Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-507818
3309 NSK Double Row Angular Contact Ball Bearing 45mm x 100mm x 39.7mm
3309 NSK Double Row Angular Contact Ball Bearing
This premium NSK double row angular contact ball bearing is engineered for high-speed, precision applications requiring simultaneous radial and axial load capacity. The double row configuration delivers enhanced load-carrying capability compared to single row bearings, making it ideal for demanding industrial applications where combined loading conditions are critical. With robust construction and reliable performance, this bearing is a trusted choice for heavy-duty equipment across multiple industries.
Specifications:
- Bore diameter: 45mm
- Outer diameter: 100mm
- Width: 39.7mm
- Contact angle: 30-40° (standard)
- Row type: Double row
- Arrangement: Standard version
- Clearance: Normal radial clearance
- Cage material: Steel
- Raceway material: Standard bearing steel
- Seal type: Open bearing (unsealed)
- Tolerance class: P0/PN2 (ABEC 1)
- Operating temperature range: -20°C to +150°C
- Outer ring: Without flange or groove
- Reference number: 3309
- Manufacturer: NSK
Design & Performance Features:
- Double row configuration for superior load capacity and rigidity compared to single row alternatives
- Optimized contact angle for balanced radial and axial load handling
- Steel cage construction for durability and consistent performance in demanding conditions
- Standard bearing steel construction for reliable operation in industrial environments
- Extended operating temperature range (-20°C to +150°C) suitable for varied applications
- P0/PN2 (ABEC 1) tolerance class for standard precision requirements
- Non-flange outer ring design for versatile mounting flexibility
- Normal radial clearance for standard operating conditions
Typical Applications:
- Gearboxes and transmission systems requiring high load capacity
- Machine tool spindles and precision equipment
- Electric motors and generators
- Pumps, compressors, and fluid handling equipment
- Heavy-duty industrial machinery with combined loading conditions
- Automotive and aerospace applications
- Industrial equipment demanding robust performance under sustained loads
As an NSK product, this bearing represents premium quality from a globally recognized manufacturer, ideal for applications requiring reliable performance under combined radial and axial loads. The double row design ensures optimal load distribution and enhanced rigidity, making it an excellent choice for precision applications where performance and durability are essential.
