The Wacker Neuson is a genuine OEM Needle Roller Bearing Hk5520 designed for the BS65-V, BS650, and BS65Y series variable speed vibratory rammers. As a direct OEM replacement, this bearing is manufactured to the same specifications as the original component installed at the factory, ensuring proper load handling and dimensional accuracy within the rammer's drivetrain. Wacker Neuson part is the correct service replacement for machines fitted with the 280 mm / 11 in shoe across multiple production variants of the BS65 rammer family.
Key Features
- OEM-Grade Needle Roller Precision — Manufactured to the original radial load and dimensional tolerances required in high-cycle rammer applications, where bearing failure leads directly to drivetrain wear and loss of compaction force.
- Drop-In Replacement for BS65 Rammer Variants — Installs directly into the existing bearing housing with no re-machining, matching the HK5520 envelope dimensions of the original.
- Broad BS65 Family Coverage — Fits BS65-V, BS65-V EU, BS650, and BS65Y variable speed rammers with 280 mm / 11 in shoe configurations across multiple serial number ranges.
- Sustained Compaction Output — A correctly seated needle roller bearing keeps the rammer's eccentric mechanism running true, maintaining consistent impact frequency and compaction depth in trench and cohesive soil work.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson parts network; part number 5000039021 matches the original bill of materials for these rammer models.
A needle roller bearing supports rotating or oscillating shafts by using small-diameter cylindrical rollers arranged radially around the shaft, allowing it to carry high radial loads in a compact space. In a vibratory rammer like the BS65 series, this bearing sits within the crankshaft or eccentric assembly and absorbs the repeated impact loads generated with every compaction stroke. When the bearing wears or seizes, the drivetrain loses its smooth rotation, causing vibration imbalance, increased mechanical noise, accelerated wear on surrounding components, and ultimately a reduction in the compaction force delivered to the ground.
Part Details
| Part Number | 5000039021 |
|---|---|
| Old Part Number | 0039021 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Roller Bearing Hk5520 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Variable Speed Rammer with 280 mm/11in Shoe | BS65-V EU | 5000009423 |
| Variable Speed Vibratory Ramme r, 280mm/11in Shoe | BS650 | 5000008209 |
| 2-stroke rammer BS65V, 280 mm shoe | BS65-V | 5200000669, 5000009396, 5100016651 |
| Variable Speed Vibratory Ramme r, 280mm/11in Shoe | BS65Y | 5000007567, 5000007566 |
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.
