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Super Precision Angular Contact Ball Bearings S71904 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings S71904 ACD/P4ADGA

The S71904 ACD/P4ADGA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection, with a phenolic cage for smooth operation.

This bearing handles radial loads up to 2106 lbf and spins at speeds up to 100,000 RPM, making it suitable for high-performance applications. Its extra-light preload ensures minimal friction and precise movement.

The universal matching design allows flexible arrangements like back-to-back or face-to-face setups. Ideal for precision machinery, spindles, or high-speed tools where accuracy is key.

Weighing just 0.074kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it operates smoothly in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71904 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2106 lbf
  • Static Radial Load 1372 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.074 kg
  • Price（$） 191.736
Super Precision Angular Contact Ball Bearings S71904 ACD/P4ADGA dimension drawing
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Features

Performance Features of S71904 ACD/P4ADGA Bearing

S71904 ACD/P4ADGA Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal performance in angular contact applications.
The sealed design and grease lubrication enhance longevity, even at high speeds up to 100,000 rpm.
With a dynamic radial load capacity of 2106 lbf, it handles demanding tasks with ease.

Why Choose S71904 ACD/P4ADGA Bearing for Precision Tasks?

S71904 ACD/P4ADGA Bearing features a phenolic cage, reducing friction and noise for smooth operation.
Its P4A tolerance class guarantees exceptional accuracy, ideal for high-precision machinery.
The universal matching design allows flexible arrangements like back-to-back or face-to-face.
With a temperature range of -30°C to 110°C, it performs reliably in various environments.

Engineered for Precision: S71904 ACD/P4ADGA Bearing

S71904 ACD/P4ADGA Bearing’s extra light preload ensures minimal friction and enhanced efficiency.
The 15 chrome steel balls and 4.762 mm ball diameter contribute to its high-speed capability.
Its matched set of two bearings provides balanced performance for critical applications.
The compact size of 20 mm×37 mm×18 mm makes it suitable for space-constrained installations.

Application

Key Fields for S71904 ACD/P4ADGA Bearing
S71904 ACD/P4ADGA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction keeps contaminants out, extending service life in demanding environments.

In robotics, S71904 ACD/P4ADGA Bearing supports articulated arms, providing smooth motion and reliability. Its universal matching feature allows flexible installation in various configurations.

For medical imaging devices, S71904 ACD/P4ADGA Bearing’s phenolic cage reduces friction, ensuring quiet operation. The P4A tolerance class guarantees the consistency needed for sensitive equipment.

S71904 ACD/P4ADGA Bearing also fits well in small electric motors, where its grease lubrication and high-speed capability enhance efficiency. The compact size makes it ideal for space-constrained applications.

Q&A

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