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Super Precision Angular Contact Ball Bearings 71807 CD/P4QBCB

Super Precision Angular Contact Ball Bearings 71807 CD/P4QBCB

The 71807 CD/P4QBCB is a super precision angular contact ball bearing with a 35mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2722 lbf and spins smoothly at high speeds up to 56,000 RPM.

Its 15° contact angle and matched set of four bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

Preloaded for light performance, this bearing is ideal for precision applications like machine tool spindles or high-speed robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.11kg, it’s a lightweight yet robust choice for precision engineering. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71807 CD/P4QBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 3892 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings 71807 CD/P4QBCB dimension drawing
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Features

How Does 71807 CD/P4QBCB Bearing Achieve Super Precision?

71807 CD/P4QBCB Bearing features a 15° contact angle, optimised for high-speed 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 2722 lbf, it handles demanding tasks with ease.
The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Operating at speeds up to 56,000 rpm, it maintains performance without compromising reliability.
The matched arrangement of four bearings ensures consistent load distribution and smooth operation.

Its open design allows for easy lubrication, reducing maintenance needs.
The temperature range of -30°C to 110°C ensures versatility in various environments.

Application

Key Fields for 71807 CD/P4QBCB Bearing
71807 CD/P4QBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability for demanding industrial applications.

In automotive systems, 71807 CD/P4QBCB Bearing supports high-speed components like turbochargers and electric motors. Its light preload and phenolic cage contribute to smooth operation under angular loads.

For medical imaging devices, 71807 CD/P4QBCB Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also enhances durability in sterile environments.

Automation systems benefit from 71807 CD/P4QBCB Bearing’s ability to handle both radial and axial loads in robotic arms. The lubricated design ensures long service life even with continuous use.

In consumer electronics, 71807 CD/P4QBCB Bearing is ideal for precision devices like 3D printers. Its compact size and high-speed capability make it a reliable choice for small-scale applications.

Q&A

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