Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508549
3309 BTNGC3 NSK Double Row Angular Contact Ball Bearing 45mm x 100mm x 39.7mm
3309 BTNGC3 NSK Double Row Angular Contact Ball Bearing
This premium NSK double row angular contact ball bearing is engineered to handle combined radial and axial loads simultaneously, making it an excellent choice for high-speed precision applications. The double row configuration provides superior load capacity compared to single row bearings, accommodating axial loads in both directions with exceptional performance and reliability. The 3309 BTNGC3 variant features a bearing pair arrangement with low axial clearance, ideal for precision equipment requiring minimal play.
Key Specifications:
- Bore Diameter: 45mm
- Outer Diameter: 100mm
- Width: 39.7mm
- Type: Double Row Angular Contact
- Contact Angle: 40°
- Manufacturer: NSK
- Arrangement: Bearing pair with low axial clearance in O- and X-arrangement
Features & Benefits:
- Double row design accommodates axial loads acting in both directions simultaneously
- Low axial clearance bearing pair arrangement for precise, controlled operation
- Versatile O- and X-configuration capability for flexible mounting applications
- Polyamide cage construction for smooth, consistent operation with reduced friction
- Slightly increased radial clearance for optimal bearing operation under varying load conditions
- Open bearing design (no seals) allowing for easy maintenance and inspection
- Non-separable construction for simplified installation
- Manufactured by NSK, a leading global bearing manufacturer renowned for quality and innovation
Technical Details:
- Material: Standard bearing steel
- Outer Ring: Without flange or groove
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +120°C
Ideal Applications:
The 3309 BTNGC3 is well-suited for demanding applications including gearboxes, electric motors, heavy-duty equipment, machine tool spindles, pumps, compressors, and other high-speed rotating equipment where combined bidirectional loads, precision, and exceptional reliability are critical requirements. The bearing pair configuration with low axial clearance makes it particularly valuable for applications requiring minimal play and superior positional accuracy.
Reference: 3309 BTNGC3 NSK
