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Super Precision Angular Contact Ball Bearings 71907 CE/P4ADBA

Super Precision Angular Contact Ball Bearings 71907 CE/P4ADBA

The 71907 CE/P4ADBA is a super precision angular contact ball bearing, measuring 35mm by 55mm by 20mm. Made from chrome steel with a phenolic cage, it offers excellent durability and smooth operation.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 2812 lbf dynamically. It spins at high speeds, reaching up to 56,000 RPM, making it suitable for demanding applications.

The matched pair arrangement (DB) with extra light preload ensures precise performance and reduced vibration. Its open design allows for easy lubrication, maintaining optimal performance over time.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Compliant with P4A tolerance standards, it’s a reliable choice for engineers and technicians.

Weighing just 0.15kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a versatile option for replacements or upgrades.

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Product Parameters

  • Part Number 71907 CE/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 19
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2812 lbf
  • Static Radial Load 2092 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.15 kg
Super Precision Angular Contact Ball Bearings 71907 CE/P4ADBA dimension drawing
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Features

Performance Features of 71907 CE/P4ADBA Bearing

71907 CE/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2812 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotation.
With a maximum speed of 56,000 rpm, it delivers reliable performance in precision tasks.

71907 CE/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, enhancing operational smoothness.

The matched arrangement of two bearings (DB) provides stability and balanced load handling.
This design is ideal for applications requiring high precision and consistent performance.

Application

Industrial Uses of 71907 CE/P4ADBA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

Where Is 71907 CE/P4ADBA Bearing Used?
You’ll find this bearing in automotive transmissions, where its extra light preload helps maintain smooth gear shifts. Its metric sizing makes it a fit for many European car models.

Built for Heavy-Duty Use: 71907 CE/P4ADBA Bearing
In robotics, this bearing supports articulated arms, thanks to its chrome steel construction and high dynamic load capacity. The open design allows for easy lubrication in continuous operation.

Medical vs Industrial: Where 71907 CE/P4ADBA Bearing Excels
While it’s reliable in industrial pumps, this bearing also shines in medical imaging devices, where precision and low noise are key. The P4A tolerance class ensures consistent performance in both fields.

Practical Applications of 71907 CE/P4ADBA Bearing
For 3D printers, this bearing’s high-speed capability and angular contact design improve print accuracy. The matched arrangement reduces vibration, ensuring smoother movements.

Q&A

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