New 1078126 Bearing Replacement suitable for Caterpillar Equipment
- New Bearing Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 1078126 Spherical Bearing
â–¶Specification for 1078126 Spherical Bearing
â–¶Exact Fit Guarantee for 1078126 Spherical Bearing
â–¶| Models | 735, 740, AD55B, AD60, D5M, D5N, D5R LGP, D6M, D6N, D6N LGP |
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| Dimensions | 5.51x5.51x4.13 |
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The Double Order Catastrophe
My co-worker placed an order and wasn't sure it went through online. I later placed the same order thinking the previous order didn't go through. To my surprise both orders went through, and I needed to cancel one of the orders. I called and spoke with someone who instructed me someone would contact me about the situation. I was contacted by Misty and she said she would do her best to cancel one of the orders but not sure if she could because they were next day orders. A small tome later I received an email saying she was able to cancel one of the orders. Thank you to Misty and the entire Propel Parts Team. Greatly appreciated!! -
Excellent Customer service
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Excelente servicio rapido, responsable y confiable
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This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
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My part was damaged in shipping and everyone was very helpful on get it resolved and sent me another free of charge.
Frequently Asked Questions
What is the 1078126 bearing used for?
The 1078126 is a bearing that supports rotating or sliding motion while keeping friction and wear low, protecting the parts it carries.
How do I install the 1078126 bearing?
A reliable installation of the 1078126 starts with inspection and ends with verification. Follow this process:
- 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 1078126 with the correct orientation and seating
- Lubricate as directed and confirm the assembly turns freely
Which Caterpillar machines is the 1078126 compatible with?
Compatibility for the 1078126 bearing varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Or reach out to Propel Parts for help verifying fitment.
Does the 1078126 bearing meet performance standards?
Yes. The 1078126 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.
How often should the 1078126 be replaced?
The 1078126 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear.
What are the signs of a worn or failing 1078126 bearing?
Catching a failing 1078126 early prevents wider damage. The common warning signs include:
- 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 1078126 important, and what related parts work with it?
Keeping the 1078126 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. Related hardware on our site includes 4S9006 Seal and 1866319 Washer.
This 1078126 Spherical Bearing is compatible with the following models:
735, 740, AD55B, AD60, D5M, D5N, D5R LGP, D6M, D6N, D6N LGP & more...

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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