The Multiquip EE59532 Inner Bearing Cup 25520 is a genuine OEM inner bearing cup designed for Multiquip trailer models including TRLR45H, TRLR45E, TRLR502XFH, TRLR502XFE, TRLRSG1600XFH, and TRLRSG1600XFE. Sourced directly from Multiquip, this OEM component ensures the correct taper geometry and surface hardness needed to properly seat the bearing cone and support hub rotation under load. Verify your model and part number before ordering to confirm fitment for your specific trailer configuration.
Key Features
- Precision-Ground Taper Surface — The cup's hardened, precision-ground raceway seats the bearing cone correctly, maintaining the load-distribution geometry the hub assembly depends on.
- Genuine OEM Specification — Manufactured to Multiquip's exact material and dimensional standards, matching the original cup in hardness grade, taper angle, and outside diameter for a direct drop-in installation.
- Broad Trailer Fitment — Confirmed for TRLR45H, TRLR45E, TRLR502XFH, TRLR502XFE, TRLRSG1600XFH, and TRLRSG1600XFE Multiquip trailers.
- Restored Hub Integrity — A worn or pitted bearing cup causes uneven cone contact, leading to accelerated bearing wear, hub heat buildup, and eventual wheel instability — replacing it restores proper load transfer and smooth hub rotation.
- Wheel Safety Compliance — Trailer wheel bearing components are safety-critical; using a correctly spec'd OEM cup ensures the hub assembly performs within its rated load and speed envelope on public roads and work sites.
The inner bearing cup — also called a bearing race — is the outer ring of a tapered roller bearing assembly that presses into the wheel hub. It provides the hardened raceway surface against which the bearing cone's rollers travel, transferring the trailer's axle load and lateral forces through the hub to the wheel. When a bearing cup becomes pitted, spalled, or worn, it creates uneven roller contact that generates excess heat and vibration, accelerating damage to the cone, hub, and spindle — making timely replacement essential to safe trailer operation.
Part Details
| Part Number | EE59532 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inner Bearing Cup 25520 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trailers | TRLR45H |
| Trailers | TRLR45E |
| Trailers | TRLR502XFH |
| Trailers | TRLR502XFE |
| Trailers | TRLRSG1600XFH |
| Trailers | TRLRSG1600XFE |
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.