Description: Backup Rings prevent seal extrusion in high pressure applications, and may be used to protect the life of overall sealing system from pressure surges.
Attributes: Cat® Backup Rings are designed in conjunction with the elastomeric seal and mating components, and contribute significantly to the life and performance of the sealing system in high pressure applications.
Backup ring dimensions are consistently held to tight tolerances to ensure they properly bridge the seal groove and the mating surface. Materials are selected for their pressure and abrasion resistance.
Backup rings may be solid or split. Split rings are used for ease of assembly.
Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.
Applications: Backup rings are used in high pressure static and dynamic sealing applications, such as hydraulic pumps, valves and engine systems.
Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Description: Backup Rings prevent seal extrusion in high pressure applications, and may be used to protect the life of overall sealing system from pressure surges.
Attributes: Cat® Backup Rings are designed in conjunction with the elastomeric seal and mating components, and contribute significantly to the life and performance of the sealing system in high pressure applications.
Backup ring dimensions are consistently held to tight tolerances to ensure they properly bridge the seal groove and the mating surface. Materials are selected for their pressure and abrasion resistance.
Backup rings may be solid or split. Split rings are used for ease of assembly.
Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.
Applications: Backup rings are used in high pressure static and dynamic sealing applications, such as hydraulic pumps, valves and engine systems.
Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
Material Description: Nylon Plastic provides good resistance to fuels, oils and lubricants. Many different formulations are used, some of which can support high mechanical loads, and perform well at elevated temperatures.
Cross Section Width (in): 0.07
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Material Description: Nylon Plastic provides good resistance to fuels, oils and lubricants. Many different formulations are used, some of which can support high mechanical loads, and perform well at elevated temperatures.
Cross Section Width (in): 0.07
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
330-A352F340F548322B L330 L345B II345B L325D FM345D L349F L330-A L349F LXE349D L330D MH325D FM LL325B L330-A L340F L LRE349D2 L349D2352352F-VG558330C L340D2 L568 FM LL336D L568 FM345C L349E L350-A350-A L345B II MH330C FM330C345D L VG336D LN340D L330C MH345C MH349E L VG349D352F XE VG330B L350 L330D L330D FM349E345B349F345C345D
Mobile Hyd Power Unit
349E L HVG345C336F340D2 L336E336D L352FMHPU345C L
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Rotary Drill
MD6250
Warranty Information
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Parts diagram for 7Y-1884
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Parts diagram for 7Y-1884
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Description for part number 7Y-1884
Description: Backup Rings prevent seal extrusion in high pressure applications, and may be used to protect the life of overall sealing system from pressure surges.
Attributes: Cat® Backup Rings are designed in conjunction with the elastomeric seal and mating components, and contribute significantly to the life and performance of the sealing system in high pressure applications.
Backup ring dimensions are consistently held to tight tolerances to ensure they properly bridge the seal groove and the mating surface. Materials are selected for their pressure and abrasion resistance.
Backup rings may be solid or split. Split rings are used for ease of assembly.
Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.
Applications: Backup rings are used in high pressure static and dynamic sealing applications, such as hydraulic pumps, valves and engine systems.
View More
Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 7Y-1884
Units of Measure
USMetric
Material Description: Nylon Plastic provides good resistance to fuels, oils and lubricants. Many different formulations are used, some of which can support high mechanical loads, and perform well at elevated temperatures.
Cross Section Width (in): 0.07
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
330-A 352F 340F 548 322B L 330 L 345B II 345B L 325D FM 345D L 349F L 330-A L 349F LXE 349D L 330D MH 325D FM LL 325B L 330-A L 340F L LRE 349D2 L 349D2 352 352F-VG 558 330C L 340D2 L 568 FM LL 336D L 568 FM 345C L 349E L 350-A 350-A L 345B II MH 330C FM 330C 345D L VG 336D LN 340D L 330C MH 345C MH 349E L VG 349D 352F XE VG 330B L 350 L 330D L 330D FM 349E 345B 349F 345C 345D
MOBILE HYD POWER UNIT
349E L HVG 345C 336F 340D2 L 336E 336D L 352FMHPU 345C L
View More
KeyKey
Factory Fit
This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
Remanufactured
Non-Returnable
Kit
Replaced
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