • High abrasion resistance makes it suitable in contaminated fluids.
    • Can be used as a backup to a hydraulic seal or an oring.
Material
    • 95A Polyurethane.
Application
    • Suitable for static and dynamic applications.
    • Suitable for high pressure and heavy duty applications where additional resistance to extrusion is required.
Fluids
    • Hydraulic fluids, petroleum fuels and oils

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Product Code
Description
Availability
Qty
BUP-166
Backup Polyurethane BS166 - 6.750 X 6.938 X 0.040"
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BUP-166 - Backup Polyurethane BS166 - 6.750 X 6.938 X 0.040"
Product Information
Product CodeBUP-166
DescriptionBackup Polyurethane BS166 - 6.750 X 6.938 X 0.040"
ProfileBUP
Internal Diameter6.750
Outer Diameter6.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19166
BUP-261
Backup Polyurethane BS261 - 6.750 X 7.000 X 0.040"
0
BUP-261 - Backup Polyurethane BS261 - 6.750 X 7.000 X 0.040"
Product Information
Product CodeBUP-261
DescriptionBackup Polyurethane BS261 - 6.750 X 7.000 X 0.040"
ProfileBUP
Internal Diameter6.750
Outer Diameter7.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19261
BUP-364
Backup Polyurethane BS364 - 6.750 X 7.125 X 0.055"
0
BUP-364 - Backup Polyurethane BS364 - 6.750 X 7.125 X 0.055"
Product Information
Product CodeBUP-364
DescriptionBackup Polyurethane BS364 - 6.750 X 7.125 X 0.055"
ProfileBUP
Internal Diameter6.750
Outer Diameter7.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19364
BUP-440
Backup Polyurethane BS440 - 6.750 X 7.250 X 0.085"
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BUP-440 - Backup Polyurethane BS440 - 6.750 X 7.250 X 0.085"
Product Information
Product CodeBUP-440
DescriptionBackup Polyurethane BS440 - 6.750 X 7.250 X 0.085"
ProfileBUP
Internal Diameter6.750
Outer Diameter7.250
Seal Height0.085
Max. Temp C100
Alt. Part No.R19440
BUP-167
Backup Polyurethane BS167 - 7.000 X 7.188 X 0.040"
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BUP-167 - Backup Polyurethane BS167 - 7.000 X 7.188 X 0.040"
Product Information
Product CodeBUP-167
DescriptionBackup Polyurethane BS167 - 7.000 X 7.188 X 0.040"
ProfileBUP
Internal Diameter7.000
Outer Diameter7.188
Seal Height0.040
Max. Temp C100
Alt. Part No.R19167
BUP-262
Backup Polyurethane BS262 - 7.000 X 7.250 X 0.040"
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BUP-262 - Backup Polyurethane BS262 - 7.000 X 7.250 X 0.040"
Product Information
Product CodeBUP-262
DescriptionBackup Polyurethane BS262 - 7.000 X 7.250 X 0.040"
ProfileBUP
Internal Diameter7.000
Outer Diameter7.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19262
BUP-365
Backup Polyurethane BS365 - 7.000 X 7.375 X 0.055"
0
BUP-365 - Backup Polyurethane BS365 - 7.000 X 7.375 X 0.055"
Product Information
Product CodeBUP-365
DescriptionBackup Polyurethane BS365 - 7.000 X 7.375 X 0.055"
ProfileBUP
Internal Diameter7.000
Outer Diameter7.375
Seal Height0.055
Max. Temp C100
Alt. Part No.R19365
BUP-441
Backup Polyurethane BS441 - 7.000 X 7.500 X 0.085"
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BUP-441 - Backup Polyurethane BS441 - 7.000 X 7.500 X 0.085"
Product Information
Product CodeBUP-441
DescriptionBackup Polyurethane BS441 - 7.000 X 7.500 X 0.085"
ProfileBUP
Internal Diameter7.000
Outer Diameter7.500
Seal Height0.085
Max. Temp C100
Alt. Part No.R19441
BUP-168
Backup Polyurethane BS168 - 7.250 X 7.438 X 0.040"
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BUP-168 - Backup Polyurethane BS168 - 7.250 X 7.438 X 0.040"
Product Information
Product CodeBUP-168
DescriptionBackup Polyurethane BS168 - 7.250 X 7.438 X 0.040"
ProfileBUP
Internal Diameter7.250
Outer Diameter7.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19168
BUP-263
Backup Polyurethane BS263 - 7.250 X 7.500 X 0.040"
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BUP-263 - Backup Polyurethane BS263 - 7.250 X 7.500 X 0.040"
Product Information
Product CodeBUP-263
DescriptionBackup Polyurethane BS263 - 7.250 X 7.500 X 0.040"
ProfileBUP
Internal Diameter7.250
Outer Diameter7.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19263
BUP-366
Backup Polyurethane BS366 - 7.250 X 7.625 X 0.055"
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BUP-366 - Backup Polyurethane BS366 - 7.250 X 7.625 X 0.055"
Product Information
Product CodeBUP-366
DescriptionBackup Polyurethane BS366 - 7.250 X 7.625 X 0.055"
ProfileBUP
Internal Diameter7.250
Outer Diameter7.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19366
BUP-442
Backup Polyurethane BS442 - 7.250 X 7.750 X 0.085"
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BUP-442 - Backup Polyurethane BS442 - 7.250 X 7.750 X 0.085"
Product Information
Product CodeBUP-442
DescriptionBackup Polyurethane BS442 - 7.250 X 7.750 X 0.085"
ProfileBUP
Internal Diameter7.250
Outer Diameter7.750
Seal Height0.085
Max. Temp C100
Alt. Part No.R19442
BUP-169
Backup Polyurethane BS169 - 7.500 X 7.688 X 0.040"
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BUP-169 - Backup Polyurethane BS169 - 7.500 X 7.688 X 0.040"
Product Information
Product CodeBUP-169
DescriptionBackup Polyurethane BS169 - 7.500 X 7.688 X 0.040"
ProfileBUP
Internal Diameter7.500
Outer Diameter7.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19169
BUP-264
Backup Polyurethane BS264 - 7.500 X 7.750 X 0.040"
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BUP-264 - Backup Polyurethane BS264 - 7.500 X 7.750 X 0.040"
Product Information
Product CodeBUP-264
DescriptionBackup Polyurethane BS264 - 7.500 X 7.750 X 0.040"
ProfileBUP
Internal Diameter7.500
Outer Diameter7.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19264
BUP-367
Backup Polyurethane BS367 - 7.500 X 7.875 X 0.055"
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BUP-367 - Backup Polyurethane BS367 - 7.500 X 7.875 X 0.055"
Product Information
Product CodeBUP-367
DescriptionBackup Polyurethane BS367 - 7.500 X 7.875 X 0.055"
ProfileBUP
Internal Diameter7.500
Outer Diameter7.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19367
BUP-443
Backup Polyurethane BS443 - 7.500 X 8.000 X 0.085"
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BUP-443 - Backup Polyurethane BS443 - 7.500 X 8.000 X 0.085"
Product Information
Product CodeBUP-443
DescriptionBackup Polyurethane BS443 - 7.500 X 8.000 X 0.085"
ProfileBUP
Internal Diameter7.500
Outer Diameter8.000
Seal Height0.085
Max. Temp C100
Alt. Part No.R19443
BUP-170
Backup Polyurethane BS170 - 7.750 X 7.938 X 0.040"
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BUP-170 - Backup Polyurethane BS170 - 7.750 X 7.938 X 0.040"
Product Information
Product CodeBUP-170
DescriptionBackup Polyurethane BS170 - 7.750 X 7.938 X 0.040"
ProfileBUP
Internal Diameter7.750
Outer Diameter7.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19170
BUP-265
Backup Polyurethane BS265 - 7.750 X 8.000 X 0.040"
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BUP-265 - Backup Polyurethane BS265 - 7.750 X 8.000 X 0.040"
Product Information
Product CodeBUP-265
DescriptionBackup Polyurethane BS265 - 7.750 X 8.000 X 0.040"
ProfileBUP
Internal Diameter7.750
Outer Diameter8.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19265
BUP-368
Backup Polyurethane BS368 - 7.750 X 8.125 X 0.055"
0
BUP-368 - Backup Polyurethane BS368 - 7.750 X 8.125 X 0.055"
Product Information
Product CodeBUP-368
DescriptionBackup Polyurethane BS368 - 7.750 X 8.125 X 0.055"
ProfileBUP
Internal Diameter7.750
Outer Diameter8.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19368
BUP-444
Backup Polyurethane BS444 - 7.750 X 8.250 X 0.085"
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BUP-444 - Backup Polyurethane BS444 - 7.750 X 8.250 X 0.085"
Product Information
Product CodeBUP-444
DescriptionBackup Polyurethane BS444 - 7.750 X 8.250 X 0.085"
ProfileBUP
Internal Diameter7.750
Outer Diameter8.250
Seal Height0.085
Max. Temp C100
Alt. Part No.R19444
BUP-171
Backup Polyurethane BS171 - 8.000 X 8.188 X 0.040"
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BUP-171 - Backup Polyurethane BS171 - 8.000 X 8.188 X 0.040"
Product Information
Product CodeBUP-171
DescriptionBackup Polyurethane BS171 - 8.000 X 8.188 X 0.040"
ProfileBUP
Internal Diameter8.000
Outer Diameter8.188
Seal Height0.040
Max. Temp C100
Alt. Part No.R19171
BUP-266
Backup Polyurethane BS266 - 8.000 X 8.250 X 0.040"
0
BUP-266 - Backup Polyurethane BS266 - 8.000 X 8.250 X 0.040"
Product Information
Product CodeBUP-266
DescriptionBackup Polyurethane BS266 - 8.000 X 8.250 X 0.040"
ProfileBUP
Internal Diameter8.000
Outer Diameter8.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19266
BUP-369
Backup Polyurethane BS369 - 8.000 X 8.375 X 0.055"
0
BUP-369 - Backup Polyurethane BS369 - 8.000 X 8.375 X 0.055"
Product Information
Product CodeBUP-369
DescriptionBackup Polyurethane BS369 - 8.000 X 8.375 X 0.055"
ProfileBUP
Internal Diameter8.000
Outer Diameter8.375
Seal Height0.055
Max. Temp C100
Alt. Part No.R19369
BUP-445
Backup Polyurethane BS445 - 8.000 X 8.500 X 0.085"
0
BUP-445 - Backup Polyurethane BS445 - 8.000 X 8.500 X 0.085"
Product Information
Product CodeBUP-445
DescriptionBackup Polyurethane BS445 - 8.000 X 8.500 X 0.085"
ProfileBUP
Internal Diameter8.000
Outer Diameter8.500
Seal Height0.085
Max. Temp C100
Alt. Part No.R19445
 
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