1. Product Overview
The 6308ZZ single‑row deep groove ball bearing is fitted with double‑sided ZZ metal shields. It bears radial load plus moderate bidirectional axial load, widely used for medium‑speed general industrial equipment.
???? Get a quote within 24 hours for your project
2. ???? Key Advantages
- Double‑sided ZZ non‑contact metal shields for dust protection
- Pre‑greased for maintenance‑free running
- Low friction for stable medium‑high speed performance
- Handles radial and moderate two‑way axial loads
- Compact and durable universal structure
???? Helps reduce maintenance cost and improve machine performance
3. ???? Applications
This bearing is widely used in:
- Electric motors
- Cooling fans
- Gearboxes
- Conveyor rollers
- General‑purpose machinery
???? Ideal for customers looking for reliable and long‑life bearing solutions
4. Technical Specifications
| Item | Parameter |
|---|---|
| Model | 6308ZZ |
| Inner Diameter (ID) | 40 mm |
| Outer Diameter (OD) | 90 mm |
| Width | 23 mm |
| Structure | Single‑row deep groove ball bearing |
| Sealing Type | ZZ, double‑sided metal shield |
| Material | Chrome steel |
| Dynamic Load Rating | 42.3 kN |
| Static Load Rating | 24 kN |
| Limiting Speed(Grease) | 7800 rpm |
| Limiting Speed(Oil) | 10000 rpm |
| Weight | 0.635 kg |
| Gear Type | N/A |
???? Full technical data and drawings available upon request
5. ???? Why Choose GQZ Bearing
- 25+ years experience in industrial bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM & custom projects
- Strict quality control: raw material inspection, precision machining, heat treatment control, clearance & rotation testing, final inspection before delivery
- Fast response within 24 hours
- Stable supply for long‑term cooperation
???? We focus on quality, reliability, and long‑term partnership
6. ???? CTA
Looking for a reliable bearing supplier? Send your inquiry and get fast quotation, engineer technical support and competitive factory price within 24 hours.
7. FAQ
Q1: What does ZZ stand for?
ZZ means double‑sided non‑contact metal dust shields, good for dry and dusty environment, pre‑greased for maintenance‑free operation.
Q2: Can I replace 6308ZZ directly with 6308‑2RS?
Dimensions are interchangeable. ZZ is for dry dust‑prone conditions; 2RS rubber seal performs better against moisture but with slightly lower limiting speed.
Q3: Do you support OEM private logo for 6308ZZ?
Yes, private logo printing service is supported, certain MOQ will be required.
Q4: What is your warranty term?
12‑month warranty against manufacturing defects, excluding man‑made damage and improper installation.