The Wacker Neuson Tapered Roller Bearing 30205 is a genuine OEM component designed for the CT30, CT36, and CT48 series walk-behind concrete power trowels. As a direct OEM replacement, part is built to the same tolerances and load ratings as the original, ensuring a correct, reliable installation with no guesswork on fitment. This bearing supports a wide range of CT series configurations — including gas, diesel, electric, variable speed, and CE-compliant models — making it a versatile stock item for concrete finishing fleets. Keep a spare on hand to minimize unplanned service interruptions during finishing operations.
Key Features
- OEM-Grade Load Tolerancing — Manufactured to the same radial and axial load specifications as the original 30205 bearing, maintaining correct rotational performance under the demanding loads of concrete trowel operation.
- Drop-In Installation — Matches the original bearing seat dimensions of CT series trowels exactly, so the 5000073578 seats and preloads correctly without machining or shimming.
- Broad CT Series Coverage — Fits CT30, CT36, and CT48 walk-behind trowel models across gas, diesel, electric, variable speed, and CE configurations — one part number covers the full range.
- Protects Trowel Rotor Performance — A worn or failed tapered roller bearing causes rotor wobble, uneven blade contact, and accelerated spider and gear damage; replacing it promptly restores smooth, consistent blade pitch and finish quality.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part 5000073578 carries the full OEM part number verification, so you can order with confidence that you are receiving the correct component.
A tapered roller bearing is designed to handle both radial loads (forces perpendicular to the shaft) and axial thrust loads (forces along the shaft), making it the preferred bearing type for rotating assemblies that experience combined loading — such as the rotor shaft on a walk-behind concrete trowel. In a power trowel, this bearing supports the main rotor or spider assembly, allowing the trowel blades to spin at consistent speed and with the correct blade pitch angle across the finishing surface. When the bearing wears, develops flat spots, or loses its preload, operators will notice vibration, uneven blade contact, or noise from the rotor assembly — all signs that replacement is needed to restore a quality surface finish and prevent further drivetrain wear.
Part Details
| Part Number | 5000073578 |
|---|---|
| Old Part Number | 0073578 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tapered Roller Bearing 30205 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| 1220mm/48in Walk-behind Trowel | CT48AGP | 5000007602, 5000007603 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGP-E | 5000008031, 5000008032 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599, 5000008199 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT-E | 5000007589, 5000008004 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT | 5000008006, 5000008003 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGT-E | 5000007601, 5000008020 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| 1220mm/48in Walk-behind Trowel | CT48AGT | 5000008019, 5000008041 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVP | 5000009219, 5000009220 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVT | 5000009217, 5000009218 |
| 915mm/36in CE Electric Walk-be hind Trowel | CT36EDT | 5000009064 |
| 762mm/30in CE Electric Walk-be hind Trowel | CT30EDT | 5000009063 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
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.
