RING BACK UP (KU-RG10889070)

Title:

RING BACK UP (KU-RG10889070)

 

Description:

The RING BACK UP (KU-RG10889070) supports sealing components in Kubota hydraulic systems and prevents O-rings from extruding under high pressure. It sits alongside a primary seal and reinforces it, which helps maintain system integrity and prevents leaks.

Kubota engineers design this ring to handle demanding hydraulic conditions, so it improves sealing performance and extends the lifespan of associated components.

Model Fitment

KX015-4

• (S/N 50001–69999) – Rotary Joint (S04800)

• (S/N 70001– ) – Rotary Joint (C50000)

KX016-4

• (S/N 50001–69999) – Rotary Joint (S04800)

• (S/N 70001– ) – Rotary Joint (C50000)

KX018-4

• (S/N 50001–69999) – Rotary Joint (S04800)

• (S/N 70001– ) – Rotary Joint (C50000)

KX019-4

• LPG – Rotary Joint (C50000)

• (S/N 50001–69999) – Rotary Joint (S04800)

• (S/N 70001– ) – Rotary Joint (C50000)

KX36-3

• Rotary Joint (S04500)

KX41-3S(V)

• Rotary Joint (STD, S045-1)

• Rotary Joint (VAR., S045-2)

 

Part Details

• Type: Backup ring (seal support ring)
• Function: Prevents seal extrusion and maintains pressure integrity
• Material: High-strength polymer or composite (pressure-resistant)
• Application: Hydraulic cylinders, valve assemblies, and control systems
• Installation: Installed alongside O-rings within seal grooves
• OEM: Genuine Kubota specification

Backup rings work in combination with O-rings to:

• Improve sealing reliability
• Handle higher pressures
• Reduce wear and deformation