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BUN
Design
    • Contoured back-up rings provide a comfortable fit when paired with an oring.
    • Provides good extrusion resistance to a paired oring to increase pressure handling capabilities.
Material
    • 70A Nitrile - Precision Moulded
    • Most economical solution to enhance oring capability.
Application
    • Suitable for static and dynamic applications.
Fluids
    • Hydraulic fluids, petroleum fuels and oils

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Product Code
Description
Availability
Qty
BUN-001
Backup Contoured NBR90 BS001 - 0.031 X 0.156 X 0.045"
-
Enquire
BUN-001 - Backup Contoured NBR90 BS001 - 0.031 X 0.156 X 0.045"
Product Information
Product CodeBUN-001
DescriptionBackup Contoured NBR90 BS001 - 0.031 X 0.156 X 0.045"
ProfileBUN
Internal Diameter0.031
Outer Diameter0.156
Seal Height0.045
Max. Temp C110
Alt. Part No.R80001
BUN-002
Backup Contoured NBR90 BS002 - 0.047 X 0.172 X 0.045"
-
Enquire
BUN-002 - Backup Contoured NBR90 BS002 - 0.047 X 0.172 X 0.045"
Product Information
Product CodeBUN-002
DescriptionBackup Contoured NBR90 BS002 - 0.047 X 0.172 X 0.045"
ProfileBUN
Internal Diameter0.047
Outer Diameter0.172
Seal Height0.045
Max. Temp C110
Alt. Part No.R80002
BUN-003
Backup Contoured NBR90 BS003 - 0.063 X 0.188 X 0.045"
-
Enquire
BUN-003 - Backup Contoured NBR90 BS003 - 0.063 X 0.188 X 0.045"
Product Information
Product CodeBUN-003
DescriptionBackup Contoured NBR90 BS003 - 0.063 X 0.188 X 0.045"
ProfileBUN
Internal Diameter0.063
Outer Diameter0.188
Seal Height0.045
Max. Temp C110
Alt. Part No.R80003
BUN-102
Backup Contoured NBR90 BS102 - 0.063 X 0.250 X 0.045"
-
Enquire
BUN-102 - Backup Contoured NBR90 BS102 - 0.063 X 0.250 X 0.045"
Product Information
Product CodeBUN-102
DescriptionBackup Contoured NBR90 BS102 - 0.063 X 0.250 X 0.045"
ProfileBUN
Internal Diameter0.063
Outer Diameter0.250
Seal Height0.045
Max. Temp C110
Alt. Part No.R80102
BUN-004
Backup Contoured NBR90 BS004 - 0.078 X 0.203 X 0.045"
104
BUN-004 - Backup Contoured NBR90 BS004 - 0.078 X 0.203 X 0.045"
Product Information
Product CodeBUN-004
DescriptionBackup Contoured NBR90 BS004 - 0.078 X 0.203 X 0.045"
ProfileBUN
Internal Diameter0.078
Outer Diameter0.203
Seal Height0.045
Max. Temp C110
Alt. Part No.R80004
BUN-005
Backup Contoured NBR90 BS005 - 0.094 X 0.219 X 0.045"
3,919
BUN-005 - Backup Contoured NBR90 BS005 - 0.094 X 0.219 X 0.045"
Product Information
Product CodeBUN-005
DescriptionBackup Contoured NBR90 BS005 - 0.094 X 0.219 X 0.045"
ProfileBUN
Internal Diameter0.094
Outer Diameter0.219
Seal Height0.045
Max. Temp C110
Alt. Part No.R80005
BUN-103
Backup Contoured NBR90 BS103 - 0.094 X 0.281 X 0.045"
-
Enquire
BUN-103 - Backup Contoured NBR90 BS103 - 0.094 X 0.281 X 0.045"
Product Information
Product CodeBUN-103
DescriptionBackup Contoured NBR90 BS103 - 0.094 X 0.281 X 0.045"
ProfileBUN
Internal Diameter0.094
Outer Diameter0.281
Seal Height0.045
Max. Temp C110
Alt. Part No.R80103
BUN-006
Backup Contoured NBR90 BS006 - 0.125 X 0.250 X 0.045"
857
BUN-006 - Backup Contoured NBR90 BS006 - 0.125 X 0.250 X 0.045"
Product Information
Product CodeBUN-006
DescriptionBackup Contoured NBR90 BS006 - 0.125 X 0.250 X 0.045"
ProfileBUN
Internal Diameter0.125
Outer Diameter0.250
Seal Height0.045
Max. Temp C110
Alt. Part No.R80006
BUN-104
Backup Contoured NBR90 BS104 - 0.125 X 0.312 X 0.045"
3,642
BUN-104 - Backup Contoured NBR90 BS104 - 0.125 X 0.312 X 0.045"
Product Information
Product CodeBUN-104
DescriptionBackup Contoured NBR90 BS104 - 0.125 X 0.312 X 0.045"
ProfileBUN
Internal Diameter0.125
Outer Diameter0.312
Seal Height0.045
Max. Temp C110
Alt. Part No.R80104
BUN-007
Backup Contoured NBR90 BS007 - 0.156 X 0.281 X 0.045"
590
BUN-007 - Backup Contoured NBR90 BS007 - 0.156 X 0.281 X 0.045"
Product Information
Product CodeBUN-007
DescriptionBackup Contoured NBR90 BS007 - 0.156 X 0.281 X 0.045"
ProfileBUN
Internal Diameter0.156
Outer Diameter0.281
Seal Height0.045
Max. Temp C110
Alt. Part No.R80007
BUN-105
Backup Contoured NBR90 BS105 - 0.156 X 0.344 X 0.045"
2,611
BUN-105 - Backup Contoured NBR90 BS105 - 0.156 X 0.344 X 0.045"
Product Information
Product CodeBUN-105
DescriptionBackup Contoured NBR90 BS105 - 0.156 X 0.344 X 0.045"
ProfileBUN
Internal Diameter0.156
Outer Diameter0.344
Seal Height0.045
Max. Temp C110
Alt. Part No.R80105
BUN-008
Backup Contoured NBR90 BS008 - 0.187 X 0.312 X 0.045"
0
BUN-008 - Backup Contoured NBR90 BS008 - 0.187 X 0.312 X 0.045"
Product Information
Product CodeBUN-008
DescriptionBackup Contoured NBR90 BS008 - 0.187 X 0.312 X 0.045"
ProfileBUN
Internal Diameter0.187
Outer Diameter0.312
Seal Height0.045
Max. Temp C110
Alt. Part No.R80008
BUN-106
Backup Contoured NBR90 BS106 - 0.187 X 0.375 X 0.045"
57
BUN-106 - Backup Contoured NBR90 BS106 - 0.187 X 0.375 X 0.045"
Product Information
Product CodeBUN-106
DescriptionBackup Contoured NBR90 BS106 - 0.187 X 0.375 X 0.045"
ProfileBUN
Internal Diameter0.187
Outer Diameter0.375
Seal Height0.045
Max. Temp C110
Alt. Part No.R80106
BUN-201
Backup Contoured NBR90 BS201 - 0.187 X 0.438 X 0.040"
12,536
BUN-201 - Backup Contoured NBR90 BS201 - 0.187 X 0.438 X 0.040"
Product Information
Product CodeBUN-201
DescriptionBackup Contoured NBR90 BS201 - 0.187 X 0.438 X 0.040"
ProfileBUN
Internal Diameter0.187
Outer Diameter0.438
Seal Height0.040
Max. Temp C110
Alt. Part No.R80201
BUN-009
Backup Contoured NBR90 BS009 - 0.219 X 0.344 X 0.045"
9,808
BUN-009 - Backup Contoured NBR90 BS009 - 0.219 X 0.344 X 0.045"
Product Information
Product CodeBUN-009
DescriptionBackup Contoured NBR90 BS009 - 0.219 X 0.344 X 0.045"
ProfileBUN
Internal Diameter0.219
Outer Diameter0.344
Seal Height0.045
Max. Temp C110
Alt. Part No.R80009
BUN-107
Backup Contoured NBR90 BS107 - 0.219 X 0.406 X 0.045"
50
BUN-107 - Backup Contoured NBR90 BS107 - 0.219 X 0.406 X 0.045"
Product Information
Product CodeBUN-107
DescriptionBackup Contoured NBR90 BS107 - 0.219 X 0.406 X 0.045"
ProfileBUN
Internal Diameter0.219
Outer Diameter0.406
Seal Height0.045
Max. Temp C110
Alt. Part No.R80107
BUN-010
Backup Contoured NBR90 BS010 - 0.250 X 0.375 X 0.045"
7,771
BUN-010 - Backup Contoured NBR90 BS010 - 0.250 X 0.375 X 0.045"
Product Information
Product CodeBUN-010
DescriptionBackup Contoured NBR90 BS010 - 0.250 X 0.375 X 0.045"
ProfileBUN
Internal Diameter0.250
Outer Diameter0.375
Seal Height0.045
Max. Temp C110
Alt. Part No.R80010
BUN-108
Backup Contoured NBR90 BS108 - 0.250 X 0.438 X 0.045"
185
BUN-108 - Backup Contoured NBR90 BS108 - 0.250 X 0.438 X 0.045"
Product Information
Product CodeBUN-108
DescriptionBackup Contoured NBR90 BS108 - 0.250 X 0.438 X 0.045"
ProfileBUN
Internal Diameter0.250
Outer Diameter0.438
Seal Height0.045
Max. Temp C110
Alt. Part No.R80108
BUN-202
Backup Contoured NBR90 BS202 - 0.250 X 0.500 X 0.040"
6,510
BUN-202 - Backup Contoured NBR90 BS202 - 0.250 X 0.500 X 0.040"
Product Information
Product CodeBUN-202
DescriptionBackup Contoured NBR90 BS202 - 0.250 X 0.500 X 0.040"
ProfileBUN
Internal Diameter0.250
Outer Diameter0.500
Seal Height0.040
Max. Temp C110
Alt. Part No.R80202
BUN-011
Backup Contoured NBR90 BS011 - 0.312 X 0.437 X 0.045"
4,192
BUN-011 - Backup Contoured NBR90 BS011 - 0.312 X 0.437 X 0.045"
Product Information
Product CodeBUN-011
DescriptionBackup Contoured NBR90 BS011 - 0.312 X 0.437 X 0.045"
ProfileBUN
Internal Diameter0.312
Outer Diameter0.437
Seal Height0.045
Max. Temp C110
Alt. Part No.R80011
BUN-109
Backup Contoured NBR90 BS109 - 0.312 X 0.500 X 0.045"
22
BUN-109 - Backup Contoured NBR90 BS109 - 0.312 X 0.500 X 0.045"
Product Information
Product CodeBUN-109
DescriptionBackup Contoured NBR90 BS109 - 0.312 X 0.500 X 0.045"
ProfileBUN
Internal Diameter0.312
Outer Diameter0.500
Seal Height0.045
Max. Temp C110
Alt. Part No.R80109
BUN-203
Backup Contoured NBR90 BS203 - 0.312 X 0.562 X 0.040"
1,100
BUN-203 - Backup Contoured NBR90 BS203 - 0.312 X 0.562 X 0.040"
Product Information
Product CodeBUN-203
DescriptionBackup Contoured NBR90 BS203 - 0.312 X 0.562 X 0.040"
ProfileBUN
Internal Diameter0.312
Outer Diameter0.562
Seal Height0.040
Max. Temp C110
Alt. Part No.R80203
BUN-012
Backup Contoured NBR90 BS012 - 0.375 X 0.500 X 0.045"
4,751
BUN-012 - Backup Contoured NBR90 BS012 - 0.375 X 0.500 X 0.045"
Product Information
Product CodeBUN-012
DescriptionBackup Contoured NBR90 BS012 - 0.375 X 0.500 X 0.045"
ProfileBUN
Internal Diameter0.375
Outer Diameter0.500
Seal Height0.045
Max. Temp C110
Alt. Part No.R80012
BUN-110
Backup Contoured NBR90 BS110 - 0.375 X 0.563 X 0.045"
779
BUN-110 - Backup Contoured NBR90 BS110 - 0.375 X 0.563 X 0.045"
Product Information
Product CodeBUN-110
DescriptionBackup Contoured NBR90 BS110 - 0.375 X 0.563 X 0.045"
ProfileBUN
Internal Diameter0.375
Outer Diameter0.563
Seal Height0.045
Max. Temp C110
Alt. Part No.R80110
 
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