The Bomag 05740139 Main Bearing is a genuine OEM component designed for Bomag BW 80 AD-2, BW 90 AD-2, BW 100 ADM-2, BW 80 ADS, and BW 90 AC-2 tandem rollers. Sourced directly from Bomag, this main bearing meets the original engineering tolerances specified for these machines — ensuring the correct load capacity, dimensional fit, and rotational precision from the moment it is installed. This is the exact part your machine was built with, verified against Bomag part number 05740139.
Key Features
- OEM-Precision Tolerancing — manufactured to Bomag's original load-rating and dimensional specs, delivering the bearing clearance and surface finish this application demands
- Direct Drop-In Fit — engineered to the exact bore, width, and journal dimensions of the original, so installation aligns correctly without rework or shimming
- Broad Tandem Roller Coverage — fits BW 80 AD-2, BW 80 ADS, BW 90 AC-2, BW 90 AD-2, and BW 100 ADM-2 tandem rollers, covering multiple machines in the Bomag tandem roller lineup
- Sustained Load Capacity — a correctly seated main bearing supports the crankshaft or drum shaft under continuous compaction loads; a worn bearing leads to shaft play, excessive vibration, and accelerated damage to surrounding components
- Genuine Bomag OEM Part — backed by Bomag's OEM supply chain, giving you confidence that the part number, material grade, and geometry match what was originally fitted to your machine
A main bearing supports the rotating shaft at the heart of the machine's drivetrain or vibration assembly, carrying both radial and axial loads generated during compaction operation. It keeps the shaft centered and stable, allowing smooth, consistent rotation under heavy working conditions. When a main bearing wears or fails, operators will typically notice increased noise, abnormal vibration, shaft movement, or premature wear on adjacent components — all of which can escalate quickly into more extensive drivetrain damage if left unaddressed.
Part Details
| Part Number | 05740139 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Main Bearing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 80 AD-2 | 00810280, 00817566 |
| Tandem Roller | BW 90 AD-2 | 00810281, 00817569, 00818041, 00818507 |
| Tandem Roller | BW 100 ADM-2 | 00817459 |
| Tandem Roller | BW 80 ADS | 00817567, 00818513 |
| Tandem Roller | BW 90 AC-2 | 00817568, 00818045 |
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.
