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Super Precision Angular Contact Ball Bearings S7214 ACD/P4A

Super Precision Angular Contact Ball Bearings S7214 ACD/P4A

The S7214 ACD/P4A is a super precision angular contact ball bearing with a 70mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 14918 lbf and operates smoothly at speeds up to 9500 RPM.

Its sealed design keeps lubrication intact, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability under combined loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy is crucial. It meets P4 tolerance standards for reliable performance.

Weighing 1.13kg, it’s robust yet manageable for its size. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number S7214 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 14918 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9500 rpm
  • Weight 1.13 kg
  • Price（$） 795.771
Super Precision Angular Contact Ball Bearings S7214 ACD/P4A dimension drawing
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Features

Why Choose S7214 ACD/P4A Bearing for Precision Tasks?

S7214 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The P4 tolerance class guarantees exceptional accuracy, making it suitable for demanding applications.
With a maximum speed of 9,500 rpm, it delivers reliable performance in high-speed environments.

How Is S7214 ACD/P4A Bearing Engineered for Reliability?

S7214 ACD/P4A Bearing is built with chrome steel components, offering strong resistance to wear and fatigue.
The sealed design protects against contaminants, ensuring consistent operation in harsh conditions.

Its dynamic radial load capacity of 14,918 lbf provides reliable support for heavy-duty applications.
Preloaded options are available for enhanced stiffness and precision in matched arrangements.

Designed for Durability: S7214 ACD/P4A Bearing

S7214 ACD/P4A Bearing’s phenolic cage minimises heat generation, extending its service life.
The chrome steel construction withstands high loads and speeds, maintaining performance over time.

With a temperature range of -30° to 110°C, it operates reliably in varied environments.
Its sealed design reduces maintenance needs, making it a cost-effective choice.

Steel vs Ceramic Bearings: Strengths of S7214 ACD/P4A Bearing

S7214 ACD/P4A Bearing uses chrome steel for its rings and balls, balancing strength and affordability.
The phenolic cage offers quiet operation, unlike metal cages that may generate more noise.

Its P4 tolerance class ensures precision, rivalling ceramic bearings in accuracy.
With a dynamic radial load of 14,918 lbf, it handles heavy loads without compromising performance.

Application

Industrial Uses of S7214 ACD/P4A Bearing
S7214 ACD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S7214 ACD/P4A Bearing supports wheel hubs and transmission systems, providing smooth performance under radial and axial loads. Its phenolic cage offers good heat resistance, making it suitable for high-speed scenarios.

For robotics, S7214 ACD/P4A Bearing is ideal for articulated arms and joints, thanks to its P4 tolerance class. The matched arrangement option allows for precise preload adjustment, ensuring consistent movement in automated systems.

Medical imaging devices benefit from S7214 ACD/P4A Bearing’s low noise and vibration characteristics. The chrome steel construction ensures reliability in critical diagnostic equipment where precision is essential.

In aerospace components, S7214 ACD/P4A Bearing handles both radial and thrust loads efficiently. Its high-speed capability and temperature tolerance make it a dependable choice for aviation systems.

Q&A

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