Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-526871
3209 JC3 NSK Double Row Angular Contact Ball Bearing 45mm x 85mm x 30.2mm
3209 JC3 NSK Double Row Angular Contact Ball Bearing
This premium double row angular contact ball bearing from NSK is engineered for demanding applications requiring simultaneous radial and axial load capacity. The bearing features a steel cage construction and slightly increased radial clearance (JC3), making it ideal for high-speed operations and elevated temperature environments.
Product Specifications:
- Bore Diameter: 45mm
- Outer Diameter: 85mm
- Width: 30.2mm
- Configuration: Double Row
- Cage Material: Steel
- Clearance: Slightly increased radial clearance (JC3)
- Contact Angle: 30-40 degrees for optimal load distribution
- Seal Type: Open bearing (no seals)
- Material: Standard bearing steel
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +150°C
- Outer Ring: Without flange or groove
- Manufacturer: NSK
- Reference Number: 3209JC3
Design & Performance Features:
Angular contact ball bearings are specifically designed with angularly displaced raceways on the inner and outer rings to handle combined loading conditions. This double row configuration provides:
- Accommodation of axial loads in both directions simultaneously
- Compact axial profile compared to two separate single row bearings
- Enhanced stiffness for rigid bearing arrangements
- Excellent tilting moment capacity and load distribution
- JC3 clearance allows for controlled expansion at elevated temperatures and high-speed operation
- Steel cage provides robust durability and reliable performance under demanding conditions
- Open bearing design allows for easy lubrication and maintenance
Typical Applications:
- Gearboxes and transmission systems
- High-speed spindles and precision machinery
- Heavy-duty industrial equipment
- Automotive and aerospace components
- Machine tool applications requiring precision alignment
- Industrial motors and generators
- Applications operating in elevated temperature environments
- Sealed or externally lubricated systems requiring an open bearing design
The NSK 3209 JC3 combines exceptional load-carrying capability with high-speed performance, making it an excellent choice for precision industrial applications where reliable axial and radial load management is essential.

