Product Overview

The Ingersoll Rand 38034914 Motor Bearing Grease is a maintenance lubricant intended for compatible electric motor bearing applications. Proper bearing lubrication is essential for reducing friction between moving surfaces, limiting wear, and supporting reliable operation of rotating equipment.

Electric motors are widely used in industrial air compressors, pumps, fans, conveyors, and manufacturing machinery. Their bearings support rotating shafts and help maintain alignment during operation. Without suitable lubrication, bearing surfaces may experience increased friction, heat generation, and premature wear.

The 38034914 product is identified in supplier listings as Ingersoll Rand motor bearing grease. Product descriptions associate this part number with POLYREX EM motor-bearing grease in a 13.7 oz tube. The exact lubricant specification, packaging, and equipment compatibility should always be confirmed from the product label and the maintenance documentation for the motor.

This lubricant is intended for maintenance work rather than as a replacement for mechanical components. It may be used during scheduled bearing lubrication or approved servicing procedures where the specified grease is required.

The supplied listing identifies the product with the reference numbers 47629379001 and 38034914. Because catalog references can vary across equipment and parts databases, buyers should verify both numbers against the original package, equipment parts list, or supplier documentation before ordering.

Technical Specifications

Note: The dimensions and weight are supplied listing values. Confirm the actual package dimensions, net grease quantity, and shipping weight before publishing final logistics information.

Function and Working Principle

Motor bearing grease creates a lubricating film between moving bearing surfaces. This film helps reduce direct metal-to-metal contact and supports smoother mechanical movement.

1. Friction Reduction

Bearings contain rolling or sliding contact surfaces that move relative to one another. Without adequate lubrication, friction can increase and contribute to wear.

Suitable grease forms a lubricating layer that helps separate these surfaces. This reduces friction and supports stable bearing operation under the conditions specified by the motor manufacturer.

2. Wear Protection

Bearing surfaces are exposed to repeated mechanical contact during motor operation. Proper lubrication helps limit surface damage caused by friction and contact stress.

Using the correct grease at the recommended interval can support longer bearing service life. However, grease selection must match the bearing design, operating temperature, speed, and load.

3. Heat Management

Bearing friction generates heat. Suitable lubrication helps reduce friction-related heat generation and supports normal bearing operating temperatures.

Grease is not a substitute for adequate motor cooling. If a bearing becomes excessively hot, maintenance personnel should investigate possible causes such as incorrect lubrication, excessive load, misalignment, contamination, or bearing damage.

4. Contamination Protection

Grease can help protect bearing surfaces by maintaining a lubricating layer and providing a degree of separation from external contaminants.

The level of protection depends on the bearing arrangement, sealing system, grease properties, and operating environment. Grease cannot compensate for damaged seals or heavily contaminated equipment.

5. Lubrication Stability

The lubricant must remain suitable for the bearing’s operating conditions. Temperature, rotational speed, mechanical load, and exposure to moisture can all influence grease performance.

Using a lubricant with the wrong properties may cause poor lubrication, excessive churning, compatibility problems, or premature bearing failure.

Role in Industrial Equipment Maintenance

The Ingersoll Rand 38034914 Motor Bearing Grease is a maintenance consumable rather than an electrical or mechanical control component. Its role is to support the lubrication requirements of compatible motor bearings.

Electric Motor Maintenance

Electric motors rely on properly lubricated bearings to support shaft rotation. During scheduled servicing, maintenance personnel may inspect bearing condition and replenish or replace grease according to the motor manufacturer’s instructions.

The correct grease quantity is important. Both insufficient lubrication and excessive grease filling can contribute to operating problems.

Air Compressor Maintenance

Industrial air compressors use electric motors to drive compressor assemblies. Motor bearings must operate reliably under continuous or intermittent duty cycles.

Where the motor documentation specifies the applicable lubricant, using the correct product can support the maintenance program and reduce the risk of lubrication-related damage.

The grease should be applied to the motor bearings, not automatically to the compressor’s airend, gearbox, or other lubricated assemblies. Different components may require different lubricant types.

Preventive Maintenance Programs

Preventive maintenance schedules often include bearing inspection, lubrication checks, vibration monitoring, and temperature monitoring.

Using the specified lubricant helps keep maintenance procedures consistent. Maintenance records should identify the product number, quantity applied, service date, and the equipment serviced.

Spare Parts Management

Grease is a consumable that may need to be stocked alongside bearings, filters, seals, and other maintenance materials.

Keeping the correct part number available can help maintenance teams complete scheduled servicing without substituting an unverified lubricant.

Industrial Applications

The product is intended for compatible motor-bearing lubrication applications. Its suitability must be confirmed against the equipment manufacturer’s lubricant requirements.

1. Industrial Electric Motors

Electric motors are used throughout manufacturing facilities to drive pumps, fans, conveyors, mixers, and other machinery.

Where the motor manufacturer specifies 38034914 or confirms compatibility with the identified grease, it may be used during the prescribed bearing lubrication procedure.

2. Air Compressor Motor Assemblies

Air compressor installations often operate for extended periods and may experience changing load conditions. Reliable motor-bearing lubrication is important for supporting continuous operation.

The lubricant should only be applied to the designated motor bearing points. Compressor airend lubrication and other oil systems must follow their own specifications.

3. Pumping Equipment

Electric motors used in industrial pumping systems require bearing support for stable shaft rotation. Correct lubrication can help reduce friction and wear during normal operation.

The motor and pump manufacturers’ instructions should be checked because the bearing design and lubrication arrangement may differ between equipment models.

4. Fan and Blower Motors

Fans and blowers are frequently used in ventilation, cooling, and process-air systems. Their motors may operate for long periods, making bearing condition an important maintenance consideration.

Lubrication intervals should be based on the motor manufacturer’s guidance and actual operating conditions.

5. Manufacturing Machinery

Production equipment may contain multiple electric motors operating at different speeds and loads. A controlled lubrication program helps maintenance teams manage bearing condition across the facility.

Before applying the grease, confirm that the motor’s bearing specification permits the product.

Installation and Lubrication Procedure

Grease application should follow the motor manufacturer’s maintenance instructions. The following steps provide a general maintenance framework and do not replace equipment-specific procedures.

1. Identify the Correct Bearing

Confirm the motor model, bearing type, and lubrication requirements. Check the motor nameplate, bearing information, and maintenance manual.

Do not assume that all bearings in the same facility use the same grease.

2. Verify Lubricant Compatibility

Check the product label and technical documentation to confirm the grease type. If changing from another grease, verify compatibility before mixing products.

Different thickener systems and base oils may be incompatible. When compatibility is uncertain, follow the manufacturer’s approved cleaning and relubrication procedure.

3. Isolate the Motor

Before servicing, stop the equipment, isolate the electrical supply, and follow the facility’s lockout/tagout procedure.

Verify that the motor cannot start unexpectedly. Allow hot components to cool to a safe maintenance temperature.

4. Clean the Lubrication Point

Remove dirt and contamination from the grease fitting and surrounding area before connecting the grease gun.

Cleanliness is important because contaminants introduced during lubrication can damage bearing surfaces.

5. Apply the Correct Quantity

Apply only the quantity specified by the motor manufacturer. Do not fill a bearing housing simply because additional grease is available.

Excessive grease can increase internal friction and temperature, while insufficient grease may leave bearing surfaces inadequately protected.

6. Complete the Maintenance Record

Record the product number, amount applied, date, motor identification, and any observed abnormal conditions.

If the bearing shows unusual noise, vibration, leakage, or temperature rise, investigate the cause rather than relying on additional grease as a corrective measure.

Compatible Equipment and Maintenance Components

The grease may form part of a broader motor and compressor maintenance program. Compatibility should be confirmed for each application.

The components listed above are examples of equipment used in maintenance procedures. They are not necessarily supplied with the grease.

Alternative Models and Replacement Considerations

Lubricants should not be substituted solely because they have similar packaging or are marketed for motor bearings. The correct replacement must meet the bearing manufacturer’s requirements.

Before selecting an alternative, compare:

• Grease thickener type.
• Base oil type and viscosity.
• NLGI consistency grade.
• Operating temperature range.
• Bearing speed and mechanical load.
• Water resistance and environmental exposure.
• Compatibility with existing grease.
• Motor manufacturer’s approval.
• Required application quantity and relubrication interval.

Mixing incompatible greases can cause changes in consistency and lubrication performance. If the existing lubricant is unknown, obtain technical guidance before introducing a different product.

Key Advantages

Supports Bearing Lubrication

The product is intended for motor-bearing maintenance where the specified lubricant is compatible with the equipment.

Helps Reduce Friction

A suitable grease film helps reduce friction between moving bearing surfaces during operation.

Supports Wear Control

Correct lubrication can help reduce bearing surface wear and support reliable rotating equipment operation.

Suitable for Maintenance Programs

The product can be included in planned motor maintenance activities where the equipment documentation identifies it as an approved lubricant.

Convenient Tube Packaging

The supplier-listed 13.7 oz tube format provides a practical package for controlled maintenance work. Confirm the actual package supplied before ordering.

Supports Equipment Reliability

Correct lubricant selection and application are important parts of a broader bearing maintenance strategy that includes inspection, vibration monitoring, and temperature checks.

Technical FAQs

1. What is Ingersoll Rand 38034914?

It is an Ingersoll Rand motor bearing grease product identified for compatible electric motor bearing lubrication applications.

2. What is the relationship between 47629379001 and 38034914?

The supplied product listing associates these two references. However, catalog databases may use different numbering conventions, so confirm the relationship against the package label or equipment parts documentation before ordering.

3. What type of grease is 38034914?

Supplier listings identify 38034914 as POLYREX EM motor bearing grease. Confirm the exact formulation and product identity from the current package and technical documentation.

4. What is the package size?

Supplier descriptions identify the product as a 13.7 oz tube. The actual net quantity and packaging should be verified with the seller before purchase.

5. Can this grease be used on every electric motor?

No. Motor bearings can have different lubrication requirements. Always follow the motor manufacturer’s approved grease specification.

6. Can it be used in an air compressor?

It may be suitable for compatible electric motor bearings in compressor installations. It should not automatically be used in the compressor airend, gearbox, or other lubrication systems.

7. How often should motor bearings be lubricated?

The interval depends on bearing type, motor speed, operating temperature, load, environment, and manufacturer recommendations. Follow the maintenance schedule for the specific motor.

8. Can different bearing greases be mixed?

Not unless compatibility has been confirmed. Mixing incompatible greases may cause changes in consistency and lubrication performance.

9. What happens if too much grease is applied?

Excessive grease can increase churning resistance and operating temperature. It may also cause grease leakage or damage in certain bearing arrangements. Apply only the quantity specified by the manufacturer.

10. What should be checked before purchasing?

Confirm the part number, product name, package label, lubricant specification, net quantity, storage condition, and equipment compatibility. For critical applications, request current product documentation from the supplier.

Procurement and Maintenance Recommendations

When purchasing Ingersoll Rand 38034914 Motor Bearing Grease, verify the complete part number and product identity. The additional reference 47629379001 should be checked against the original package or equipment parts list because different catalog databases may associate reference numbers with different items.

For industrial maintenance, confirm the grease formulation and compatibility with the motor bearing. Do not rely only on the general description “motor bearing grease.” Base oil, thickener, consistency, temperature range, and compatibility with existing lubricant can all affect performance.

Store the product in its original sealed packaging under the conditions specified by the manufacturer. Keep the container clean and protect it from contamination. Check the product label for shelf-life information and handling instructions.

During maintenance, use clean lubrication equipment and apply the specified quantity. Record the product number and service details for traceability. If a bearing shows abnormal noise, vibration, leakage, or overheating, inspect the bearing and associated mechanical components instead of treating additional grease as the only solution.

Conclusion

The Ingersoll Rand 47629379001 38034914 Motor Bearing Grease is listed as an industrial lubricant for compatible electric motor bearing maintenance. Supplier product information identifies part number 38034914 with POLYREX EM motor bearing grease in a 13.7 oz tube.

Correct bearing lubrication helps reduce friction and wear and supports reliable motor operation. However, lubricant selection must always match the motor manufacturer’s requirements. Before purchasing or applying this product, verify the complete part number, package specification, and compatibility with the intended bearing.