Graco 101947 Ball Bearing

The Graco 101947 Ball Bearing is a precision OEM stainless steel bearing that ensures smooth motion and reduces wear in Graco sprayers and pumps.

OEM Part #: 101947
Material: Stainless Steel (SST)
Function: Supports rotating/oscillating components for smoother operation
Fits Models: EM 350, EM 5000, GM 3012, GM 5000, GMax 5900, Mark V, Ultra Max II 1095/1595 & more

$8.65

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Description

Overview & Key Details

Compatible Machines

Graco EM 350
Graco EM 5000
Graco GM 3012
Graco GM 5000 / GM 5000 HD
Graco GMax 5900 / GMax 5900 HD / GMax II 5900
Graco LineLazer 5000, LineLazer II/III/IV 5900
Graco Mark V / TexSpray Mark V
Graco Ultimate 1500, Ultimate Mx 1595, Ultimate Mx II 1095/1595
Graco Ultra 1500, Ultra Max 1595, Ultra Max II 1095/1595, Ultra Plus+ 1500
Notes: Also referenced for EXP2/A25, R3 EXP2 pump parts (listed as piston ball in some manuals)

Technical Specifications

OEM Part #	101947
Part Type	Ball Bearing (also appears as “Bearing Ball” / “Piston Ball” in some parts lists)
Material	Stainless steel (SST) noted in several listings
Approx. Size*	Width ~0.40 in; Height ~0.35 in; Depth ~0.40 in
Function	Supports internal motion, reduces wear, helps retain alignment in pump/drive assemblies

Key Benefits

OEM fit for consistent performance and longevity
Reduced friction & wear on mating components
Smooth operation with improved alignment and stability

Fitment Guidance

Confirm with your exact model/serial and the exploded parts diagram before ordering
Some model families use multiple bearings—identify by item number/position in the manual
If replacing a “piston ball,” check seat/race condition and related seals during service

Installation & Service Notes

Power off, depressurize, and follow all lockout procedures
Clean housing and shaft; remove debris/old grease before install
Press into place using proper drivers—avoid loading across the balls/race
Lubricate as specified in the Graco service manual; test for smooth rotation

Frequently Asked Questions

It provides a low-friction bearing surface inside the pump or drive assembly so rotating or oscillating parts move smoothly, reducing wear and maintaining alignment.

Match the part number 101947 to your model’s parts manual and verify the diagram item location. If your machine is listed above, still confirm by serial/build since sub-variants can differ.

Many listings identify the bearing/ball as SST for corrosion resistance and longevity. Use the OEM spec to ensure correct material and fit for your application.

Excess vibration, rough rotation, abnormal noise, or accelerated wear on adjacent components. Inspect during pump rebuilds or when diagnosing performance issues.

For best results, use the OEM 101947. Substitutes may differ in tolerance/material and can impact performance, service life, and warranty considerations.