Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-500121
3303-ATN9 SKF Double Row Angular Contact Ball Bearing
3303-ATN9 SKF Double Row Angular Contact Ball Bearing
The 3303-ATN9 is a premium double row angular contact ball bearing from SKF, engineered for applications requiring high precision and the ability to handle combined radial and axial loads simultaneously. With a 30-degree contact angle and optimized double row design, this bearing delivers superior load capacity and reliability for demanding industrial applications.
Specifications:
- Bore Diameter (Inside): 17mm
- Outer Diameter: 47mm
- Width: 22.2mm
- Contact Angle: 30°
- Row Type: Double Row
- Brand: SKF
- Reference: 3303-ATN9
Key Features:
- Double row configuration for increased load capacity and versatility in handling both radial and axial loads
- Standard bearing steel construction for durability and long service life
- Polyamide cage design for lightweight operation, reduced friction, and reliable load distribution
- Open bearing design (no seal) for applications requiring unrestricted access and minimal maintenance requirements
- Normal radial clearance for optimal performance in standard applications
- Tolerance class P6 / ABEC 3 for precision engineering in industrial environments
- Standard version outer ring without flange or groove for flexible installation
- Operating temperature range: -20°C to +120°C
Applications:
This double row angular contact bearing is ideal for electric motors, gearboxes, machine tool spindles, pumps, compressors, and general industrial machinery where combined radial and axial loads are present. The compact 17mm bore size and double row design make it particularly suitable for precision equipment, automotive applications, and moderate to high-speed operations requiring reliable performance and extended service intervals.

