The Husqvarna 503254201 Needle Bearing is a genuine OEM replacement designed for the DM230 concrete core drill. As a direct Husqvarna OEM component, this bearing is manufactured to the same specifications as the original, ensuring correct dimensional fit and load rating for the application. Cross-reference part number 503254201 against your parts diagram to confirm compatibility with your DM230 before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Grade Bearing Tolerancing — manufactured to Husqvarna's original dimensional and radial load specifications, delivering the close-tolerance fit that needle bearings demand in a rotating drill motor assembly.
- Direct Drop-In Replacement — engineered to match the original bearing's bore, outer diameter, and length, so installation requires no modification to the housing or shaft.
- Built for the DM230 Core Drill — confirmed fitment for the DM230 concrete core drill, letting you order with confidence that this is the correct component for your machine.
- Restored Shaft Support and Rotation — a correctly functioning needle bearing maintains precise shaft alignment under load; a worn or failed bearing introduces play, vibration, and accelerated wear to surrounding components.
A needle bearing uses a series of thin, elongated cylindrical rollers to support radial loads within a compact envelope. In a core drill motor like the DM230, this bearing supports a rotating shaft, keeping it centered and stable as the machine drives diamond core bits through concrete. When a needle bearing wears or seizes, shaft runout increases, performance degrades, and surrounding housings and gears are placed under abnormal stress — making timely replacement essential to protecting the broader drivetrain.
Part Details
| Part Number | 503254201 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Needle Bearing |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Core Drill | DM230 |
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.
