Super Precision Angular Contact Ball Bearings 71819 CD/HCP4DBA

Super Precision Angular Contact Ball Bearings 71819 CD/HCP4DBA

The 71819 CD/HCP4DBA is a super precision angular contact ball bearing with a 95mm bore and 120mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 8055 lbf.

The matched pair arrangement (DB) with extra light preload offers excellent stability for precision machinery. Made from chrome steel with a phenolic cage, it handles speeds up to 15,000 RPM and temperatures from -30°C to 110°C.

Ideal for CNC spindles or high-precision tools where accuracy is crucial. The open design allows easy lubrication, while the P4 tolerance class guarantees consistent performance.

Weighing 0.53kg, this bearing is robust yet lightweight for its size. It’s interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 71819 CD/HCP4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 32
  • Contact Angle 15°
  • Tolerance Class P4
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 8055 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.53 kg

Features

Performance Features of 71819 CD/HCP4DBA Bearing

71819 CD/HCP4DBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 8055 lbf, it handles demanding conditions reliably.
Its phenolic cage ensures stable performance at high speeds, up to 15,000 rpm.

The extra-light preload (Class A) minimises vibration, making it ideal for precision tasks.
Its matched arrangement (DB) provides balanced performance in paired installations.

Operating between -30°C to 110°C, 71819 CD/HCP4DBA Bearing suits varied environments.
The open design allows easy lubrication, extending service life with minimal maintenance.

Application

Practical Applications of 71819 CD/HCP4DBA Bearing
In high-speed machine tools, 71819 CD/HCP4DBA Bearing excels with its ceramic balls and phenolic cage, reducing friction and heat buildup. The 15° contact angle ensures stable performance under radial and axial loads.

Where Is 71819 CD/HCP4DBA Bearing Used?
You’ll often find 71819 CD/HCP4DBA Bearing in precision equipment like CNC spindles, where its P4 tolerance guarantees accuracy. The matched pair design (DB arrangement) enhances rigidity for demanding applications.

Optimized for Performance: 71819 CD/HCP4DBA Bearing
This bearing’s extra-light preload makes it ideal for robotics, ensuring smooth motion without excessive resistance. The chrome steel rings and ceramic balls extend service life even in continuous operation.

Automotive vs Aerospace: Applications of 71819 CD/HCP4DBA Bearing
In automotive testing rigs, 71819 CD/HCP4DBA Bearing handles high RPMs reliably, while aerospace applications benefit from its lightweight ceramic components. The temperature range (-30°C to 110°C) suits both environments.

Essential Roles of 71819 CD/HCP4DBA Bearing
For medical imaging devices, 71819 CD/HCP4DBA Bearing’s low vibration and noise are critical. The lubricated design ensures consistent performance in sensitive diagnostic equipment.

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