Overview: Precision Axial Support for Graco Drives
Compatible Machines
Graco 107434 Thrust Bearing is used in the drive/crank assemblies of the following sprayers:
- Graco 290 Classic (18C268)
- Graco 390 Classic (110V) (17C347)
- Graco 390 Classic (230V) (17C348)
- Graco 390 Cordless (25T943)
- Graco 395 Classic S (17C359)
- Graco FinishPro 395 (17C320)
Note: Some older manuals reference this part as 107-434. If your model is not listed above, confirm by checking your unit’s parts manual.
What Is the 107434 Thrust Bearing?
Graco 107434 Thrust Bearing is a precision axial (end-load) bearing that stabilizes the crank/connecting-rod interface. By carrying thrust loads, it helps the pump run smoothly, minimizes friction, and reduces wear on the drive assembly and packings.
Key Benefits
- Smoother drive performance and reduced vibration
- Helps extend pump and packing life
- OEM fit for the models listed above
Specifications
| Part Number | 107434 (also referenced as 107-434 in some manuals) |
| Category | Drive / Crank – Thrust Bearing (axial load) |
| Function | Handles axial loads from the crank/rod to promote smooth operation and reduce wear |
| Compatibility | See Compatible Machines list above |
| What’s in the Box | 1 × Graco 107434 Thrust Bearing |
Fitment & Install Tips
- Match the part number in your sprayer’s parts manual before ordering
- Clean mating surfaces and lightly lubricate as specified by Graco
- Inspect related crank/rod components for wear while servicing
Frequently Asked Questions
Check your unit’s parts manual and look for part 107434 (or 107-434). If your model is listed in the Compatible Machines section above, this is the correct bearing.
Excessive drive noise, vibration, or uneven pump motion can indicate bearing wear. Inspect the crank/rod assembly and replace the thrust bearing if needed.
Yesm-apply the lubricant recommended by Graco to the bearing interface during assembly, and ensure all surfaces are clean.
In some older documentation, the same component appears as107-434. If your manual shows that reference, this part is suitable.
