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Super Precision Angular Contact Ball Bearings S7214 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7214 CDGA/HCP4A

The S7214 CDGA/HCP4A is a super precision angular contact ball bearing with a 70mm bore and 125mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 15502 lbf and reaches speeds of 28000 RPM, thanks to its phenolic cage and grease lubrication. Its sealed design keeps contaminants out while maintaining performance.

The extra light preload ensures minimal friction, ideal for high-precision applications. It works in temperatures from -30°C to 110°C and comes in a set of three for versatile mounting options.

Perfect for machine tools or high-speed spindles where accuracy is crucial. Weighing 0.97kg, it offers a balance of strength and precision, compliant with P4A tolerance standards.

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Product Parameters

  • Part Number S7214 CDGA/HCP4A
  • 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 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 15502 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.97 kg
Super Precision Angular Contact Ball Bearings S7214 CDGA/HCP4A dimension drawing
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Features

Performance Features of S7214 CDGA/HCP4A Bearing

S7214 CDGA/HCP4A Bearing is designed with a 15° 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 28,000 rpm.
With a dynamic radial load capacity of 15,502 lbf, it handles demanding conditions reliably.

S7214 CDGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs, ensuring long service life.

The P4A tolerance class guarantees precision performance in critical applications.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face.

Application

Super Precision Angular Contact Ball Bearings S7214 CDGA/HCP4A excel in high-speed machine tool spindles, where their ceramic balls reduce friction and heat buildup. The P4A tolerance ensures consistent performance in precision machining applications.

In robotics, S7214 CDGA/HCP4A provides smooth motion control for articulated arms, thanks to its angular contact design. The phenolic cage offers quiet operation, ideal for sensitive automation environments.

For aerospace components, S7214 CDGA/HCP4A handles combined radial and axial loads in auxiliary systems. Its grease lubrication maintains performance across a wide temperature range.

Medical imaging devices benefit from S7214 CDGA/HCP4A’s low vibration and high rigidity. The sealed design protects against contaminants in sterile environments.

Electric vehicle motors use S7214 CDGA/HCP4A for efficient power transmission at high RPMs. The extra light preload minimises energy loss during operation.

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