Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-525612
3311-BD-XL FAG Angular Contact Ball Bearing 55mm x 120mm x 49.2mm
3311-BD-XL FAG Angular Contact Ball Bearing
The 3311-BD-XL is a premium double row angular contact ball bearing from FAG, engineered to deliver exceptional performance in demanding industrial applications requiring simultaneous radial and axial load handling. With its 55mm bore and 120mm outer diameter, this bearing offers superior load capacity and stability for heavy-duty equipment and machinery. FAG's precision engineering ensures reliable, consistent performance in the most challenging industrial environments.
Key Features:
- Double row configuration for enhanced load-carrying capacity and superior stability compared to single row designs
- 30° contact angle optimized for efficient distribution of combined radial and axial loads
- Sheet steel cage construction for reliable, cost-effective operation in heavy-duty industrial environments
- Open bearing design (unsealed) allowing for flexible lubrication strategies tailored to specific application requirements
- Standard arrangement suitable for various mounting configurations
- Compact dimensions: 55mm bore × 120mm outer diameter × 49.2mm width
- FAG quality engineering trusted for precision and durability
- Non-separable design for secure, reliable operation
Specifications:
- Reference: 3311-BD-XL
- Bore Diameter: 55mm
- Outer Diameter: 120mm
- Width: 49.2mm
- Row Type: Double row
- Contact Angle: 30 degrees
- Cage Material: Sheet steel
- Clearance: Normal radial clearance
- Seal Type: Open bearing (unsealed)
- Tolerance Class: P6/ABEC 3
- Material: Standard bearing steel
- Outer Ring Design: Without flange or groove
- Operating Temperature Range: -20°C to +150°C
- Arrangement: Standard version
- Brand: FAG
Design Benefits:
- Double Row Construction - Provides enhanced load capacity and exceptional stability compared to single row bearings, making it ideal for heavy-duty industrial applications requiring superior performance under sustained loading
- Optimized Contact Angle - The 30° contact angle ensures efficient handling of combined radial and axial forces, delivering smooth operation across a wide speed range
- Sheet Steel Cage - Offers robust performance in demanding industrial environments with excellent durability, load support, and cost-effectiveness
- Extended Temperature Range - Operating capability from -20°C to +150°C makes this bearing suitable for both cold and hot industrial environments
- Open Design - Allows custom lubrication strategies and easier maintenance for specific application requirements
- P6/ABEC 3 Tolerance Class - Delivers enhanced precision compared to standard P0 bearings, improving performance in demanding applications
Ideal Applications:
The 3311-BD-XL is particularly well-suited for heavy-duty industrial machinery and equipment requiring reliable bidirectional load capacity and enhanced precision:
- Gearboxes and transmission systems
- Industrial motors and high-power drives
- Machine tool spindles and precision equipment
- Pumps and compressors
- Industrial machinery and manufacturing equipment
- Heavy-duty applications in automotive and industrial sectors
- Equipment operating across wide temperature ranges
- Applications requiring paired bearing configurations for optimized load distribution
- High-precision applications requiring enhanced tolerance specifications
The double row design combined with FAG's precision engineering and P6 tolerance class makes the 3311-BD-XL an excellent choice for demanding industrial applications where reliability, load capacity, enhanced precision, and consistent performance are critical. Its extended temperature range and robust sheet steel cage construction ensure dependable operation in challenging industrial environments.
Reference Number: 3311-BD-XL
