Graco 116090 Piston Bearing
$24.60
In Stock
Graco piston bearing (Part #116090) — essential internal bearing for hydraulic‑motor pistons to ensure smooth operation, reduce wear and maintain pump efficiency.
- OEM bearing for piston in hydraulic motor/pump
- Supports smooth piston motion & reduces friction
- Used in hydraulic‑powered Graco sprayers/pumps (e.g. HydraMax series)
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Genuine OEM Part
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Graco 116090 Piston Bearing
The Graco 116090 Piston Bearing is a genuine OEM bearing designed for the piston of hydraulic-motor assemblies in compatible Graco pumps and sprayers. It supports smooth piston movement, reduces wear, and helps ensure reliable hydraulic operation.
Compatible Systems / Machines
- Graco hydraulic-motor / pump assemblies that list part # 116090 as “Bearing, piston, hydraulic motor” in their parts diagram.
- Hydraulic-powered sprayers, coating or fluid-handling equipment from Graco (e.g. HydraMax series) using hydraulic pistons and requiring OEM piston-bearings.
Product Features
- OEM-grade piston bearing — ensures correct fit and compatibility with Graco hydraulic-motor internals.
- Enables smooth piston motion and reduces friction/wear — important for long service life of hydraulic pump/motor.
- Critical component for maintenance or rebuild: replacing worn piston bearings helps restore hydraulic performance and prevent motor damage.
When to Use / Replace
It supports piston rotation or linear motion inside the hydraulic-motor cylinder, reducing friction and preventing premature wear — ensuring smooth, leak-free, and consistent operation.
No — use it only if your pump’s parts diagram specifically lists 116090 as the piston bearing. Mismatched bearings may not fit properly or may fail.
OEM bearing ensures correct dimensions, material hardness and tolerance — essential for hydraulic-motor reliability. Generic bearings may cause premature wear, leaks, or motor failure.
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