Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-520486
5306 S NTN Double Row Angular Contact Ball Bearing 30mm x 72mm x 30.2mm
5306 S NTN Double Row Angular Contact Ball Bearing
The 5306 S is a robust double row angular contact ball bearing from NTN, a trusted global manufacturer of precision bearing solutions. This bearing is engineered to deliver reliable performance in demanding industrial applications requiring simultaneous radial and axial load handling. With its 30mm bore and 72mm outer diameter, the 5306 S offers an excellent balance of load capacity and compact design for heavy-duty equipment and machinery.
Key Features:
- Double row configuration for enhanced load-carrying capacity and superior stability
- 30-40° contact angle for optimal distribution of combined radial and axial loads
- Sheet steel cage construction for reliable, cost-effective operation in heavy-duty environments
- Open bearing design (unsealed) allowing for flexible lubrication strategies tailored to specific application requirements
- Standard arrangement suitable for various mounting configurations
- Compact dimensions: 30mm bore × 72mm outer diameter × 30.2mm width
- NTN quality engineering trusted for precision and durability
- Non-separable design for secure, reliable operation
Specifications:
- Reference: 5306S
- Bore Diameter: 30mm
- Outer Diameter: 72mm
- Width: 30.2mm
- Row Type: Double row
- Contact Angle: 30-40 degrees
- Cage Material: Sheet steel
- Clearance: Normal radial clearance
- Seal Type: Open bearing (unsealed)
- Tolerance Class: P0/PN2 (ABEC 1)
- Material: Standard bearing steel
- Outer Ring Design: Without flange or groove
- Operating Temperature Range: -20°C to +150°C
- Arrangement: Standard version
Design Benefits:
- Double Row Construction - Provides enhanced load capacity and exceptional stability compared to single row bearings, ideal for heavy-duty industrial applications
- Optimized Contact Angle - The 30-40° contact angle ensures efficient handling of combined radial and axial forces at moderate to high speeds
- Sheet Steel Cage - Offers robust performance in demanding industrial environments with excellent durability and load support
- 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
Ideal Applications:
The 5306 S is particularly well-suited for heavy-duty industrial machinery and equipment requiring reliable bidirectional load capacity:
- Gearboxes and transmission systems
- Electric motors and industrial 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
The double row design combined with NTN's precision engineering makes the 5306 S an excellent choice for demanding industrial applications where reliability, load capacity, and consistent performance are critical. Its extended temperature range and robust sheet steel cage construction ensure dependable operation in challenging industrial environments.
Reference Number: 5306S
