Introduction
The Ingersoll Rand 47647273001 92844729 Motor Bearing Grease is a maintenance lubricant intended for applicable compressor motor-bearing service. The 47647273001 reference is associated with a 1000-hour preventive maintenance package for the ML55 crane air compressor, while 92844729 is identified as an Ingersoll Rand grease cartridge used for motor-bearing lubrication.
Motor bearings operate under continuous mechanical loads and depend on an appropriate lubricant to control friction and heat. As compressor operating hours accumulate, scheduled lubrication becomes an important part of maintaining motor reliability. Applying the correct grease at the specified interval helps support smooth bearing operation and reduce lubrication-related wear.
The cartridge format of 92844729 provides a practical solution for professional maintenance teams. It allows technicians to handle the lubricant efficiently while following the required lubrication quantity and procedure for the applicable motor.
For best results, the grease should be treated as an application-specific maintenance material rather than a universal substitute for other bearing lubricants. Before service, technicians should verify the motor's lubrication requirements, existing grease compatibility, and the recommended relubrication quantity. This helps protect the bearing assembly and supports dependable compressor operation.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Maintenance Package Number | 47647273001 |
| Lubricant Part Number | 92844729 |
| Product Type | Motor Bearing Grease |
| Primary Application | Electric motor bearing lubrication |
| Associated Compressor | ML55 Crane Air Compressor |
| Maintenance Interval Reference | 1000-hour preventive maintenance |
| Package Format | Grease cartridge |
| Nominal Quantity | 400 g |
| Lubricant Grade | Application-specific motor-bearing grease |
| Lubrication Function | Friction and heat control at motor bearings |
| Installation | Apply according to applicable motor and compressor service procedure |
| Dimensions | Application-specific; verify current package documentation |
| Weight | Approx. 0.4 kg nominal grease quantity |
| Compatibility | Verify motor, bearing, grease specification, and existing lubricant compatibility before use |
Recommended Companion Models
| Model | Product Name |
| 47647272001 | 1000-Hour Preventive Maintenance Package — ML37 Skycar |
| 47647274001 | 2000-Hour Preventive Maintenance Package — ML37 Skycar |
| 47647275001 | 2000-Hour Preventive Maintenance Package — ML55 Crane |
| 39218193 | Motor Grease |
Frequently Selected Alternatives
| Model | Product Name |
| 38459582 | Compressor Lubricant |
| 68140508 | Compressor Lubricant |
| 92837095 | Ultra Coolant |
| 47730714001 | Ultra Coolant |


