51533115 / 515 331 15 LINER CAP INGERSOLL RAND

Precision Liner Support Component for Rock Drill and Drifter Assemblies

The 51533115 LINER CAP INGERSOLL RAND (also searched as 515 331 15 LINER CAP) is a high-precision structural wear component used inside hydraulic and pneumatic rock drilling systems manufactured by Ingersoll Rand.

This liner cap plays a critical role in stabilizing the internal liner, maintaining axial alignment of moving parts, and protecting surrounding assemblies from impact shock and friction generated during continuous drilling cycles.

At 3GEN Export, we supply this part as an OEM-grade replacement, engineered to match operational geometry and performance standards. We are not an original brand distributor. We operate strictly as an OEM supplier and deliver worldwide in 5 working days.

Product Overview

In demanding applications such as mining, tunneling, quarrying, and foundation drilling, internal alignment components determine how efficiently energy transfers from piston to tool. The 51533115 / 515 331 15 LINER CAP INGERSOLL RAND is designed to support the liner and provide a controlled interface between the liner and housing.

By maintaining correct positioning under extreme vibration and cyclic load, this liner cap helps preserve:

• Consistent impact energy

• Stable piston travel

• Reduced internal scoring

• Extended service life of adjacent parts

Even small dimensional deviations in this component can lead to premature liner wear, piston instability, and loss of drilling efficiency.

What the 51533115 Liner Cap Does

Inside INGERSOLL RAND rock drills and drifters, the liner cap performs several mechanical functions simultaneously:

• Locks the liner in its correct axial position

• Absorbs radial vibration transferred from percussion cycles

• Provides a hardened seating surface for the liner

• Supports internal lubrication flow via side porting

• Reduces metal-to-metal contact between major assemblies

Because it operates in the direct impact zone, this part must withstand repetitive shock loads while maintaining tight tolerances.

Construction and Material Engineering

The 51533115 LINER CAP INGERSOLL RAND is manufactured from high-strength alloy steel with an integrated bronze inner sleeve. This dual-material design combines structural rigidity with low-friction guidance.

Key engineering features include:

• CNC-machined outer body for perfect housing fit

• Bronze-lined internal bore for smooth liner movement

• Precision lubrication port for oil distribution

• Reinforced flange to absorb axial loads

• Industrial anti-corrosion surface treatment

These characteristics allow the liner cap to perform reliably in abrasive, high-temperature drilling environments.

Typical Technical Specifications

(Values may vary slightly by production batch)

Product Name
51533115 / 515 331 15 LINER CAP INGERSOLL RAND

Component Type
Internal liner support cap

Material
Hardened alloy steel body with bronze inner sleeve

Surface Finish
Anti-corrosion industrial coating

Function
Liner positioning and vibration control

Application Area
Rock drill and hydraulic drifter assemblies

Approximate Weight
2.4 kg

If dimensional drawings or tolerance data are required, 3GEN Export can provide technical confirmation before shipment.

Compatible INGERSOLL RAND Models

The 51533115 LINER CAP INGERSOLL RAND is commonly used across multiple INGERSOLL RAND drilling platforms, including:

YH65, YH70, YH80

• HL series hydraulic drifters

• HD series rock drills

• Underground drilling rigs with IR percussion modules

• Surface drill rigs using INGERSOLL RAND liner systems

• Pneumatic hammer assemblies with internal liner housings

Because configurations vary by machine generation and region, we recommend confirming compatibility using your machine serial number. Our technical team can assist with cross-referencing.

Why Liner Cap Quality Is Critical

This component directly influences:

• Liner stability

• Piston alignment

• Internal wear patterns

• Shock distribution

• Overall drilling efficiency

Low-quality liner caps often cause:

• Oval liner deformation

• Uneven piston travel

• Increased vibration

• Premature liner cracking

• Secondary damage to housings

Using an OEM-grade 51533115 / 515 331 15 LINER CAP INGERSOLL RAND helps protect the entire percussion system.

OEM Supply by 3GEN Export

3GEN Export specializes in OEM-standard heavy machinery spare parts for global industrial markets.

Every liner cap we supply undergoes:

• Dimensional verification

• Bore concentricity inspection

• Material integrity checks

• Final quality control prior to dispatch

We position ourselves strictly as an OEM supplier, offering consistent manufacturing quality and rapid worldwide logistics.

All orders ship globally within 5 working days.

Installation Recommendations

Professional installation is strongly advised.

General guidelines:

• Clean liner housing thoroughly before assembly

• Inspect mating surfaces for scoring

• Lightly lubricate bronze bore prior to insertion

• Ensure lubrication port alignment

• Tighten housing fasteners to specified torque

• Perform operational testing after installation

Replacing liner caps during scheduled maintenance helps prevent costly internal damage.

Operational Applications

The 51533115 LINER CAP INGERSOLL RAND is used in:

• Underground mining

• Quarry drilling

• Tunnel excavation

• Foundation piling

• Road construction blasting

• Geotechnical exploration

Any operation running INGERSOLL RAND percussion systems depends on this component for internal stability.

Summary

The 51533115 / 515 331 15 LINER CAP INGERSOLL RAND is a core structural element that stabilizes the liner, absorbs vibration, and supports consistent piston motion. Manufactured from hardened alloy steel with a bronze inner sleeve, this OEM-grade replacement is engineered for extreme drilling environments.

Supplied by 3GEN Export, this part is available with worldwide delivery in just 5 working days, helping minimize downtime and protect your drilling investment.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.