Wheel Bearing Kits VKBA3778 For MAZDA
The DUHUI Bearing VKBA3778 front wheel bearing kit (DBK516) is a direct-fit OE replacement kit designed for the front axle of the 1998-2005 Mazda MX-5 II (NB). This front wheel bearing kit includes the hub assembly and retaining nut for a complete installation . Manufactured to match original equipment (OE) specifications including Mazda part number NA23-33-04XA, this wheel bearing kit delivers reliable performance for this iconic sports car application .
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | DBK516 |
| Part Number | VKBA3778 |
| Product Type | Wheel Bearing Kit |
| Installation Location | Front Axle |
| Flange Diameter | 121.90 mm (4.800 in) |
| Bolt Circle Diameter | 100.00 mm (3.937 in) |
| Wheel Pilot Diameter | 54.10 mm (2.130 in) |
| Brake Pilot Diameter | 55.10 mm (2.170 in) |
| Flange Offset | 54.10 mm (2.130 in) |
| Hub Pilot Diameter | 60.96 mm (2.400 in) |
| Rim Hole Number | 4 |
| Kit Contents | Hub × 1, Nut × 1 |
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:
DBK516
OE Numbers:
VKBA3778, NA23-33-04XA, ADM58216, BK1053, 713615690, J4703016, R170.33
Reference Numbers (Interchange):
SKF: VKBA3778
FAG: 713615690
SNR: R170.33
TIMKEN: 513261
Blue Print: ADM58216
A.B.S.: 200741
Vehicle Fitment
MAZDA MX-5 II (NB): 1998–2005
1.6 16V (NB6C) – 1998-2005
1.8 16V (NB8C) – 1998-2005
Position: Front Axle (both driver and passenger sides)
Important Notes:
– This kit covers one wheel; order two for a full axle.
– Compatible with 4-Hole wheel mounting patterns.
– This is the front hub bearing assembly for NB MX-5. The rear uses a different part .
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Mazda MX-5 NB. Matches OE specifications NA23-33-04XA.
- Complete wheel bearing kit includes hub assembly and retaining nut for a hassle-free installation.
- Pre-set, pre-lubricated, and sealed – maintenance-free design.
- Precision-engineered to meet the performance demands of sports car applications.
- 4-bolt flange configuration for secure front axle mounting.
Installation Notes
- Verify your vehicle is a 1998-2005 Mazda MX-5 NB before ordering.
- Compare flange diameter (121.90 mm) and bolt circle (100.00 mm) against your original hub before installing .
- This kit fits both front driver and passenger sides. Sold individually.
- Torque the axle nut to manufacturer specification (refer to service manual).
- Do not use an impact wrench to tighten axle nuts – over-torquing can damage the bearing.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces wheel hub assemblies and related components to OE specifications. Contact us
