Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-507822
3311 C3 NSK Double Row Angular Contact Ball Bearing 55mm x 120mm x 49.2mm
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Product Specification
Arrangement
Standard version
Brand
NSK
Cage
Steel
Clearance
Slightly increased radial clearance
Contact angle
Without indication, usually 30-40 degrees
Inside Dia
55mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
120mm
Row Type
Double
Seal
None, open bearing
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
49.2mm
Reference
3311C3
Additional Reference:
10092742
Quick Order Code
BB-507822
Product Description
3311 C3 NSK Double Row Angular Contact Ball Bearing
The 3311 C3 NSK Double Row Angular Contact Ball Bearing is a high-performance precision bearing engineered to handle combined radial and axial loads simultaneously. This double row configuration provides exceptional load capacity and stiffness while maintaining a compact axial profile, making it an excellent choice for demanding industrial applications.
Key Specifications:
- Dimensions: 55mm bore × 120mm outer diameter × 49.2mm width
- Bearing Type: Double row angular contact
- Manufacturer: NSK - leading precision bearing manufacturer
- Contact Angle: 30-40 degrees for optimized load distribution
- Arrangement: Standard version, capable of handling axial loads in both directions
- Cage Material: Steel cage for reliable performance
- Clearance: C3 - slightly increased radial clearance for flexibility in demanding applications
- Seal Type: Open bearing (no seal)
- Material: Standard bearing steel construction
- Tolerance Class: P0/PN2 (ABEC 1) for precision performance
- Operating Temperature Range: -20°C to +150°C
- Outer Ring: Without flange or groove
Key Features & Benefits
- Double row design accommodates multi-directional loads with exceptional capacity
- Compact axial footprint compared to two separate single row bearings
- C3 clearance provides operational flexibility for applications with thermal expansion
- Provides rigid bearing arrangements ideal for precision applications
- Capable of accommodating tilting moments and complex loading scenarios
- Premium NSK quality and reliability standards
Typical Applications
This NSK bearing is ideal for use in:
- Gearboxes and transmission systems
- Machine tool spindles and precision equipment
- Pumps and compressors
- Industrial motors and generators
- Automotive differentials and axles
- Heavy-duty industrial machinery
- Applications requiring sealed or unsealed configurations
Reference Number: 3311 C3
