New 1545404 Bearing-Composite Replacement suitable for Caterpillar Equipment
- New Bearing-Composite Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 1545404 Composite Bearings
â–¶Specification for 1545404 Composite Bearings
â–¶Exact Fit Guarantee for 1545404 Composite Bearings
â–¶| Dimensions | 2.76x2.36x2.95 |
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Frequently Asked Questions
What is the 1545404 bearing used for?
The 1545404 bearing provides a low-friction surface that lets a shaft or component rotate smoothly under load. It carries the load and helps maintain correct clearance.
How do I install the 1545404 bearing?
Fitting the 1545404 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Shut down and let the assembly cool, then follow safe service procedures
- Remove the old bearing and inspect the journal or housing
- Clean all surfaces and check clearances against the manual
- Fit the 1545404 with the correct orientation and seating
- Lubricate as directed and confirm the assembly turns freely
Which Caterpillar machines is the 1545404 compatible with?
The 1545404 bearing is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 1545404 bearing meet performance standards?
Yes. The 1545404 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 1545404 be replaced?
Service life for the 1545404 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure. This part is commonly replaced alongside the 9W6669 Seal G, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 1545404 bearing?
When the 1545404 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Knocking, rumbling, or whining under load
- Excessive play or movement in the assembly
- Metal particles in the oil or on inspection
- Scored, pitted, or discolored bearing surfaces
Why is the 1545404 bearing important, and what related part is commonly replaced with it?
Replacing the 1545404 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 8S6047 Shim Liner is commonly serviced together with this part, so it is worth replacing both while access is available.

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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