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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-172
Backup Polyurethane BS172 - 8.250 X 8.438 X 0.040"
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BUP-172 - Backup Polyurethane BS172 - 8.250 X 8.438 X 0.040"
Product Information
Product CodeBUP-172
DescriptionBackup Polyurethane BS172 - 8.250 X 8.438 X 0.040"
ProfileBUP
Internal Diameter8.250
Outer Diameter8.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19172
BUP-267
Backup Polyurethane BS267 - 8.250 X 8.500 X 0.040"
0
BUP-267 - Backup Polyurethane BS267 - 8.250 X 8.500 X 0.040"
Product Information
Product CodeBUP-267
DescriptionBackup Polyurethane BS267 - 8.250 X 8.500 X 0.040"
ProfileBUP
Internal Diameter8.250
Outer Diameter8.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19267
BUP-370
Backup Polyurethane BS370 - 8.250 X 8.625 X 0.055"
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BUP-370 - Backup Polyurethane BS370 - 8.250 X 8.625 X 0.055"
Product Information
Product CodeBUP-370
DescriptionBackup Polyurethane BS370 - 8.250 X 8.625 X 0.055"
ProfileBUP
Internal Diameter8.250
Outer Diameter8.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19370
BUP-173
Backup Polyurethane BS173 - 8.500 X 8.688 X 0.040"
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BUP-173 - Backup Polyurethane BS173 - 8.500 X 8.688 X 0.040"
Product Information
Product CodeBUP-173
DescriptionBackup Polyurethane BS173 - 8.500 X 8.688 X 0.040"
ProfileBUP
Internal Diameter8.500
Outer Diameter8.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19173
BUP-268
Backup Polyurethane BS268 - 8.500 X 8.750 X 0.040"
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BUP-268 - Backup Polyurethane BS268 - 8.500 X 8.750 X 0.040"
Product Information
Product CodeBUP-268
DescriptionBackup Polyurethane BS268 - 8.500 X 8.750 X 0.040"
ProfileBUP
Internal Diameter8.500
Outer Diameter8.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19268
BUP-371
Backup Polyurethane BS371 - 8.500 X 8.875 X 0.055"
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BUP-371 - Backup Polyurethane BS371 - 8.500 X 8.875 X 0.055"
Product Information
Product CodeBUP-371
DescriptionBackup Polyurethane BS371 - 8.500 X 8.875 X 0.055"
ProfileBUP
Internal Diameter8.500
Outer Diameter8.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19371
BUP-446
Backup Polyurethane BS446 - 8.500 X 9.000 X 0.085"
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BUP-446 - Backup Polyurethane BS446 - 8.500 X 9.000 X 0.085"
Product Information
Product CodeBUP-446
DescriptionBackup Polyurethane BS446 - 8.500 X 9.000 X 0.085"
ProfileBUP
Internal Diameter8.500
Outer Diameter9.000
Seal Height0.085
Max. Temp C100
Alt. Part No.R19446
BUP-174
Backup Polyurethane BS174 - 8.750 X 8.938 X 0.040"
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BUP-174 - Backup Polyurethane BS174 - 8.750 X 8.938 X 0.040"
Product Information
Product CodeBUP-174
DescriptionBackup Polyurethane BS174 - 8.750 X 8.938 X 0.040"
ProfileBUP
Internal Diameter8.750
Outer Diameter8.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19174
BUP-269
Backup Polyurethane BS269 - 8.750 X 9.000 X 0.040"
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BUP-269 - Backup Polyurethane BS269 - 8.750 X 9.000 X 0.040"
Product Information
Product CodeBUP-269
DescriptionBackup Polyurethane BS269 - 8.750 X 9.000 X 0.040"
ProfileBUP
Internal Diameter8.750
Outer Diameter9.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19269
BUP-372
Backup Polyurethane BS372 - 8.750 X 9.125 X 0.055"
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BUP-372 - Backup Polyurethane BS372 - 8.750 X 9.125 X 0.055"
Product Information
Product CodeBUP-372
DescriptionBackup Polyurethane BS372 - 8.750 X 9.125 X 0.055"
ProfileBUP
Internal Diameter8.750
Outer Diameter9.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19372
BUP-175
Backup Polyurethane BS175 - 9.000 X 9.188 X 0.040"
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BUP-175 - Backup Polyurethane BS175 - 9.000 X 9.188 X 0.040"
Product Information
Product CodeBUP-175
DescriptionBackup Polyurethane BS175 - 9.000 X 9.188 X 0.040"
ProfileBUP
Internal Diameter9.000
Outer Diameter9.188
Seal Height0.040
Max. Temp C100
Alt. Part No.R19175
BUP-270
Backup Polyurethane BS270 - 9.000 X 9.250 X 0.040"
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BUP-270 - Backup Polyurethane BS270 - 9.000 X 9.250 X 0.040"
Product Information
Product CodeBUP-270
DescriptionBackup Polyurethane BS270 - 9.000 X 9.250 X 0.040"
ProfileBUP
Internal Diameter9.000
Outer Diameter9.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19270
BUP-373
Backup Polyurethane BS373 - 9.000 X 9.375 X 0.055"
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BUP-373 - Backup Polyurethane BS373 - 9.000 X 9.375 X 0.055"
Product Information
Product CodeBUP-373
DescriptionBackup Polyurethane BS373 - 9.000 X 9.375 X 0.055"
ProfileBUP
Internal Diameter9.000
Outer Diameter9.375
Seal Height0.055
Max. Temp C100
Alt. Part No.R19373
BUP-447
Backup Polyurethane BS447 - 9.000 X 9.500 X 0.085"
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BUP-447 - Backup Polyurethane BS447 - 9.000 X 9.500 X 0.085"
Product Information
Product CodeBUP-447
DescriptionBackup Polyurethane BS447 - 9.000 X 9.500 X 0.085"
ProfileBUP
Internal Diameter9.000
Outer Diameter9.500
Seal Height0.085
Max. Temp C100
Alt. Part No.R19447
BUP-176
Backup Polyurethane BS176 - 9.250 X 9.438 X 0.040"
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BUP-176 - Backup Polyurethane BS176 - 9.250 X 9.438 X 0.040"
Product Information
Product CodeBUP-176
DescriptionBackup Polyurethane BS176 - 9.250 X 9.438 X 0.040"
ProfileBUP
Internal Diameter9.250
Outer Diameter9.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19176
BUP-271
Backup Polyurethane BS271 - 9.250 X 9.500 X 0.040"
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BUP-271 - Backup Polyurethane BS271 - 9.250 X 9.500 X 0.040"
Product Information
Product CodeBUP-271
DescriptionBackup Polyurethane BS271 - 9.250 X 9.500 X 0.040"
ProfileBUP
Internal Diameter9.250
Outer Diameter9.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19271
BUP-374
Backup Polyurethane BS374 - 9.250 X 9.625 X 0.055"
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BUP-374 - Backup Polyurethane BS374 - 9.250 X 9.625 X 0.055"
Product Information
Product CodeBUP-374
DescriptionBackup Polyurethane BS374 - 9.250 X 9.625 X 0.055"
ProfileBUP
Internal Diameter9.250
Outer Diameter9.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19374
BUP-177
Backup Polyurethane BS177 - 9.500 X 9.688 X 0.040"
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BUP-177 - Backup Polyurethane BS177 - 9.500 X 9.688 X 0.040"
Product Information
Product CodeBUP-177
DescriptionBackup Polyurethane BS177 - 9.500 X 9.688 X 0.040"
ProfileBUP
Internal Diameter9.500
Outer Diameter9.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19177
BUP-272
Backup Polyurethane BS272 - 9.500 X 9.750 X 0.040"
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BUP-272 - Backup Polyurethane BS272 - 9.500 X 9.750 X 0.040"
Product Information
Product CodeBUP-272
DescriptionBackup Polyurethane BS272 - 9.500 X 9.750 X 0.040"
ProfileBUP
Internal Diameter9.500
Outer Diameter9.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19272
BUP-375
Backup Polyurethane BS375 - 9.500 X 9.875 X 0.055"
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BUP-375 - Backup Polyurethane BS375 - 9.500 X 9.875 X 0.055"
Product Information
Product CodeBUP-375
DescriptionBackup Polyurethane BS375 - 9.500 X 9.875 X 0.055"
ProfileBUP
Internal Diameter9.500
Outer Diameter9.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19375
BUP-448
Backup Polyurethane BS448 - 9.500 X 10.000 X 0.085"
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BUP-448 - Backup Polyurethane BS448 - 9.500 X 10.000 X 0.085"
Product Information
Product CodeBUP-448
DescriptionBackup Polyurethane BS448 - 9.500 X 10.000 X 0.085"
ProfileBUP
Internal Diameter9.500
Outer Diameter10.000
Seal Height0.085
Max. Temp C100
Alt. Part No.R19448
BUP-178
Backup Polyurethane BS178 - 9.750 X 9.938 X 0.040"
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BUP-178 - Backup Polyurethane BS178 - 9.750 X 9.938 X 0.040"
Product Information
Product CodeBUP-178
DescriptionBackup Polyurethane BS178 - 9.750 X 9.938 X 0.040"
ProfileBUP
Internal Diameter9.750
Outer Diameter9.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19178
BUP-273
Backup Polyurethane BS273 - 9.750 X 10.000 X 0.040"
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BUP-273 - Backup Polyurethane BS273 - 9.750 X 10.000 X 0.040"
Product Information
Product CodeBUP-273
DescriptionBackup Polyurethane BS273 - 9.750 X 10.000 X 0.040"
ProfileBUP
Internal Diameter9.750
Outer Diameter10.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19273
BUP-376
Backup Polyurethane BS376 - 9.750 X 10.125 X 0.055"
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BUP-376 - Backup Polyurethane BS376 - 9.750 X 10.125 X 0.055"
Product Information
Product CodeBUP-376
DescriptionBackup Polyurethane BS376 - 9.750 X 10.125 X 0.055"
ProfileBUP
Internal Diameter9.750
Outer Diameter10.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19376
 
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