Not sure what seal you need? Try our Seal filter & Finder
BUH
Design
    • Provides ultimate extrusion resistance to a paired oring or seal to drastically increase pressure handling capabilities.
    • Can be used as a backup to a hydraulic seal or an oring.
Material
    • 55 D Hytrel
Application
    • Suitable for static and dynamic applications.
    • Suitable for high pressure and heavy duty applications where additional resistance to extrusion is required.
Fluids
    • Nearly universal chemical resistance to acids, bases, alcohols and oils and all pressure fluids used in hydraulics
      Resistant to high and extremely low temperatures

Filter

    ​
​
 
Page of  
Product Code
Description
Availability
Qty
BUSM115130-030N
115.00 x 130.00 x 3.00mm BACKUP RING NYLON
9
BUSM115130-030N - 115.00 x 130.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM115130-030N
Description115.00 x 130.00 x 3.00mm BACKUP RING NYLON
Internal Diameter115.00
Outer Diameter130.00
Seal Height3.00
BUSM115135-030N
115.00 x 135.00 x 3.00mm BACKUP RING NYLON
6
BUSM115135-030N - 115.00 x 135.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM115135-030N
Description115.00 x 135.00 x 3.00mm BACKUP RING NYLON
Internal Diameter115.00
Outer Diameter135.00
Seal Height3.00
BUHM-G120
Backup Hytrel G120 - 120.00 X 125.00 X 1.20mm
-
Enquire
BUHM-G120 - Backup Hytrel G120 - 120.00 X 125.00 X 1.20mm
Product Information
Product CodeBUHM-G120
DescriptionBackup Hytrel G120 - 120.00 X 125.00 X 1.20mm
ProfileBUH
Internal Diameter120.00
Outer Diameter125.00
Seal Height1.20
Max. Temp C135
Alt. Part No.RBP141
BUHM-P120
Backup Hytrel P120 - 120.00 X 130.00 X 1.90mm
0
BUHM-P120 - Backup Hytrel P120 - 120.00 X 130.00 X 1.90mm
Product Information
Product CodeBUHM-P120
DescriptionBackup Hytrel P120 - 120.00 X 130.00 X 1.90mm
ProfileBUH
Internal Diameter120.00
Outer Diameter130.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP073
BUSM120135-030N
120.00 x 135.00 x 3.00mm BACKUP RING NYLON
10
BUSM120135-030N - 120.00 x 135.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM120135-030N
Description120.00 x 135.00 x 3.00mm BACKUP RING NYLON
Internal Diameter120.00
Outer Diameter135.00
Seal Height3.00
BUSM120140-030N
120.00 x 140.00 x 3.00mm BACKUP RING NYLON
0
BUSM120140-030N - 120.00 x 140.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM120140-030N
Description120.00 x 140.00 x 3.00mm BACKUP RING NYLON
Internal Diameter120.00
Outer Diameter140.00
Seal Height3.00
BUHM-G125
Backup Hytrel G125 - 125.00 X 130.00 X 1.20mm
-
Enquire
BUHM-G125 - Backup Hytrel G125 - 125.00 X 130.00 X 1.20mm
Product Information
Product CodeBUHM-G125
DescriptionBackup Hytrel G125 - 125.00 X 130.00 X 1.20mm
ProfileBUH
Internal Diameter125.00
Outer Diameter130.00
Seal Height1.20
Max. Temp C135
Alt. Part No.RBP142
BUSM125140-030N
125.00 x 140.00 x 3.00mm BACKUP RING NYLON LT2042 R55291
6
BUSM125140-030N - 125.00 x 140.00 x 3.00mm BACKUP RING NYLON LT2042 R55291
Product Information
Product CodeBUSM125140-030N
Description125.00 x 140.00 x 3.00mm BACKUP RING NYLON LT2042 R55291
Internal Diameter125.00
Outer Diameter140.00
Seal Height3.00
BUSM125145-030N
125.00 x 145.00 x 3.00mm BACKUP RING NYLON
0
BUSM125145-030N - 125.00 x 145.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM125145-030N
Description125.00 x 145.00 x 3.00mm BACKUP RING NYLON
Internal Diameter125.00
Outer Diameter145.00
Seal Height3.00
BUHM-P130
Backup Hytrel P130 - 130.00 X 140.00 X 1.90mm
5
BUHM-P130 - Backup Hytrel P130 - 130.00 X 140.00 X 1.90mm
Product Information
Product CodeBUHM-P130
DescriptionBackup Hytrel P130 - 130.00 X 140.00 X 1.90mm
ProfileBUH
Internal Diameter130.00
Outer Diameter140.00
Seal Height1.90
Max. Temp C135
BUSM130145-030N
130.00 x 145.00 x 3.00mm BACKUP RING NYLON
18
BUSM130145-030N - 130.00 x 145.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM130145-030N
Description130.00 x 145.00 x 3.00mm BACKUP RING NYLON
Internal Diameter130.00
Outer Diameter145.00
Seal Height3.00
BUSM130150-030N
130.00 x 150.00 x 3.00mm BACKUP RING NYLON
21
BUSM130150-030N - 130.00 x 150.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM130150-030N
Description130.00 x 150.00 x 3.00mm BACKUP RING NYLON
Internal Diameter130.00
Outer Diameter150.00
Seal Height3.00
BUHM-P132
Backup Hytrel P132 - 132.00 X 142.00 X 1.90mm
-
Enquire
BUHM-P132 - Backup Hytrel P132 - 132.00 X 142.00 X 1.90mm
Product Information
Product CodeBUHM-P132
DescriptionBackup Hytrel P132 - 132.00 X 142.00 X 1.90mm
ProfileBUH
Internal Diameter132.00
Outer Diameter142.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP238
BUHM-G135
Backup Hytrel G135 - 135.00 X 140.00 X 1.20mm
-
Enquire
BUHM-G135 - Backup Hytrel G135 - 135.00 X 140.00 X 1.20mm
Product Information
Product CodeBUHM-G135
DescriptionBackup Hytrel G135 - 135.00 X 140.00 X 1.20mm
ProfileBUH
Internal Diameter135.00
Outer Diameter140.00
Seal Height1.20
Max. Temp C135
Alt. Part No.RBP076
BUHM-P140
Backup Hytrel P140 - 140.00 X 150.00 X 1.90mm
-
Enquire
BUHM-P140 - Backup Hytrel P140 - 140.00 X 150.00 X 1.90mm
Product Information
Product CodeBUHM-P140
DescriptionBackup Hytrel P140 - 140.00 X 150.00 X 1.90mm
ProfileBUH
Internal Diameter140.00
Outer Diameter150.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP078
BUSM140160-030N
140.00 x 160.00 x 3.00mm BACKUP RING NYLON LT2348
14
BUSM140160-030N - 140.00 x 160.00 x 3.00mm BACKUP RING NYLON LT2348
Product Information
Product CodeBUSM140160-030N
Description140.00 x 160.00 x 3.00mm BACKUP RING NYLON LT2348
Internal Diameter140.00
Outer Diameter160.00
Seal Height3.00
BUHM-P150A
Backup Hytrel P150 - 150.00 X 165.00 X 2.70mm
-
Enquire
BUHM-P150A - Backup Hytrel P150 - 150.00 X 165.00 X 2.70mm
Product Information
Product CodeBUHM-P150A
DescriptionBackup Hytrel P150 - 150.00 X 165.00 X 2.70mm
ProfileBUH
Internal Diameter150.00
Outer Diameter165.00
Seal Height2.70
Max. Temp C135
Alt. Part No.RBP239
BUSM150170-030N
150.00 x 170.00 x 3.00mm BACKUP RING NYLON
12
BUSM150170-030N - 150.00 x 170.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM150170-030N
Description150.00 x 170.00 x 3.00mm BACKUP RING NYLON
Internal Diameter150.00
Outer Diameter170.00
Seal Height3.00
BUHM-G155
Backup Hytrel G155 - 155.00 X 165.00 X 1.90mm
18
BUHM-G155 - Backup Hytrel G155 - 155.00 X 165.00 X 1.90mm
Product Information
Product CodeBUHM-G155
DescriptionBackup Hytrel G155 - 155.00 X 165.00 X 1.90mm
ProfileBUH
Internal Diameter155.00
Outer Diameter165.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP148
BUHM-G160
Backup Hytrel G160 - 160.00 X 170.00 X 1.90mm
-
Enquire
BUHM-G160 - Backup Hytrel G160 - 160.00 X 170.00 X 1.90mm
Product Information
Product CodeBUHM-G160
DescriptionBackup Hytrel G160 - 160.00 X 170.00 X 1.90mm
ProfileBUH
Internal Diameter160.00
Outer Diameter170.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP301
BUHM-P160
Backup Hytrel P160 - 160.00 X 175.00 X 2.70mm
-
Enquire
BUHM-P160 - Backup Hytrel P160 - 160.00 X 175.00 X 2.70mm
Product Information
Product CodeBUHM-P160
DescriptionBackup Hytrel P160 - 160.00 X 175.00 X 2.70mm
ProfileBUH
Internal Diameter160.00
Outer Diameter175.00
Seal Height2.70
Max. Temp C135
Alt. Part No.RBP240
BUSM160180-030N
160.00 x 180.00 x 3.00mm BACKUP RING NYLON
24
BUSM160180-030N - 160.00 x 180.00 x 3.00mm BACKUP RING NYLON
Product Information
Product CodeBUSM160180-030N
Description160.00 x 180.00 x 3.00mm BACKUP RING NYLON
Internal Diameter160.00
Outer Diameter180.00
Seal Height3.00
BUHM-G165
Backup Hytrel G165 - 165.00 X 175.40 X 1.90mm
-
Enquire
BUHM-G165 - Backup Hytrel G165 - 165.00 X 175.40 X 1.90mm
Product Information
Product CodeBUHM-G165
DescriptionBackup Hytrel G165 - 165.00 X 175.40 X 1.90mm
ProfileBUH
Internal Diameter165.00
Outer Diameter175.40
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP302
BUHM-G170
Backup Hytrel G170 - 170.00 X 180.00 X 1.90mm
192
BUHM-G170 - Backup Hytrel G170 - 170.00 X 180.00 X 1.90mm
Product Information
Product CodeBUHM-G170
DescriptionBackup Hytrel G170 - 170.00 X 180.00 X 1.90mm
ProfileBUH
Internal Diameter170.00
Outer Diameter180.00
Seal Height1.90
Max. Temp C135
Alt. Part No.RBP151
 
Page of