SKF 6208 ZTN9 C3 Deep Groove Ball Bearing - 40x80x18 mm

Built for demanding industrial applications of SKF 6208 ZTN9 C3 Bearing

The SKF 6208 ZTN9 C3 is a single-row deep groove ball bearing with dimensions 40 mm (bore) x 80 mm (outer diameter) x 18 mm (width).
This model features a ZTN9 reinforced polyamide cage and C3 internal clearance, making it suitable for high-speed, high-temperature, and vibration-intensive environments.
Engineered by SKF, it delivers exceptional performance, durability, and precision, commonly used in electric motors, pumps, conveyors, gearboxes, and industrial drives.

Thanks to its optimized design, the bearing ensures low friction, minimal wear, and long operational life, making it a preferred choice for OEM manufacturers, maintenance engineers, and industrial distributors.

Key features and advantages

• ZTN9 cage (reinforced polyamide) - lightweight yet strong, designed for high-speed and low-vibration operation.

• C3 internal clearance - provides greater tolerance for thermal expansion and axial displacement, ideal for continuous-duty operation.

• Reduced friction and noise - enhances energy efficiency and smooth performance in demanding machinery.

• Standardized dimensions (40x80x18 mm) - ensures interchangeability with other deep groove bearings.

• SKF precision quality - manufactured from high-grade bearing steel, offering superior reliability and long service life.

• Optimized for industrial use - suitable for mechanical drives, compressors, fans, and power transmission systems.

For B2B operations, this model offers a cost-effective, globally recognized, and maintenance-friendly solution that ensures long-term equipment uptime.

Technical specifications

• Type: Deep groove ball bearing, single row

• Model: SKF 6208 ZTN9 C3

• Bore diameter (d): 40 mm

• Outer diameter (D): 80 mm

• Width (B): 18 mm

• Internal clearance: C3 (increased)

• Cage material: ZTN9 - reinforced polyamide (glass fiber reinforced)

• Load direction: Radial with moderate axial capacity

• Material: High-quality bearing steel

• Sealing options: Open (standard), ZZ (shielded), 2RS (sealed)

This bearing can be installed individually or within a bearing housing unit, depending on design requirements.

Installation and maintenance recommendations

• Clean and inspect shaft and housing before installation.

• Mount using appropriate tools - avoid impact on bearing rings.

• Maintain proper alignment and preload during assembly.

• For open bearings, use SKF-approved lubricants to ensure maximum service life.

• Regularly inspect temperature, vibration, and noise levels in continuous-duty systems.

Adhering to these recommendations ensures long-term reliability, minimal downtime, and optimal machine performance.

FAQ - Common Questions About SKF 6208 ZTN9 C3

Q1: What does “ZTN9” mean in the SKF 6208 ZTN9 C3 designation?
ZTN9 indicates a reinforced polyamide cage, providing better strength, dimensional stability, and reduced weight compared to traditional steel cages.

Q2: What is the benefit of the C3 internal clearance?
C3 means increased internal clearance, allowing the bearing to operate safely under higher speeds and temperatures without risk of seizure.

Q3: Where is SKF 6208 ZTN9 C3 typically used?
Commonly used in electric motors, conveyors, pumps, compressors, and gearboxes — wherever high rotational accuracy and reliability are critical.

Q4: Is this bearing interchangeable with standard 6208 C3 models?
Yes - it has the same dimensions and load characteristics but features a polyamide cage for lighter, smoother operation.

Q5: Do you provide fast B2B delivery for this model?
Yes - this product is available from our warehouse in Lublin, with 24-hour dispatch across Poland and EU countries.