6306DD Wheel Bearing
The DUHUI Bearing 6306DD deep groove ball bearing is a standard replacement component for industrial and automotive applications requiring a 30×72×19 mm bearing. This single-row ball bearing features rubber seals on both sides (DD) for enhanced contamination protection and grease retention. Manufactured to original equipment specifications including 6306DD, this bearing delivers dependable performance for compatible applications.
Technical Specifications
| Specification | mm | inch |
|---|---|---|
| DH Code | DWB3566 | |
| Part Number | 6306DD | |
| Product Type | Deep Groove Ball Bearing | |
| Row Type | Single Row | |
| Bore Diameter (d) | 30.00 mm | 1.181 in |
| Outside Diameter (D) | 72.00 mm | 2.835 in |
| Width (B) | 19.00 mm | 0.748 in |
| Seal Type | DD (Double Rubber Seal) | |
| Dynamic Load Rating (Cr) | 29,600 N | |
| Static Load Rating (C0r) | 16,000 N | |
| Limiting Speed – Grease | 8,000 rpm | |
| Weight | 0.35 kg | |
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: DWB3566
OE Numbers:
6306DD
Reference Numbers (Interchange):
6306LLU, 6306-2RS, 6306-2RZ
Vehicle Fitment
Application Type: This 6306DD bearing is a standard deep groove ball bearing used across multiple vehicle platforms and industrial applications.
Typical applications include: Electric motors, pumps, gearboxes, automotive transmissions, agricultural equipment, and general industrial machinery requiring a 30×72×19 mm bearing with rubber seals.
Please verify OE number, dimensions and application requirements before ordering.
Product Features
- Deep groove ball bearing design accommodates both radial and moderate axial loads in either direction.
- DD rubber seals on both sides provide excellent contamination protection and grease retention.
- Pre-lubricated with high-quality grease for immediate installation and extended service life.
- Manufactured from high-carbon chromium bearing steel for durability under load.
- Precision-ground raceways ensure smooth rotation and long service life.
- Interchangeable with standard 6306LLU, 6306-2RS, and 6306-2RZ bearings.
Installation Notes
- Confirm bore diameter is 30.00 mm (1.181 in), outside diameter is 72.00 mm (2.835 in), and width is 19.00 mm (0.748 in) before installation.
- This bearing is pre-lubricated and sealed – do not wash out the grease.
- Do not attempt to disassemble the bearing or remove the seals – this will cause permanent damage.
- Press the bearing onto the shaft or into the housing using appropriate tools – never strike with a hammer.
- Apply force only to the ring being fitted (inner ring for shaft mounting, outer ring for housing mounting).
- Inspect the shaft and housing surfaces for damage or wear before installing new components.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive and industrial bearing supplier established in Zhejiang, China, in 2003. DUHUI produces deep groove ball bearings and automotive components to OE specifications. Contact us
