7520 DLG TNT G 18 High-Precision Angular Contact Ball Bearing Set (P5 Class, 25° Angle)

The 7520 DLG TNT G 18 is a premium, high-precision angular contact ball bearing (ACBB) specifically engineered for critical industrial applications demanding exceptional axial rigidity and high-speed stability. This Duplex Light Gauge (DLG) set is manufactured to Precision Class G (P5 equivalent), ensuring minimized run-out and optimal performance in machine tool spindles, precise gear drives, and high-performance pumps. The internal geometry is designed with a standard 25° contact angle, providing a superior balance of radial and axial load capacity, particularly effective under continuous high-thrust loads. Utilizing a low-friction, high-strength Polyamide cage (TNT), the 7520 DLG minimizes heat generation, allowing for higher limiting speeds and extending overall service life in thermally demanding environments. Optimized for installation in a precise back-to-back (DB) configuration, this bearing set delivers exceptional stiffness and moment rigidity necessary for maintaining tight tolerances under fluctuating operational loads. The advanced internal clearance control and superior surface finish reduce vibration and operational noise, contributing to a more stable machine performance. The robustness of the 7520 DLG TNT G 18 ensures reliable operation with reduced maintenance cycles, making it an indispensable component for OEM manufacturers and maintenance engineers focused on maximizing uptime and achieving micron-level precision in their heavy-duty industrial machinery.

Key Features

• High-Speed Capability: Utilizes low-friction Polyamide cage (TNT) optimized for elevated rotational speeds.
• Precision Class G (P5 Equivalent): Ensures extremely low run-out and high geometrical accuracy for critical positioning.
• Duplex Configuration (DLG): Factory-matched for superior axial and moment rigidity in DB (Back-to-Back) mounting.
• High Axial Load Capacity: 25° contact angle provides excellent resistance to unilateral thrust loads.
• Low Heat Generation: Designed internal geometry and cage material minimize friction and thermal expansion.
• Robust Design: Ideal for demanding industrial applications including CNC spindles, precision gearboxes, and large pumps.

Technical Specifications