Product Overview

The Ingersoll Rand 47588691001 38034914 Motor Bearing Grease is a specialized industrial lubricant intended for electric motor bearing maintenance. Proper bearing lubrication is essential for maintaining stable rotating equipment operation, reducing friction between moving surfaces, and protecting bearings against premature wear.

Electric motors are widely used in industrial air compressors, manufacturing equipment, pumps, fans, conveyors, and other rotating machinery. During operation, their bearings support rotating shafts and maintain the correct mechanical alignment. These components are exposed to continuous movement, mechanical loads, and temperature changes. Without suitable lubrication, friction and heat can increase, potentially leading to bearing damage and unexpected equipment downtime.

The product code 38034914 is identified in Ingersoll Rand parts listings as motor bearing grease. Commercial product descriptions identify it as a 13.7 oz tube of Polyrex EM motor bearing grease. This makes it relevant to maintenance work involving compatible electric motor bearings.

The grease forms a lubricating film between bearing surfaces, helping reduce direct metal-to-metal contact. It also supports smoother bearing operation and helps protect internal surfaces from wear. The correct lubricant must be selected according to the bearing manufacturer’s recommendations and the motor’s operating conditions.

For industrial air compressor maintenance, using the correct motor bearing lubricant is important because compressor motors may operate for extended periods under demanding conditions. Regular inspection and appropriate lubrication help maintenance teams support equipment reliability and reduce the risk of premature bearing failure.

The 47588691001 and 38034914 identifiers should be checked against the actual product label and supplier documentation before ordering. Since supplier listings may use different ordering references for the same lubricant description, verifying the 38034914 product code is particularly important.

Technical Specifications

Note: The dimensions and weight are the supplied listing parameters. Confirm the actual packaging, net grease quantity, and product identification on the container before purchasing or shipping.

Function and Working Principle

Motor bearing grease performs several important functions in rotating machinery. Its primary purpose is to maintain an appropriate lubricating film between bearing components while helping protect the bearing during operation.

1. Friction Reduction

Bearings contain moving surfaces that operate under mechanical loads. Although bearings are designed to reduce friction, their internal components still require suitable lubrication.

When the correct grease is applied, it helps form a lubricating film between rolling elements, raceways, and other relevant contact surfaces. This reduces direct contact and helps limit friction during rotation.

Lower friction can support smoother bearing movement and reduce unnecessary mechanical resistance.

2. Wear Protection

Repeated mechanical contact can gradually wear bearing surfaces. Inadequate lubrication may accelerate this process, particularly when equipment operates continuously or experiences changing loads.

Motor bearing grease helps separate moving surfaces and reduce wear during normal operation. Proper lubrication is therefore an important part of preventive maintenance.

The effectiveness of the lubricant depends on correct selection, quantity, application method, and operating conditions.

3. Heat Management

Friction generates heat inside rotating machinery. If a bearing operates with insufficient or unsuitable lubrication, frictional heating may increase and contribute to premature component deterioration.

Appropriate grease helps reduce friction-related heat generation. However, grease should not be regarded as a substitute for proper bearing cooling, ventilation, or temperature monitoring.

4. Bearing Surface Protection

A suitable grease can help protect bearing surfaces from environmental contamination and corrosion during service.

The lubricant provides a protective layer around relevant bearing contact areas. The level of protection depends on the grease formulation and the environment in which the equipment operates.

5. Support for Continuous Operation

Industrial electric motors may operate for long periods with limited opportunities for maintenance. Bearing lubrication is therefore an important part of maintaining reliable operation.

Using the specified lubricant and following the motor manufacturer’s maintenance schedule can help reduce lubrication-related problems and support predictable equipment performance.

Role in Industrial Compressor Maintenance

Ingersoll Rand motor bearing grease is relevant to maintenance activities involving compatible electric motors used in compressed-air systems and other industrial machinery.

An industrial air compressor typically includes several rotating and mechanical components. Electric motors provide the driving power, while bearings support rotating shafts and maintain mechanical stability.

Although the grease is identified as motor bearing lubricant, it should not automatically be treated as compressor air-end lubricant or general-purpose compressor oil. These products perform different functions and may have different chemical and operating requirements.

Electric Motor Bearing Maintenance

Electric motor bearings support shaft rotation and help maintain the alignment of the rotating assembly. Proper lubrication reduces friction and supports smooth movement.

During scheduled maintenance, technicians should inspect the motor’s bearing condition and determine whether lubrication is required. The grease type and quantity must follow the motor manufacturer’s instructions.

Compressor Reliability

A compressor motor with properly maintained bearings is better positioned to operate reliably under its intended load.

Inadequate lubrication may cause increased friction, abnormal temperature, noise, or vibration. These conditions can eventually affect motor performance and may lead to equipment shutdown.

Using the correct bearing grease as part of a broader maintenance program helps reduce avoidable lubrication problems.

Preventive Maintenance Planning

Maintenance teams can include bearing lubrication in scheduled inspections based on operating hours, equipment condition, and manufacturer recommendations.

The maintenance record should identify the lubricant product code, application date, quantity, and equipment reference. This helps prevent incorrect lubricant selection during future servicing.

Industrial Applications

The 47588691001 / 38034914 motor bearing grease is intended for compatible electric motor bearing lubrication. Its application should be determined by the equipment manufacturer’s lubricant requirements.

1. Industrial Air Compressors

Electric motors are widely used to drive industrial air compressors. Their bearings must operate reliably under the mechanical and thermal conditions associated with compressor operation.

Motor bearing grease can be used in compatible motor maintenance procedures to support smooth bearing operation and reduce friction-related wear.

The lubricant should be applied only to the motor bearings specified by the maintenance instructions. It should not be introduced into the compressor air end, oil circuit, or other lubrication systems unless expressly approved.

2. Electric Motor Maintenance

Electric motors are used throughout manufacturing facilities, utilities, and industrial production lines.

Bearing lubrication is an important part of motor maintenance. Applying the correct grease at the recommended intervals helps support smooth rotation and protect bearing contact surfaces.

3. Pumping Equipment

Industrial pumps use electric motors to drive impellers and other rotating components. The motor bearings must support the shaft and maintain stable rotation.

Suitable bearing grease can be used during motor maintenance when the bearing design and manufacturer’s instructions specify grease lubrication.

4. Fan and Blower Systems

Industrial fans and blowers frequently operate for extended periods. Their electric motors may experience continuous rotational loads and temperature changes.

Correct bearing lubrication helps reduce friction and supports stable motor operation. Maintenance intervals should reflect the actual operating environment and equipment requirements.

5. Conveyor Systems

Conveyor systems use electric motors to drive belts, rollers, and material-handling mechanisms. Motor bearing condition can affect the reliability of the entire conveying process.

During scheduled maintenance, technicians should inspect bearing noise, temperature, vibration, and lubrication condition.

6. General Rotating Machinery

Compatible electric motors used in manufacturing machinery, industrial ventilation, and auxiliary equipment may also require periodic bearing lubrication.

Before using the grease, confirm that its specifications meet the requirements of the bearing and motor manufacturer.

Installation and Lubrication Guidelines

Correct grease application is important for bearing performance. Applying too little grease may result in inadequate lubrication, while excessive grease can increase friction, temperature, and mechanical resistance.

1. Verify the Lubricant

Before application, confirm the product code and lubricant description. The 38034914 identifier is associated with Ingersoll Rand motor bearing grease and is commercially described as Polyrex EM.

Check the motor manufacturer’s documentation to verify that the grease is approved for the specific bearing.

Do not select a lubricant based only on its general description as motor grease.

2. Inspect the Bearing

Before lubrication, inspect the bearing and surrounding components for visible damage, contamination, abnormal discoloration, or signs of overheating.

If the bearing has excessive noise, vibration, or mechanical damage, lubrication alone may not resolve the problem.

Damaged bearings should be evaluated and replaced where necessary.

3. Clean the Lubrication Area

Keep the lubrication point, grease fittings, and surrounding surfaces clean before application.

Dirt, metal particles, moisture, and other contaminants can affect bearing performance. Use clean tools and suitable procedures to prevent contamination during maintenance.

4. Apply the Correct Quantity

The amount of grease required depends on the bearing design, dimensions, rotational speed, and operating conditions.

Follow the motor manufacturer’s specified quantity and lubrication interval. Avoid filling the bearing housing completely unless the equipment documentation specifically requires that arrangement.

Overgreasing can cause excessive churning, temperature increases, and grease leakage.

5. Avoid Incompatible Grease Mixing

Different grease formulations may use different base oils, thickeners, and additives.

Mixing incompatible greases can affect consistency, lubrication performance, and operating stability. When changing lubricant types, follow the bearing or motor manufacturer’s cleaning and conversion procedures.

Do not assume that two greases are compatible simply because both are intended for electric motor bearings.

6. Check Operation After Maintenance

After lubrication, return the equipment to service according to the applicable maintenance procedure.

Monitor bearing temperature, vibration, noise, and motor operating conditions. Any unusual increase in temperature or abnormal mechanical noise should be investigated.

7. Observe Storage and Handling Requirements

Store the grease in its original, properly closed container. Protect it from excessive heat, moisture, dust, and contamination.

Follow the product label and applicable safety data sheet for storage, handling, disposal, and personal protective equipment requirements.

Compatible Equipment and Maintenance Components

The 38034914 motor bearing grease is a maintenance consumable rather than an electrical control module. It is used alongside mechanical and electrical equipment during suitable servicing procedures.

The components listed above are examples of equipment associated with motor bearing maintenance. They are not necessarily included with the grease.

Alternative Models and Lubricant Selection Considerations

Selecting an alternative motor bearing grease requires more than matching the product’s general application. Different lubricants may have different base oils, thickener systems, viscosity characteristics, temperature ranges, and compatibility requirements.

Before selecting a replacement lubricant, compare:

• Base oil type and viscosity.
• Thickener chemistry.
• NLGI consistency grade.
• Operating temperature range.
• Bearing speed and load requirements.
• Water resistance and oxidation stability.
• Compatibility with the existing grease.
• Motor and bearing manufacturer’s approval.
• Lubrication quantity and relubrication interval.

A product with a similar application description is not necessarily a direct substitute. Always verify compatibility before changing lubricant types.

Key Advantages

Effective Bearing Lubrication

The grease is intended for electric motor bearing maintenance, helping reduce friction between moving bearing surfaces when used correctly.

Support for Mechanical Reliability

Appropriate lubrication helps reduce wear and supports stable bearing operation under the specified working conditions.

Suitable for Preventive Maintenance

The product can be incorporated into scheduled maintenance procedures for compatible motors and rotating equipment.

Reduced Friction-Related Wear

Maintaining a suitable lubricating film helps limit direct contact between bearing surfaces and supports longer component service life.

Recognizable Ingersoll Rand Product Code

The 38034914 identifier helps maintenance teams identify the motor bearing grease when sourcing replacement consumables.

Convenient Grease Packaging

Commercial descriptions identify 38034914 as a 13.7 oz tube, providing a practical package format for suitable maintenance tasks.

Support for Compressor Motor Maintenance

For compatible compressor motors, correct bearing lubrication forms part of a broader maintenance strategy intended to reduce avoidable mechanical problems.

Technical FAQs

1. What is the Ingersoll Rand 47588691001 38034914?

It is an Ingersoll Rand motor bearing grease product identified by product code 38034914. It is intended for compatible electric motor bearing lubrication and maintenance.

2. What is the main function of 38034914 motor bearing grease?

Its main function is to lubricate compatible motor bearings, reduce friction between moving surfaces, and help protect bearing components against wear.

3. Is 38034914 the same as Polyrex EM?

Commercial product listings identify 38034914 as a 13.7 oz tube of Polyrex EM motor bearing grease. Buyers should confirm the product label and manufacturer documentation when verifying the exact formulation.

4. What is the package size?

Commercial listings describe the product as a 13.7 oz tube, approximately 388 g of grease. Actual package information should be confirmed from the supplied product.

5. Can this grease be used in air compressors?

It may be used for compatible electric motor bearings in air compressor installations when approved by the motor manufacturer. It should not automatically be used as compressor air-end lubricant or compressor oil.

6. Can it be used for all electric motor bearings?

No. Motor bearings have different lubrication requirements. Confirm the grease specification, bearing design, operating temperature, and maintenance instructions before application.

7. Can different motor bearing greases be mixed?

Not without confirming compatibility. Different grease formulations may react or lose their intended properties when mixed. Follow the manufacturer’s procedures when changing grease types.

8. How often should motor bearing grease be applied?

There is no universal lubrication interval. The correct interval depends on bearing design, motor speed, load, temperature, operating hours, and the manufacturer’s recommendations.

9. What happens if a bearing is overgreased?

Excessive grease can increase internal friction and temperature, cause grease leakage, and potentially affect bearing performance. Always follow the specified grease quantity.

10. What should buyers check before ordering?

Verify the Ingersoll Rand product code 38034914, the ordering reference 47588691001, the package description, and the actual container label. Confirm the product is suitable for the motor bearings being serviced.

Procurement and Maintenance Recommendations

When purchasing Ingersoll Rand 47588691001 / 38034914 motor bearing grease, verify the product identification carefully. The 38034914 code is the key product reference associated with motor bearing grease in Ingersoll Rand parts listings.

Suppliers may use different ordering references when listing this product. Therefore, buyers should compare the complete part number, product description, and packaging label rather than relying on one reference alone.

For industrial maintenance departments, it is useful to maintain a record of lubricant usage. The record should include the product code, equipment identification, application date, quantity used, and next scheduled inspection.

During maintenance, technicians should inspect bearing condition and check for unusual temperature, noise, vibration, or grease leakage. If abnormal conditions are present, investigate the mechanical cause rather than simply adding more grease.

Store the product in its original container and follow the manufacturer’s handling and safety recommendations. Keep grease away from contamination and avoid using damaged or unidentified containers.

For replacement procurement, confirm the actual package quantity, dimensions, weight, and delivery condition. The supplied listing dimensions of 180 × 35 × 100 mm and weight of 0.41 kg can be used as product-page parameters, but logistics data should be checked against the packaged item.

Conclusion

The Ingersoll Rand 47588691001 38034914 Motor Bearing Grease is an industrial lubrication product intended for compatible electric motor bearing maintenance. Its primary role is to help reduce friction, protect bearing surfaces, and support reliable operation of rotating equipment.

The 38034914 product code is commercially associated with a 13.7 oz tube of Polyrex EM motor bearing grease. It can be relevant to maintenance activities involving industrial compressor motors and other compatible electric motors.

For reliable results, the grease must be selected and applied according to the bearing manufacturer’s requirements. Correct lubricant identification, appropriate application quantity, clean handling practices, and scheduled inspection are all important parts of an effective industrial maintenance program.