Wheel Hub Bearings
Pre-sealed, pre-lubricated hub assemblies for passenger cars and light trucks.

About Wheel Hub Bearings
OTT wheel hub bearings feature double-row angular contact ball structure with inner diameters from 20–80mm and outer diameters from 40–120mm. Pre-lubricated with high-quality grease, sealed for life — no adjustment needed during installation. Cross-referenced to SKF, FAG, KOYO, NTN, NSK, SNR, and BCA standards. Over 200 models covering 40+ vehicle brands.
Key Features
- Double-row angular contact ball structure
- Pre-lubricated — no maintenance required
- Multiple seal types (A, B, C, D, E)
- Cross-reference to SKF, FAG, KOYO, NTN, NSK
- Carbonitriding (C-A) heat treatment option for 5–10× lifespan
Applications
Representative Models
DAC25520037 Wheel Hub Bearing
Compact wheel hub bearing for small passenger cars. Double-row angular contact ball structure, pre-sealed and pre-lubricated.
| Model | DAC25520037 |
| Inner Diameter (d) | 25 mm |
| Outer Diameter (D) | 52 mm |
| Width (B) | 37 mm |
| Width (C) | 37 mm |
| Weight | 0.31 kg |
| Structure | Ball type |
| Precision | P6 |
| Cross Reference | SKF: 445539A | FAG: 576467 |
DAC42800045 Wheel Hub Bearing
Medium-size wheel hub bearing for sedans and compact SUVs. Heavy-duty sealed design for extended service life.
| Model | DAC42800045 |
| Inner Diameter (d) | 42 mm |
| Outer Diameter (D) | 80 mm |
| Width (B) | 45 mm |
| Width (C) | 45 mm |
| Weight | 0.85 kg |
| Structure | Ball type |
| Precision | P6 |
DAC45840041/39 Wheel Hub Bearing
Full-size wheel hub bearing for mid-size sedans and SUVs. Available in multiple seal configurations.
| Model | DAC45840041/39 |
| Inner Diameter (d) | 45 mm |
| Outer Diameter (D) | 84 mm |
| Width (B) | 41 mm |
| Width (C) | 39 mm |
| Weight | 0.90 kg |
| Structure | Ball type |
| Precision | P6 |