Alternator Bearing B17-99D PFI 17x52x17 Fersa

Ball bearing for alternators and engine auxiliary systems

High durability and stable operation at high speeds

Main product description

The B17-99D PFI alternator bearing 17x52x17 is a precision ball bearing designed for use in automotive alternators and related electromechanical assemblies where reliability, resistance to high rotational speeds and long service life are critical. In the Polish market, this bearing is commonly searched under terms such as “B17-99D alternator bearing”, “PFI B17-99D”, “17x52x17 bearing” and “alternator ball bearing”, confirming its widespread use in the automotive and service sectors.

The bearing construction is optimized for operation under elevated temperatures, continuous rotation and vibration typical of alternator applications. Precisely machined raceways and rolling elements ensure smooth and quiet running, reducing friction and wear while maintaining stable performance throughout extended operating cycles.

The B17-99D alternator bearing efficiently supports radial loads and moderate axial loads, maintaining dimensional stability even at high speeds. With standardized dimensions 17x52x17, it fits seamlessly into dedicated alternator bearing housings and other compact electromechanical units used in vehicles and industrial equipment.

This bearing is valued by B2B customers, automotive workshops and parts distributors for its high durability, consistent technical parameters and dependable long-term performance. It is a practical solution for applications where minimizing downtime and ensuring reliable alternator operation are essential.

FAQ - Frequently Asked Questions

What is the B17-99D bearing used for?
It is primarily used in automotive alternators and engine auxiliary systems.

Is this a ball bearing?
Yes, it is a precision ball bearing designed for high-speed operation.

What are the dimensions of the B17-99D bearing?
Inner diameter 17 mm, outer diameter 52 mm, width 17 mm.

Is the bearing suitable for continuous operation?
Yes, it is designed for long-term, continuous alternator operation.

Is this bearing used only in automotive applications?
Mainly in alternators, but it can also be used in other compact electromechanical devices.