+86 15806631151
info@sdtflbearing.com
The S71904 ACE/P4ADT is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with two bearings matched for duplex mounting.
This bearing handles radial loads up to 1712 lbf and spins smoothly at speeds up to 75,000 RPM, thanks to its phenolic cage and grease lubrication. Its P4A tolerance class ensures exceptional accuracy for precise applications.
The matched pair design with preload offers stability, making it ideal for high-speed machinery like spindles or CNC equipment. It operates reliably in temperatures from -30°C to 110°C.
Weighing just 0.07kg, it’s lightweight yet durable. Compliant with interchangeability to SKF bearings, it’s a practical choice for replacements or upgrades in precision engineering.
"*" indicates required fields
How Is S71904 ACE/P4ADT Bearing Engineered for Reliability?
S71904 ACE/P4ADT Bearing features a 25° contact angle, optimised for angular contact loads and high-speed applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation.
With a dynamic radial load capacity of 1712 lbf, it handles demanding conditions efficiently.
Its sealed design and grease lubrication reduce maintenance needs, extending service life.
Why Choose S71904 ACE/P4ADT Bearing for Precision Tasks?
S71904 ACE/P4ADT Bearing is designed with a P4A tolerance class, ensuring exceptional precision for critical applications.
The matched arrangement of two bearings provides stability and balanced load distribution.
Its maximum speed of 75,000 rpm makes it suitable for high-performance machinery.
The phenolic cage minimises friction, contributing to quieter operation.
Built for Reliability: S71904 ACE/P4ADT Bearing
S71904 ACE/P4ADT Bearing’s chrome steel construction resists wear, even under heavy radial loads.
The sealed design protects against contaminants, ensuring consistent performance in harsh environments.
With a static radial load capacity of 1012 lbf, it offers reliable support for precision equipment.
Its compact size (20 mm×37 mm×18 mm) makes it ideal for space-constrained applications.
Steel vs Ceramic Bearings: Strengths of S71904 ACE/P4ADT Bearing
S71904 ACE/P4ADT Bearing uses chrome steel for rings and balls, balancing cost and performance.
The phenolic cage reduces weight and noise, unlike metal cages in some ceramic bearings.
Its high-speed capability (75,000 rpm) rivals ceramic options while maintaining affordability.
The sealed design ensures long-term reliability without frequent relubrication.
What Ensures Smooth Operation in S71904 ACE/P4ADT Bearing?
S71904 ACE/P4ADT Bearing’s precision-ground raceways minimise vibration during high-speed rotation.
The phenolic cage maintains ball alignment, reducing friction and noise.
Grease lubrication ensures consistent performance across its temperature range (-30°C to 110°C).
With 14 balls evenly distributed, load handling is smooth and efficient.
Super Precision Angular Contact Ball Bearings S71904 ACE/P4ADT are commonly used in high-speed machine tools, where their 25° contact angle ensures smooth rotation under heavy loads. The sealed design helps maintain lubrication, reducing maintenance needs in demanding environments.
In robotics, S71904 ACE/P4ADT supports precise movements in articulated arms, thanks to its matched bearing arrangement and P4A tolerance class. This makes it ideal for applications requiring repeatable accuracy.
For medical imaging devices, S71904 ACE/P4ADT’s chrome steel construction provides reliable performance in critical settings. The phenolic cage offers low friction, ensuring quiet operation during sensitive procedures.
In automotive applications, S71904 ACE/P4ADT is often found in electric vehicle motors, where its high-speed capability and grease lubrication suit continuous operation. The compact size fits well in space-constrained designs.
"*" indicates required fields
