Bearing

The Wacker Neuson Bearing is a genuine OEM component designed for the PDT and PDI series diaphragm pumps, including PDT2A, PDT3A, PDI2A(I), PDT2, PDT3, PDI3A, and PDI3A(I) models. As a direct OEM replacement, this bearing is manufactured to the same specification as the original, ensuring it seats and functions exactly as intended within the pump assembly. Correct fitment across both the PDT and PDI model families makes this a reliable go-to part for fleet operators and service technicians maintaining multiple units.

Key Features

• Genuine OEM Bearing Specification — Manufactured to Wacker Neuson's original tolerance and load rating requirements for diaphragm pump applications, not a general-purpose substitute.
• Drop-In Replacement — Matches the original bearing dimensions and seat geometry across PDT2A, PDT3A, PDI3A, PDI2A(I), and related variants for a straightforward swap during service.
• Broad PDT/PDI Family Coverage — Confirmed fitment across PDT2A, PDT2, PDT3A, PDT3, PDI2A(I), PDI3A, and PDI3A(I) pump models, covering both 2-inch and 3-inch diaphragm pump configurations.
• Sustains Smooth Pump Operation — A worn or failed bearing introduces vibration, shaft misalignment, and accelerated seal wear; replacing it promptly restores the pump's intended running performance.
• Backed by Wacker Neuson OEM Sourcing — Supplied as a genuine part, so you can be confident the part number 5000180274 matches your service manual reference exactly.

A bearing in a diaphragm pump supports the rotating drive shaft, allowing it to spin freely while holding it in precise alignment with minimal friction. When the bearing is in good condition, the shaft runs smoothly and the diaphragm cycles at the correct rate to move fluid efficiently. As the bearing wears, it can allow shaft movement that places stress on the diaphragm, drive components, and seals — leading to erratic pump output, increased noise, and eventual pump failure if left unaddressed.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.