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Super Precision Angular Contact Ball Bearings S71907 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71907 CB/HCP4A

The S71907 CB/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. Its compact 10mm width makes it suitable for tight spaces while maintaining robust performance.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 1141 lbf dynamically. The ceramic balls and phenolic cage ensure smooth operation at speeds up to 40,000 RPM.

Sealed for protection, this bearing comes pre-lubricated and is available with preload or matched arrangements for enhanced stability. It operates reliably in temperatures from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or medical equipment, where accuracy and speed are crucial. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

Weighing just 0.077kg, it’s lightweight yet durable, offering excellent performance in demanding environments.

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Product Parameters

  • Part Number S71907 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1141 lbf
  • Static Radial Load 821 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.077 kg
  • Price（$） 37.152
Super Precision Angular Contact Ball Bearings S71907 CB/HCP4A dimension drawing
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Features

Why Choose S71907 CB/HCP4A Bearing for Precision Tasks?

S71907 CB/HCP4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 40,000 rpm.

The phenolic cage enhances durability and reduces friction, contributing to longer service life.
With a P4 tolerance class, it delivers consistent performance in demanding applications.

Sealed design keeps lubrication intact, minimising maintenance needs.
The bearing’s compact size (35 mm×55 mm×10 mm) makes it suitable for space-constrained installations.

Application

Ideal for Precision: S71907 CB/HCP4A Bearing
S71907 CB/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for prolonged operations.

In robotics, S71907 CB/HCP4A Bearing provides smooth movement for articulated arms, thanks to its phenolic cage and sealed design. This helps maintain performance even in dusty environments.

For medical imaging devices, S71907 CB/HCP4A Bearing’s P4 tolerance class guarantees the precision needed for clear scans. The lubricated construction also ensures quiet operation, which is essential in healthcare settings.

Automotive applications like electric vehicle motors benefit from S71907 CB/HCP4A Bearing’s ability to handle both radial and axial loads. Its compact size fits well in tight spaces without compromising performance.

In 3D printers, S71907 CB/HCP4A Bearing’s high-speed capability supports precise layer deposition. The matched arrangement option further enhances alignment for consistent print quality.

Q&A

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