Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-507819
3309 C3 NSK Double Row Angular Contact Ball Bearing 45mm x 100mm x 39.7mm
3309 C3 NSK Double Row Angular Contact Ball Bearing
This reliable double row angular contact ball bearing from NSK is engineered to handle combined radial and axial loads simultaneously, making it an excellent choice for industrial applications requiring robust performance and dependable operation.
Design & Construction
The double row configuration provides enhanced load capacity and stiffness in a compact form factor, making it ideal for space-constrained mounting arrangements.
- Double Row Configuration: Delivers the strength and stiffness of two single row bearings in a compact axial space
- Angular Contact Design: Strategically displaced raceways accommodate complex loading conditions with exceptional efficiency
- Steel Cage Construction: Durable steel cage ensures reliable ball retention and consistent performance
- C3 Clearance Specification: Slightly increased radial clearance allows for controlled internal expansion at higher operating speeds and elevated temperatures
- Open Design: Unsealed bearing for applications where lubrication management is externally controlled
- Standard Tolerance Class: P0/PN2 (ABEC 1) precision for general industrial applications
Specifications
- Bore Diameter: 45mm
- Outside Diameter: 100mm
- Width: 39.7mm
- Row Type: Double Row
- Cage Material: Steel
- Clearance: C3 (Slightly increased radial clearance)
- Contact Angle: 30-40 degrees (standard)
- Seal Type: Open bearing (unsealed)
- Temperature Range: -20°C to +150°C
- Material: Standard bearing steel
- Manufacturer: NSK
- Reference Number: 3309C3
Ideal Applications
Perfect for electric motors, pumps, compressors, gearboxes, fans, and other rotating equipment where combined radial and axial loading is present. Suitable for moderate to high-speed industrial machinery and heavy-duty equipment where reliable performance and cost-effectiveness are important considerations.
