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Super Precision Angular Contact Ball Bearings 71919 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71919 ACDGA/HCP4A

The 71919 ACDGA/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, designed for high-performance applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 10395 lbf.

This open-type bearing features a phenolic cage and chrome steel rings, offering durability and low friction. It can handle speeds up to 16000 RPM and operates in temperatures from -30°C to 110°C.

With an extra light preload and P4A tolerance class, it provides exceptional accuracy. The bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for machine tools or high-speed spindles, this 0.5kg unit is interchangeable with SKF bearings. Its lubricated design ensures long service life in demanding conditions.

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Product Parameters

  • Part Number 71919 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 10395 lbf
  • Static Radial Load 11700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.5 kg
  • Price（$） 343.629
Super Precision Angular Contact Ball Bearings 71919 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 71919 ACDGA/HCP4A Bearing

71919 ACDGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 16,000 rpm.
With a dynamic radial load capacity of 10,395 lbf, it handles demanding conditions reliably.

71919 ACDGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in high-accuracy applications.

The open design allows for easy lubrication, maintaining optimal performance over time.
Its universal matching capability supports flexible configurations like back-to-back or tandem arrangements.

Application

Key Fields for 71919 ACDGA/HCP4A Bearing
71919 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for demanding applications.

In aerospace components, 71919 ACDGA/HCP4A Bearing handles angular contact loads with reliability, making it suitable for gearboxes and rotor systems. Its lightweight design and high-speed capability are ideal for aviation environments.

For medical imaging devices, 71919 ACDGA/HCP4A Bearing’s smooth operation and low vibration contribute to accurate diagnostics. The chrome steel rings provide durability in continuous-use scenarios.

Automation systems benefit from 71919 ACDGA/HCP4A Bearing’s extra light preload, ensuring responsive movement in robotic arms. The open design allows for easy lubrication maintenance.

In precision measuring equipment, 71919 ACDGA/HCP4A Bearing’s consistent performance supports accurate readings. The ceramic balls minimise wear, extending the bearing’s service life.

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