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Super Precision Angular Contact Ball Bearings 71907 CD/P4A

Super Precision Angular Contact Ball Bearings 71907 CD/P4A

The 71907 CD/P4A 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 space-sensitive applications.

With a 15° contact angle, it efficiently handles both radial and axial loads, supporting dynamic radial loads up to 2194 lbf. It operates smoothly at high speeds, reaching up to 40,000 RPM.

The open design allows for easy lubrication, while the phenolic cage ensures durability and quiet operation. Its P4 tolerance class (equivalent to ABEC-7) guarantees exceptional precision.

Ideal for high-speed machinery like spindles or precision tools, it performs reliably in temperatures from -30°C to 110°C. Weighing just 0.074kg, it’s lightweight yet robust for demanding applications.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Its preload availability ensures optimal performance in precision setups.

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Product Parameters

  • Part Number 71907 CD/P4A
  • 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 5.556 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1474 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.074 kg
  • Price（$） 255.924
Super Precision Angular Contact Ball Bearings 71907 CD/P4A dimension drawing
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Features

How Does 71907 CD/P4A Bearing Achieve Super Precision?

71907 CD/P4A 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 reduces friction and noise.

With a dynamic radial load capacity of 2194 lbf, it handles demanding operations smoothly.
The P4 tolerance class (ABEC-7) guarantees exceptional accuracy for precision machinery.

Operating at speeds up to 40,000 rpm, it balances performance and reliability.
Its open design allows for easy lubrication, maintaining efficiency over time.

Application

Industrial Uses of 71907 CD/P4A Bearing
The 71907 CD/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. Its open seal type allows for efficient lubrication, extending service life in demanding conditions.

Where Is 71907 CD/P4A Bearing Used?
You’ll find the 71907 CD/P4A Bearing in automotive applications like electric motor systems, where its 15° contact angle handles combined loads smoothly. The phenolic cage reduces friction, making it ideal for high-speed operations.

Perfect Fit for Automation: 71907 CD/P4A Bearing
In robotic arms and automated assembly lines, the 71907 CD/P4A Bearing offers reliable performance due to its P4 tolerance class. Its chrome steel construction ensures durability even under continuous use.

Medical vs Industrial: Where 71907 CD/P4A Bearing Excels
While the 71907 CD/P4A Bearing suits industrial gearboxes, it also shines in medical imaging devices where low vibration is critical. The balanced load capacity makes it versatile across different fields.

Key Fields for 71907 CD/P4A Bearing
From CNC machinery to precision measuring instruments, the 71907 CD/P4A Bearing delivers consistent performance. Its high-speed capability and low heat generation are key advantages in these applications.

Q&A

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