The Wacker Neuson is a genuine OEM Cylindrical Roller Bearing C4 designed for the RD27-100 and RD27-120 series ride-on tandem rollers. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original component installed at the factory, ensuring a correct drop-in fit within the drivetrain or vibration system of your RD27 roller. This bearing carries a C4 internal clearance rating, which is the specification called out by Wacker Neuson for this application and is not interchangeable with standard-clearance bearings. Verified fitment spans multiple RD27-100 and RD27-120 configurations, including Pro and Basic T4F variants, making this the right part to have on hand for any RD27 series machine in your fleet.
Key Features
- C4 Clearance Rating: — The C4 internal clearance specification is engineered for higher operating temperatures and dynamic loads typical in vibratory roller drivetrains — a standard-clearance bearing is not a suitable substitute.
- Genuine OEM Construction: — Sourced directly from Wacker Neuson, this cylindrical roller bearing meets the original design tolerances for load capacity and rotational precision required in the RD27 platform.
- Direct-Fit Replacement: — Dimensionally identical to the original bearing, the 5000189412 installs into the same bore and shaft interface without modification to housings or adjacent components.
- Broad RD27 Series Coverage: — Confirmed fitment across RD27-100 and RD27-120 machines in Pro, Basic, and T4F configurations, covering a wide production range of Wacker Neuson ride-on tandem rollers.
- Sustained Vibration System Integrity: — A correctly rated cylindrical roller bearing keeps the exciter shaft or drive assembly running true under continuous vibration loads; a worn or incorrect bearing accelerates shaft wear and can cause vibration imbalance or drivetrain failure.
A cylindrical roller bearing is a high-capacity rolling-element bearing designed to handle heavy radial loads generated by rotating shafts inside compaction and drivetrain assemblies. In a ride-on tandem roller like the RD27 series, these bearings support the exciter or drive shafts that generate the vibratory force transmitted to the drums — the core mechanism that achieves asphalt and soil compaction. When a cylindrical roller bearing wears out or operates with the wrong internal clearance, it generates heat and vibration noise, allows shaft deflection, and — if left unaddressed — can lead to catastrophic housing or shaft damage that takes the machine out of service.
Part Details
| Part Number | 5000189412 |
|---|---|
| Old Part Number | 0189412 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylindrical Roller Bearing C4 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
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.
