Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-520496
5311 S NTN Double Row Angular Contact Ball Bearing 55mm x 120mm x 49mm
5311 S NTN Double Row Angular Contact Ball Bearing
The 5311 S NTN Double Row Angular Contact Ball Bearing is a high-performance precision bearing engineered to handle simultaneous radial and axial loads in both directions. As a double row design from the renowned manufacturer NTN, this bearing delivers superior load capacity and stability, making it ideal for demanding heavy-duty industrial applications requiring reliable performance and extended operational life.
Bearing Specifications:
- Bore Diameter: 55mm
- Outer Diameter: 120mm
- Width: 49mm
- Row Type: Double Row
- Contact Angle: 30-40° (standard configuration)
- Seal Type: None (Open bearing)
- Cage Type: Sheet steel
- Clearance: Normal radial clearance
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +150°C
- Material: Standard bearing steel construction
- Arrangement: Standard version
Key Features:
- Double row configuration providing enhanced radial and axial load capacity in both directions
- Optimised contact angle for balanced load distribution and smooth operation
- Sheet steel cage construction ensuring reliable ball retention and reduced friction
- Open bearing design without flange or groove on outer ring for versatile installation
- Non-separable construction with excellent durability characteristics
- NTN manufacture delivering quality precision bearing solutions
- Extended temperature range from -20°C to +150°C ensuring dependable operation across varied industrial environments
- Standard bearing steel construction for superior durability and reliability
- Normal radial clearance optimised for precision applications
Applications:
The 5311 S is ideal for precision machinery and heavy-duty industrial equipment including gearboxes, spindles, machine tool spindles, pumps, compressors, and other rotating equipment requiring combined bidirectional radial and axial load handling. Its robust double row design and extended temperature range make it particularly suitable for demanding applications in diverse industrial environments where reliable performance with minimal play and enhanced load carrying capacity are essential. Perfect for equipment operating under moderate to heavy-duty conditions with simultaneous multi-directional loads.
Brand: NTN
