423-1990 Bearing – Outer Race (Debris Resistant)
Cat® Tapered Roller Bearing (Bearing Cup Only)
Wholesale only · Full payment before shipment · Send your machine nameplate to confirm fitment
Description
Tapered roller bearings reduce friction and provide protection between mating parts. They are specifically designed to handle large radial and thrust loads.
Features
- Outside Diameter: 161.925 mm (6.375 in)
- Width: 42.862 mm (1.687 in)
- Caterpillar invests significant time and money in research and development to ensure that every Caterpillar bearing meets specific design and application requirements. Many of these bearings incorporate one or more special features not found in industry-standard bearings. The result is fewer repairs, and lower downtime and operating costs.
Applications
Cat bearings are built for specific applications to ensure all power train parts work and wear as a unit. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material | Alloy Steel |
|---|---|
| Outside Diameter | 161.925 mm (6.375 in) |
| Width | 42.862 mm (1.687 in) |
Compatible Equipment
- Excavators: 3516E
- Off-Highway Trucks: 789D, 789, 793D, 785, 793F, 793
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








