The Wacker Neuson Needle Bearing is a genuine OEM component designed for the PDT2, PDT3, PDI2, and PDI3 series diaphragm trash pumps. As a direct factory replacement, this bearing is sourced to the same specification as the original, ensuring correct fit and function within the pump drive assembly. It is compatible across both the inline (PDI) and standard (PDT) diaphragm pump configurations in 50mm/2-inch and 75mm/3-inch discharge sizes. When your pump's bearing shows signs of wear, replacing it promptly with the correct OEM part helps maintain consistent output and prevents collateral damage to surrounding drive components.
Key Features
- Genuine OEM Load Rating: — Manufactured to the same radial load and dimensional tolerances as the original bearing, ensuring the pump drive shaft is properly supported under continuous pumping cycles.
- Drop-In Drive Assembly Fit: — Engineered to seat directly into the existing bearing housing without modification, maintaining correct shaft alignment throughout the drive mechanism.
- Broad Diaphragm Pump Coverage: — Fits PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A series Wacker Neuson diaphragm trash pumps in both 2-inch and 3-inch configurations.
- Protects Downstream Components: — A worn needle bearing causes shaft play that accelerates wear on the connecting rod and diaphragm; replacing it at first sign of failure protects the broader pump assembly.
- Verified OEM Part Number: — Cross-referenced to Wacker Neuson part number 5000089225, giving you confidence you are ordering the correct bearing for your specific pump model.
A needle bearing supports the rotating drive shaft inside the pump's crankcase, providing low-friction radial support that keeps the eccentric drive mechanism running smoothly and in alignment. In a diaphragm trash pump, this bearing is subjected to continuous cyclic loads as the crankshaft drives the diaphragm back and forth to move fluid; any wear or damage to the bearing introduces shaft wobble that reduces pumping efficiency and stresses the diaphragm and seals. Replacing a failing needle bearing early is one of the most cost-effective ways to restore full pump performance and extend the service life of the surrounding drive components.
Part Details
| Part Number | 5000089225 |
|---|---|
| Old Part Number | 0089225 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Bearing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
