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Super Precision Angular Contact Ball Bearings 7214 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 7214 ACD/HCP4ADGA

The 7214 ACD/HCP4ADGA is a super precision angular contact ball bearing with a 70mm bore and 125mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 24300 lbf and spins smoothly at speeds up to 28000 RPM.

Its 25° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The bearing comes pre-lubricated and works in temperatures from -30°C to 110°C.

Designed for universal matching, it can be arranged back-to-back, face-to-face, or tandem. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing 1.9kg, it’s robust yet manageable. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7214 ACD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 24300 lbf
  • Static Radial Load 24750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.9 kg
  • Price（$） 775.395
Super Precision Angular Contact Ball Bearings 7214 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of 7214 ACD/HCP4ADGA Bearing

7214 ACD/HCP4ADGA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
The chrome steel rings and ceramic balls ensure smooth operation, even at high speeds up to 28,000 rpm.

Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.

With a dynamic radial load capacity of 24,300 lbf, it performs reliably in demanding applications.
The extra light preload (Class A) ensures precision and minimal vibration during operation.

Operating within -30°C to 110°C, 7214 ACD/HCP4ADGA Bearing adapts to various environmental conditions.
Its open design and lubricated setup simplify maintenance while ensuring consistent performance.

Application

Industrial Uses of 7214 ACD/HCP4ADGA Bearing
The 7214 ACD/HCP4ADGA Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. Its universal matching design allows for flexible arrangements in complex machinery.

In automotive applications, 7214 ACD/HCP4ADGA Bearing excels in precision components like electric motor shafts, thanks to its P4A tolerance class. The extra light preload ensures smooth operation even at high RPMs.

For robotics, 7214 ACD/HCP4ADGA Bearing provides reliable angular contact support in robotic arms, where accuracy and durability are key. The chrome steel rings and ceramic balls offer a good balance of strength and low maintenance.

In medical imaging devices, 7214 ACD/HCP4ADGA Bearing’s low vibration and high-speed capabilities make it ideal for sensitive equipment. The open design allows for easy lubrication, extending its service life.

For 3D printers, 7214 ACD/HCP4ADGA Bearing ensures precise movement in print heads, thanks to its tight tolerances. The phenolic cage also helps dampen vibrations for smoother prints.

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