TR0809A Wheel Bearing For MERCEDES BENZ

The DUHUI Bearing TR0809A wheel bearing is a single-row tapered roller bearing designed for Mercedes-Benz 4MATIC all-wheel drive front axle applications, particularly in longitudinal engine platforms . With a 40 mm bore, 90 mm outer diameter, and 35.25 mm total width, this bearing supports combined radial and axial loads in the front axle transfer case or drive module . It matches Mercedes-Benz OE specification TR0809A and is interchangeable with Koyo TR0809A .
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DWB2605 |
| Part Number | TR0809A |
| Product Type | Tapered Roller Bearing – Single Row, Metric Series |
| Bore Diameter (d) | 40.00 mm (1.575 inch) |
| Outer Diameter (D) | 90.00 mm (3.543 inch) |
| Total Width (T) | 35.25 mm (1.388 inch) |
| Cone Width (B) | 33.00 mm (1.299 inch) |
| Cup Width (C) | 26.00 mm (1.024 inch) |
| Material | High Carbon Chrome Steel (GCr15) |
| Weight | 1.01 kg (2.23 lb) |
Note: Dimensional data is based on Koyo published specifications . Please verify measurements against your original bearing before ordering.
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code: DWB2605
OE Numbers:
TR0809A
Reference Numbers (Interchange):
Koyo: TR0809A
Timken: 32308
NTN: 4T-32308
FAG: 32308
32308JR, 32308A, 32308 J2
Vehicle Fitment
MERCEDES-BENZ 4MATIC: Front axle drive module on longitudinally mounted platforms
Applications: Mercedes-Benz GLE, GLS, E-Class 4MATIC, and other AWD models with longitudinal engine platforms
This bearing is used in the front axle transfer case or drive module of Mercedes-Benz 4MATIC all-wheel drive systems, distributing torque to the front axle .
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Single-row tapered roller design supports combined radial and axial loads – suitable for Mercedes-Benz 4MATIC front axle drive module applications .
- Metric-series configuration with 40 mm bore and 90 mm outer diameter matches Koyo TR0809A, Timken 32308, and NTN 4T-32308 equivalents for direct replacement .
- Separable cup and cone construction simplifies installation and maintenance – inner ring with roller assembly can be mounted independently.
- Heat-treated bearing steel with precision-ground raceways – designed to handle the high axial loads and torque demands of all-wheel drive front axle modules .
- Cross-referenced with Mercedes-Benz OE TR0809A and major aftermarket brands – confirmed interchange available .
Installation Notes
- Confirm bore diameter (40.00 mm) and outer diameter (90.00 mm) match your existing bearing and housing before installation.
- This bearing is designed for the front axle drive module – verify correct placement and application before ordering .
- Inspect the shaft and housing for wear or damage – replace if scoring or pitting is present.
- Set bearing preload according to Mercedes-Benz service manual specifications – tapered rollers require proper adjustment for all-wheel drive system operation.
- Lubricate with high-quality gear oil or grease – refer to the Mercedes-Benz service manual for viscosity grade and lubrication method.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tapered roller bearings and automotive components to OE specifications. Contact us

