The Multiquip EM903168 is a genuine OEM Inner Cone Bearing designed for Essick Mixers, Whiteman Mixers, and Mayco C30HD series concrete pumps. As a factory-sourced component, this bearing meets the original dimensional and load tolerances specified for these machines, ensuring consistent performance across every operating cycle. Compatible models include the EM120P, EM120S, WM120PH, WM120SH, and the full C30HD concrete pump family — including the C30HDNI, C30HDG, C30HDZ, and C30HDGA variants. Sourcing the correct OEM part number EM903168 is the most reliable way to confirm a proper fit and restore full operating capacity to your equipment.
Key Features
- Precision Load Tolerancing: — Manufactured to OEM radial and axial load ratings, maintaining the bearing's ability to handle the rotational forces generated by mixer and pump drive systems.
- Direct Tapered Cone Fitment: — Designed as a tapered roller bearing cone that seats correctly against the matching cup without shimming or reworking the housing bore.
- Broad Verified Compatibility: — Confirmed fit for Essick EM120P and EM120S series, Whiteman WM120PH and WM120SH mixers, and Mayco C30HD, C30HDNI, C30HDG, C30HDZ, and C30HDGA concrete pumps.
- Smooth, Low-Friction Rotation: — A properly seated inner cone bearing allows drive shafts and rotating assemblies to turn freely and accurately; a worn or spalled cone bearing causes heat buildup, vibration, and shaft misalignment that can damage surrounding components.
- Genuine Multiquip OEM Part: — Sourced directly from Multiquip, carrying the same material grade and hardness specification used in original production — not a generic approximation.
An inner cone bearing is the inner race component of a tapered roller bearing assembly, working together with the outer cup to support radial and thrust loads on a rotating shaft. In concrete mixers and pump drive systems, this bearing absorbs the continuous stress of drum rotation, agitation, and material resistance, keeping the shaft centered and the drivetrain aligned. When the cone bearing wears, develops pitting, or loses its surface hardness, the shaft develops play that progressively damages seals, gears, and housings — making timely replacement critical to preventing a minor service job from becoming a major rebuild.
For fitment questions or ordering assistance, contact DHS Equipment directly.
Part Details
| Part Number | EM903168 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inner Cone Bearing |
Compatibility & Fitment
| Name | Model |
|---|---|
| Essick Mixers | EM120P Series |
| Essick Mixers | EM120S Series |
| Whiteman Mixers | WM120PH |
| Whiteman Mixers | WM120SH |
| Mayco Pumps | C30HD |
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HDGA |
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.
