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Super Precision Angular Contact Ball Bearings S71904 CDGC/P4A

Super Precision Angular Contact Ball Bearings S71904 CDGC/P4A

The S71904 CDGC/P4A is a super precision angular contact ball bearing with a compact size of 20mm by 37mm by 9mm, made from high-quality chrome steel. It features a 15° contact angle and comes sealed for protection, with a phenolic cage for durability.

This bearing handles dynamic radial loads up to 1361 lbf and spins smoothly at speeds up to 75,000 RPM. Its moderate preload (Class C) ensures stable performance in high-precision applications.

The sealed design keeps grease in and contaminants out, making maintenance minimal. It’s available in matched sets of four, suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for machine tools, spindles, or other high-speed applications where precision is key. Compliant with P4A tolerance standards for reliable performance. Weighing just 0.037kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number S71904 CDGC/P4A
  • 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 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1361 lbf
  • Static Radial Load 720 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 75000 rpm
  • Weight 0.037 kg
Super Precision Angular Contact Ball Bearings S71904 CDGC/P4A dimension drawing
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Features

Performance Features of S71904 CDGC/P4A Bearing

S71904 CDGC/P4A Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.

Its 15° contact angle ensures optimal load distribution, enhancing performance in high-speed scenarios.

The phenolic cage maintains ball alignment, reducing friction and extending operational life.

With a maximum speed of 75,000 rpm, it delivers reliable efficiency in demanding conditions.

Application

Common Applications of S71904 CDGC/P4A Bearing
S71904 CDGC/P4A Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In robotics, S71904 CDGC/P4A Bearing provides reliable angular contact support for robotic arms and automated systems. Its phenolic cage reduces friction, making it ideal for repetitive, high-precision movements.

For medical imaging devices, S71904 CDGC/P4A Bearing’s chrome steel construction offers durability and consistent performance. The P4A tolerance class ensures the high accuracy needed in sensitive diagnostic equipment.

Automotive applications like electric vehicle motors benefit from S71904 CDGC/P4A Bearing’s ability to handle both radial and axial loads. Its grease lubrication and sealed design make it a low-maintenance option for long-term use.

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