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Super Precision Angular Contact Ball Bearings 71813 CDGB/P4

Super Precision Angular Contact Ball Bearings 71813 CDGB/P4

The 71813 CDGB/P4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from durable chrome steel. Its compact 10mm width makes it suitable for tight spaces while handling radial loads up to 3038 lbf.

With a 15° contact angle and light preload, it offers smooth operation at high speeds up to 36,000 RPM. The phenolic cage ensures quiet performance and longevity, even in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, allowing flexible arrangements like back-to-back or face-to-face mounting. Ideal for precision applications such as machine tool spindles or high-speed robotics.

Weighing just 0.13kg, it meets P4 tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it’s a reliable choice for demanding industrial uses.

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Product Parameters

  • Part Number 71813 CDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71813 CDGB/P4 dimension drawing
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Features

Performance Features of 71813 CDGB/P4 Bearing

71813 CDGB/P4 Bearing is designed with a 15° contact angle, optimising load distribution for 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 3038 lbf, it handles demanding conditions effectively.
The P4 tolerance class guarantees high precision, making it suitable for critical applications.

71813 CDGB/P4 Bearing operates smoothly at speeds up to 36,000 rpm, balancing performance and reliability.
Its temperature range of -30°C to 110°C ensures consistent operation in various environments.

The open design allows for easy lubrication, maintaining optimal performance over time.
Weighing just 0.13 kg, it offers a lightweight yet robust solution for precision machinery.

Application

Key Fields for 71813 CDGB/P4 Bearing
71813 CDGB/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

In robotics, 71813 CDGB/P4 Bearing provides smooth motion control for articulated arms, thanks to its light preload and phenolic cage. Its 15° contact angle balances radial and axial loads effectively.

For medical imaging devices like CT scanners, 71813 CDGB/P4 Bearing’s P4 tolerance class guarantees minimal vibration during operation. The chrome steel construction also resists wear in continuous-use environments.

Automotive applications include electric vehicle motors, where 71813 CDGB/P4 Bearing handles high rotational speeds reliably. Its metric sizing makes it a versatile choice for various motor designs.

Q&A

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