112-4719 23.50 mm ID Support Ring
Cat® 28 mm OD backup ring, used as a seal in high-pressure hydraulic cylinder systems
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Description
Backup rings can prevent seal extrusion in high-pressure applications and can also be used to protect the life of the overall sealing system under sudden pressure changes.
Features
- Material: Steel
- Outside Diameter: 28 mm (1.1 in)
- Inside Diameter: 23.5 mm (0.93 in)
- Thickness: 1.4 mm (0.06 in)
Applications
Backup rings are used in high-pressure static and dynamic sealing applications, such as hydraulic pumps, valves, and engine systems. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material Description | Steel |
|---|---|
| Outside Diameter | 28 mm (1.1 in) |
| Inside Diameter | 23.5 mm (0.93 in) |
| Thickness | 1.4 mm (0.06 in) |
Compatible Equipment
- Cold Planers: PL72, PM622, PM620, PL83, PL87
- Wheel Excavators: M315D, M317D2, M315, M322D, M313D, M320, M320D2, M315D2
- Compactors: CB2.5 GC, CB2.7 GC, CS12, CP12 GC, CB-36B, CC-34B, CB2.7, CB2.5, CB-24B, CB2.9, CB-34B, CS-54, CS68B, CB-564D, CP56B, CS-56, CS56B, CB-534D, CS-563E, CS-583D, CS78B, CP11 GC, CC2.7 GC, CS74B, CS79B, CB-434D, CS12 GC, CB10, CS-533E
- Dozers: D3K2 LGP, D4, D6N, D5K2 XL, D6K2
- Excavators: 3508B
- Wheel Loaders: RM500B
- Asphalt Pavers: AP355F, AP300F
- Skid Steer Loaders: 216B3, 226B3, 236B3, 226B
Additional information
| Machine Model | 216B3, 226B, 226B3, 236B3, 3508B, AP300F, AP355F, CB-24B, CB-34B, CB-36B, CB-434D, CB-534D, CB-564D, CB10, CB2.5, CB2.5 GC, CB2.7, CB2.7 GC, CB2.9, CC-34B, CC2.7 GC, CP11 GC, CP12 GC, CP56B, CS-533E, CS-54, CS-56, CS-563E, CS-583D, CS12, CS12 GC, CS56B, CS68B, CS74B, CS78B, CS79B, D3K2 LGP, D4, D5K2 XL, D6K2, D6N, M313D, M315, M315D, M315D2, M317D2, M320, M320D2, M322D, PL72, PL83, PL87, PM620, PM622, RM500B |
|---|---|
| Equipment Type | Excavators, Wheel Excavators, Wheel Loaders, Skid Steer Loaders, Dozers, Compactors, Asphalt Pavers, Cold Planers |
| Part Source | Genuine OEM |








