Graco 107434 Thrust Bearing

Graco 107434 Thrust Bearing—OEM axial bearing for the drive/crank assembly. Stabilizes end-load, reduces friction and vibration, and helps extend pump & packing life.

Part #: 107434 (also shown as 107-434)
Fits: 290 Classic (18C268), 390 Classic (17C347/17C348), 390 Cordless (25T943), 395 Classic S (17C359), FinishPro 395 (17C320)
Function: Handles axial thrust at the crank/rod interface
Benefits: Smoother drive, reduced wear, OEM fit
Tip: Verify against your model’s parts manual before ordering

$6.93

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Description

Overview: Precision Axial Support for Graco Drives

Compatible Machines

This 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?

The 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.

Yes—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 as 107-434. If your manual shows that reference, this part is suitable.