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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-357
Backup Polyurethane BS357 - 5.500 X 5.875 X 0.055"
0
BUP-357 - Backup Polyurethane BS357 - 5.500 X 5.875 X 0.055"
Product Information
Product CodeBUP-357
DescriptionBackup Polyurethane BS357 - 5.500 X 5.875 X 0.055"
ProfileBUP
Internal Diameter5.500
Outer Diameter5.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19357
BUP-433
Backup Polyurethane BS433 - 5.500 X 6.000 X 0.085"
0
BUP-433 - Backup Polyurethane BS433 - 5.500 X 6.000 X 0.085"
Product Information
Product CodeBUP-433
DescriptionBackup Polyurethane BS433 - 5.500 X 6.000 X 0.085"
ProfileBUP
Internal Diameter5.500
Outer Diameter6.000
Seal Height0.085
Max. Temp C100
Alt. Part No.R19433
BUP-255
Backup Polyurethane BS255 - 5.625 X 5.875 X 0.040"
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BUP-255 - Backup Polyurethane BS255 - 5.625 X 5.875 X 0.040"
Product Information
Product CodeBUP-255
DescriptionBackup Polyurethane BS255 - 5.625 X 5.875 X 0.040"
ProfileBUP
Internal Diameter5.625
Outer Diameter5.875
Seal Height0.040
Max. Temp C100
Alt. Part No.R19255
BUP-358
Backup Polyurethane BS358 - 5.625 X 6.000 X 0.055"
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BUP-358 - Backup Polyurethane BS358 - 5.625 X 6.000 X 0.055"
Product Information
Product CodeBUP-358
DescriptionBackup Polyurethane BS358 - 5.625 X 6.000 X 0.055"
ProfileBUP
Internal Diameter5.625
Outer Diameter6.000
Seal Height0.055
Max. Temp C100
Alt. Part No.R19358
BUP-434
Backup Polyurethane BS434 - 5.625 X 6.125 X 0.085"
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BUP-434 - Backup Polyurethane BS434 - 5.625 X 6.125 X 0.085"
Product Information
Product CodeBUP-434
DescriptionBackup Polyurethane BS434 - 5.625 X 6.125 X 0.085"
ProfileBUP
Internal Diameter5.625
Outer Diameter6.125
Seal Height0.085
Max. Temp C100
Alt. Part No.R19434
BUP-162
Backup Polyurethane BS162 - 5.750 X 5.938 X 0.040"
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BUP-162 - Backup Polyurethane BS162 - 5.750 X 5.938 X 0.040"
Product Information
Product CodeBUP-162
DescriptionBackup Polyurethane BS162 - 5.750 X 5.938 X 0.040"
ProfileBUP
Internal Diameter5.750
Outer Diameter5.938
Seal Height0.040
Max. Temp C100
Alt. Part No.R19162
BUP-256
Backup Polyurethane BS256 - 5.750 X 6.000 X 0.040"
0
BUP-256 - Backup Polyurethane BS256 - 5.750 X 6.000 X 0.040"
Product Information
Product CodeBUP-256
DescriptionBackup Polyurethane BS256 - 5.750 X 6.000 X 0.040"
ProfileBUP
Internal Diameter5.750
Outer Diameter6.000
Seal Height0.040
Max. Temp C100
Alt. Part No.R19256
BUP-359
Backup Polyurethane BS359 - 5.750 X 6.125 X 0.055"
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BUP-359 - Backup Polyurethane BS359 - 5.750 X 6.125 X 0.055"
Product Information
Product CodeBUP-359
DescriptionBackup Polyurethane BS359 - 5.750 X 6.125 X 0.055"
ProfileBUP
Internal Diameter5.750
Outer Diameter6.125
Seal Height0.055
Max. Temp C100
Alt. Part No.R19359
BUP-435
Backup Polyurethane BS435 - 5.750 X 6.250 X 0.085"
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BUP-435 - Backup Polyurethane BS435 - 5.750 X 6.250 X 0.085"
Product Information
Product CodeBUP-435
DescriptionBackup Polyurethane BS435 - 5.750 X 6.250 X 0.085"
ProfileBUP
Internal Diameter5.750
Outer Diameter6.250
Seal Height0.085
Max. Temp C100
Alt. Part No.R19435
BUP-257
Backup Polyurethane BS257 - 5.875 X 6.125 X 0.040"
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BUP-257 - Backup Polyurethane BS257 - 5.875 X 6.125 X 0.040"
Product Information
Product CodeBUP-257
DescriptionBackup Polyurethane BS257 - 5.875 X 6.125 X 0.040"
ProfileBUP
Internal Diameter5.875
Outer Diameter6.125
Seal Height0.040
Max. Temp C100
Alt. Part No.R19257
BUP-360
Backup Polyurethane BS360 - 5.875 X 6.250 X 0.055"
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BUP-360 - Backup Polyurethane BS360 - 5.875 X 6.250 X 0.055"
Product Information
Product CodeBUP-360
DescriptionBackup Polyurethane BS360 - 5.875 X 6.250 X 0.055"
ProfileBUP
Internal Diameter5.875
Outer Diameter6.250
Seal Height0.055
Max. Temp C100
Alt. Part No.R19360
BUP-436
Backup Polyurethane BS436 - 5.875 X 6.375 X 0.085"
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BUP-436 - Backup Polyurethane BS436 - 5.875 X 6.375 X 0.085"
Product Information
Product CodeBUP-436
DescriptionBackup Polyurethane BS436 - 5.875 X 6.375 X 0.085"
ProfileBUP
Internal Diameter5.875
Outer Diameter6.375
Seal Height0.085
Max. Temp C100
Alt. Part No.R19436
BUP-163
Backup Polyurethane BS163 - 6.000 X 6.188 X 0.040"
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BUP-163 - Backup Polyurethane BS163 - 6.000 X 6.188 X 0.040"
Product Information
Product CodeBUP-163
DescriptionBackup Polyurethane BS163 - 6.000 X 6.188 X 0.040"
ProfileBUP
Internal Diameter6.000
Outer Diameter6.188
Seal Height0.040
Max. Temp C100
Alt. Part No.R19163
BUP-258
Backup Polyurethane BS258 - 6.000 X 6.250 X 0.040"
0
BUP-258 - Backup Polyurethane BS258 - 6.000 X 6.250 X 0.040"
Product Information
Product CodeBUP-258
DescriptionBackup Polyurethane BS258 - 6.000 X 6.250 X 0.040"
ProfileBUP
Internal Diameter6.000
Outer Diameter6.250
Seal Height0.040
Max. Temp C100
Alt. Part No.R19258
BUP-361
Backup Polyurethane BS361 - 6.000 X 6.375 X 0.055"
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BUP-361 - Backup Polyurethane BS361 - 6.000 X 6.375 X 0.055"
Product Information
Product CodeBUP-361
DescriptionBackup Polyurethane BS361 - 6.000 X 6.375 X 0.055"
ProfileBUP
Internal Diameter6.000
Outer Diameter6.375
Seal Height0.055
Max. Temp C100
Alt. Part No.R19361
BUP-437
Backup Polyurethane BS437 - 6.000 X 6.500 X 0.085"
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BUP-437 - Backup Polyurethane BS437 - 6.000 X 6.500 X 0.085"
Product Information
Product CodeBUP-437
DescriptionBackup Polyurethane BS437 - 6.000 X 6.500 X 0.085"
ProfileBUP
Internal Diameter6.000
Outer Diameter6.500
Seal Height0.085
Max. Temp C100
Alt. Part No.R19437
BUP-164
Backup Polyurethane BS164 - 6.250 X 6.438 X 0.040"
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BUP-164 - Backup Polyurethane BS164 - 6.250 X 6.438 X 0.040"
Product Information
Product CodeBUP-164
DescriptionBackup Polyurethane BS164 - 6.250 X 6.438 X 0.040"
ProfileBUP
Internal Diameter6.250
Outer Diameter6.438
Seal Height0.040
Max. Temp C100
Alt. Part No.R19164
BUP-259
Backup Polyurethane BS259 - 6.250 X 6.500 X 0.040"
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BUP-259 - Backup Polyurethane BS259 - 6.250 X 6.500 X 0.040"
Product Information
Product CodeBUP-259
DescriptionBackup Polyurethane BS259 - 6.250 X 6.500 X 0.040"
ProfileBUP
Internal Diameter6.250
Outer Diameter6.500
Seal Height0.040
Max. Temp C100
Alt. Part No.R19259
BUP-362
Backup Polyurethane BS362 - 6.250 X 6.625 X 0.055"
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BUP-362 - Backup Polyurethane BS362 - 6.250 X 6.625 X 0.055"
Product Information
Product CodeBUP-362
DescriptionBackup Polyurethane BS362 - 6.250 X 6.625 X 0.055"
ProfileBUP
Internal Diameter6.250
Outer Diameter6.625
Seal Height0.055
Max. Temp C100
Alt. Part No.R19362
BUP-438
Backup Polyurethane BS438 - 6.250 X 6.750 X 0.085"
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BUP-438 - Backup Polyurethane BS438 - 6.250 X 6.750 X 0.085"
Product Information
Product CodeBUP-438
DescriptionBackup Polyurethane BS438 - 6.250 X 6.750 X 0.085"
ProfileBUP
Internal Diameter6.250
Outer Diameter6.750
Seal Height0.085
Max. Temp C100
Alt. Part No.R19438
BUP-165
Backup Polyurethane BS165 - 6.500 X 6.688 X 0.040"
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BUP-165 - Backup Polyurethane BS165 - 6.500 X 6.688 X 0.040"
Product Information
Product CodeBUP-165
DescriptionBackup Polyurethane BS165 - 6.500 X 6.688 X 0.040"
ProfileBUP
Internal Diameter6.500
Outer Diameter6.688
Seal Height0.040
Max. Temp C100
Alt. Part No.R19165
BUP-260
Backup Polyurethane BS260 - 6.500 X 6.750 X 0.040"
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BUP-260 - Backup Polyurethane BS260 - 6.500 X 6.750 X 0.040"
Product Information
Product CodeBUP-260
DescriptionBackup Polyurethane BS260 - 6.500 X 6.750 X 0.040"
ProfileBUP
Internal Diameter6.500
Outer Diameter6.750
Seal Height0.040
Max. Temp C100
Alt. Part No.R19260
BUP-363
Backup Polyurethane BS363 - 6.500 X 6.875 X 0.055"
0
BUP-363 - Backup Polyurethane BS363 - 6.500 X 6.875 X 0.055"
Product Information
Product CodeBUP-363
DescriptionBackup Polyurethane BS363 - 6.500 X 6.875 X 0.055"
ProfileBUP
Internal Diameter6.500
Outer Diameter6.875
Seal Height0.055
Max. Temp C100
Alt. Part No.R19363
BUP-439
Backup Polyurethane BS439 - 6.500 X 7.000 X 0.085"
0
BUP-439 - Backup Polyurethane BS439 - 6.500 X 7.000 X 0.085"
Product Information
Product CodeBUP-439
DescriptionBackup Polyurethane BS439 - 6.500 X 7.000 X 0.085"
ProfileBUP
Internal Diameter6.500
Outer Diameter7.000
Seal Height0.085
Max. Temp C100
Alt. Part No.R19439
 
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