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Super Precision Angular Contact Ball Bearings 71907 CD/P4AQBCA
Super Precision Angular Contact Ball Bearings 71907 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71907 CD/P4AQBCA

The 71907 CD/P4AQBCA is a super precision angular contact ball bearing, measuring 35mm by 55mm by 40mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.

Designed for angular loads, it handles radial loads up to 5738 lbf and spins smoothly at speeds up to 56,000 RPM. The phenolic cage ensures quiet operation and long service life.

Its open design allows easy lubrication, while the extra-light preload (Class A) ensures minimal friction. Ideal for high-precision applications like machine tool spindles or medical equipment.

The bearing operates in temperatures from -30°C to 110°C and weighs just 0.3kg. Compliant with P4A tolerance standards, it’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 71907 CD/P4AQBCA
  • 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 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 5738 lbf
  • Static Radial Load 5850 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.3 kg

Features

How Does 71907 CD/P4AQBCA Bearing Ensure Precision in High-Speed Applications?

71907 CD/P4AQBCA Bearing features a 15° contact angle, optimised for angular contact loads and high-speed performance.
Its chrome steel rings and balls enhance durability, while the phenolic cage reduces friction for smoother operation.
With a maximum speed of 56,000 rpm, it maintains precision even under demanding conditions.
The P4A tolerance class ensures consistent accuracy, making it ideal for precision engineering tasks.

Application

Key Fields for 71907 CD/P4AQBCA Bearing
71907 CD/P4AQBCA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it ideal for high-speed operations.

In robotics, 71907 CD/P4AQBCA Bearing provides smooth movement for articulated arms, thanks to its extra light preload. The matched set of four bearings enhances stability in dynamic applications.

For medical imaging devices, 71907 CD/P4AQBCA Bearing’s P4A tolerance class guarantees consistent performance. Its chrome steel construction also resists wear in sterile environments.

Automotive testing equipment benefits from 71907 CD/P4AQBCA Bearing’s ability to handle radial and angular loads. The lubricated design ensures long service life even under continuous use.

In 3D printing, 71907 CD/P4AQBCA Bearing’s precision supports the fine movements of print heads. The open seal type allows for easy maintenance in dusty workshop conditions.

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