The Wacker Neuson Ball 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 restores smooth, low-friction rotation to the pump's drive mechanism, keeping the unit running at full pumping capacity. It is a verified fit across both 50mm/2-inch and 75mm/3-inch diaphragm trash pump configurations in the PDT and PDI families, covering a wide range of Wacker Neuson pump models. Sourcing part number directly ensures you receive the correct bearing specification for a lasting, trouble-free repair.
Key Features
- Genuine OEM Bearing Specification — Manufactured to the exact load rating, bore diameter, and tolerance required by Wacker Neuson for these diaphragm pump drive assemblies.
- Drop-In Drive Assembly Fit — Engineered to seat correctly in the pump housing without shimming or reworking, matching the original bearing seat dimensions.
- Broad PDT and PDI Series Coverage — Fits PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A pump models across both 2-inch and 3-inch discharge sizes.
- Sustained Pumping Efficiency — A worn or failed bearing introduces drag and vibration into the drive shaft, degrading diaphragm stroke and flow rate; this replacement restores full stroke consistency.
- Long Service Life Under Wet Conditions — Diaphragm pump bearings operate in demanding, vibration-heavy environments; the OEM-spec material and sealing grade are selected to handle that duty cycle.
The ball bearing in a diaphragm trash pump supports the eccentric drive shaft that converts engine rotation into the reciprocating motion needed to flex the diaphragm and move fluid. It carries both radial and axial loads generated by the pump's continuous stroke cycle. When the bearing wears, you'll notice increased vibration, heat buildup at the pump housing, or a drop in flow output — and if left unaddressed, bearing failure can damage the drive shaft or pump housing. Replacing a worn bearing with the correct OEM part restores drive efficiency and protects the surrounding components from secondary wear.
Part Details
| Part Number | 5000089218 |
|---|---|
| Old Part Number | 0089218 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ball 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.
