Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-530864
3311 A-2ZTN9/C3VT113 SKF Angular Contact Ball Bearing 55mm x 120mm x 49.2mm
3311 A-2ZTN9/C3VT113 SKF Angular Contact Ball Bearing
This premium double row angular contact ball bearing from SKF is engineered to deliver exceptional performance in high-speed, precision applications requiring simultaneous radial and axial load handling. With its robust double row configuration, dual-sided covers, and slightly increased radial clearance, this bearing is ideal for demanding industrial applications where durability, protection from contamination, and consistent performance are essential.
Design & Construction
Angular contact ball bearings feature strategically displaced raceways in both the inner and outer rings, enabling them to accommodate complex loading conditions with exceptional efficiency. The double row configuration of the 3311 series provides superior load capacity and rigidity compared to single row designs.
- Double row configuration delivers enhanced load capacity and improved rigidity for heavy-duty applications
- Designed to accommodate axial loads acting in both directions simultaneously
- Capable of managing radial and combined loading with precision and stability
- Standard bearing steel construction ensures reliable performance under demanding conditions
- Dual covers on both sides provide effective protection against dust and contamination while allowing for controlled lubrication
- Slightly increased radial clearance optimizes performance under varying temperature and load conditions
- Outer ring without flange or groove for straightforward installation
- Standard arrangement for versatile industrial applications
Specifications
- Bore Diameter: 55mm
- Outside Diameter: 120mm
- Width: 49.2mm
- Row Type: Double Row
- Arrangement: Standard version
- Seal Type: Covers on both sides
- Radial Clearance: Slightly increased
- Material: Standard bearing steel
- Tolerance Class: P0/PN2 (ABEC 1)
- Outer Ring Design: Without flange or groove
- Manufacturer: SKF
- Reference Number: 3311 A-2ZTN9/C3VT113
Key Features
- Double row angular contact design for maximum load capacity and axial rigidity
- Bi-directional axial load capability ideal for precision applications
- Dual-sided covers offer superior protection against dust, moisture, and contamination
- Slightly increased radial clearance accommodates thermal expansion and operational variations
- Standard bearing steel construction for durability and strength
- ABEC 1 precision class for consistent and reliable performance
- Compact design suitable for tight tolerance requirements
Ideal Applications
This versatile double row angular contact bearing is perfectly suited for:
- Gearboxes and heavy-duty transmission systems
- Industrial machinery and equipment requiring bidirectional axial loading
- Machine tool spindles and precision equipment
- Electric motors and pumps with high radial and axial load requirements
- Compressors and industrial applications in moderately harsh environments
- Automotive and industrial transmissions
- Applications requiring enhanced load capacity in compact spaces
- High-speed precision applications with combined radial and axial loads in both directions
SKF angular contact bearings are recognised globally for their quality construction and reliable performance in demanding industrial environments. The 3311 A-2ZTN9/C3VT113 bearing combines proven engineering excellence with cost-effective operation and enhanced protection, making it an excellent choice for applications requiring dependable load handling capabilities with bidirectional axial load support.
In stock for immediate dispatch. Contact us if you require alternative seal types, clearances, or specifications.

