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Super Precision Angular Contact Ball Bearings S71906 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings S71906 CD/P4AQBCC

The S71906 CD/P4AQBCC is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4185 lbf and operates smoothly at speeds up to 100,500 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and moderate preload (Class C) provide excellent stability for precision applications.

This bearing comes in a matched set of four (QBC arrangement), ideal for high-accuracy machinery like CNC spindles or measuring devices. It works reliably in temperatures from -30°C to 110°C.

Weighing just 0.2kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71906 CD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4185 lbf
  • Static Radial Load 4118 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings S71906 CD/P4AQBCC dimension drawing
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Features

Engineered for Precision: S71906 CD/P4AQBCC Bearing

S71906 CD/P4AQBCC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage minimises friction and wear.

With a dynamic radial load capacity of 4185 lbf, S71906 CD/P4AQBCC Bearing handles demanding conditions reliably.
The sealed design and grease lubrication contribute to smooth operation at speeds up to 100,500 rpm.

S71906 CD/P4AQBCC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees consistent performance in precision machinery.

The matched set of four bearings ensures balanced load distribution and enhanced stability.
This design reduces vibration, making it ideal for high-speed applications requiring accuracy.

Application

Key Fields for S71906 CD/P4AQBCC Bearing
S71906 CD/P4AQBCC 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, S71906 CD/P4AQBCC Bearing supports articulated arms, providing the necessary angular contact for precise movements. Its phenolic cage offers lightweight durability, ideal for repetitive tasks.

For medical imaging devices, S71906 CD/P4AQBCC Bearing’s chrome steel construction delivers reliable performance under consistent loads. The P4A tolerance class ensures minimal vibration, crucial for sensitive equipment.

In aerospace applications, S71906 CD/P4AQBCC Bearing handles both radial and axial loads efficiently. The matched arrangement of four bearings enhances stability in critical systems.

Automotive testing equipment benefits from S71906 CD/P4AQBCC Bearing’s high-speed capabilities. Its grease lubrication reduces maintenance needs, making it a practical choice for long-term use.

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