Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508487
3209 B-2RSRTNGC3 NSK Double Row Angular Contact Ball Bearing 45mm x 85mm x 30.2mm
3209 B-2RSRTNGC3 NSK Double Row Angular Contact Ball Bearing
The 3209 B-2RSRTNGC3 is a premium double row angular contact ball bearing from NSK, engineered to deliver exceptional performance in high-speed precision applications requiring combined radial and axial loads in both directions. This robust bearing combines advanced engineering with reliable construction, making it an ideal choice for demanding industrial and automotive applications.
Key Specifications:
- Bore Diameter: 45mm
- Outer Diameter: 85mm
- Width: 30.2mm
- Type: Double Row Angular Contact Ball Bearing
- Contact Angle: 40 degrees
- Manufacturer: NSK
- Reference Number: 3209B-2RSRTNGC3
Features & Benefits:
- 40-degree contact angle provides optimal load distribution and superior axial load capacity in both directions
- Double row design enables simultaneous handling of combined radial and axial loads
- Lip seals on both sides (2RS) offer superior protection from contamination and moisture while maintaining effective lubrication retention
- Polyamide cage construction reduces friction and weight for smooth, efficient operation
- Non-separable construction ensures secure and stable mounting
- Standard bearing steel material guarantees durability and long service life
- Low axial clearance configuration suitable for paired bearing arrangements in O- and X-configurations
- Slightly increased radial clearance accommodates standard mounting conditions with enhanced flexibility
- Wide temperature range of -20°C to +120°C for versatile operating environments
- P0/PN2 (ABEC 1) tolerance class ensures precision and reliability
- C3 internal clearance for optimized preload and load distribution
Typical Applications:
The 3209 B-2RSRTNGC3 is commonly used in:
- Automotive transmissions and gearboxes
- Industrial pumps and compressors
- Electric motors requiring bidirectional axial load support
- Machine tool spindles and precision rotating equipment
- High-speed turbomachinery
- Heavy-duty industrial equipment with demanding load requirements
- Applications requiring enhanced environmental protection from dust and moisture
The 45mm bore size and double row configuration with integrated lip seals make the 3209 B-2RSRTNGC3 particularly suitable for mid-range shaft applications where reliable performance under heavy combined loading, high-speed operation, and exposure to contaminants are critical concerns. NSK's precision engineering ensures consistent performance and durability in the most demanding industrial environments.

