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Super Precision Angular Contact Ball Bearings S7004 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S7004 ACD/HCP4A

The S7004 ACD/HCP4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 1872 lbf and spins smoothly at speeds up to 45,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle makes it ideal for combined radial and axial loads.

This bearing is interchangeable with SKF models and comes preloaded for immediate use. Perfect for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.06kg, it’s lightweight yet durable. Compliant with P4 tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number S7004 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1872 lbf
  • Static Radial Load 934 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 45000 rpm
  • Weight 0.06 kg
  • Price（$） 19.332
Super Precision Angular Contact Ball Bearings S7004 ACD/HCP4A dimension drawing
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Features

Performance Features of S7004 ACD/HCP4A Bearing

S7004 ACD/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 45,000 rpm.

The phenolic cage provides excellent stability, reducing wear and extending the bearing’s service life.
With a P4 tolerance class, S7004 ACD/HCP4A Bearing offers precise performance for demanding applications.

Sealed design keeps lubrication in place, reducing maintenance needs.
The dynamic radial load capacity of 1872 lbf ensures reliable operation under heavy loads.

S7004 ACD/HCP4A Bearing is preloaded for optimal performance in precision tasks.
Its compact size of 20 mm×42 mm×12 mm makes it suitable for space-constrained applications.

Application

Perfect Fit for Automation: S7004 ACD/HCP4A Bearing
S7004 ACD/HCP4A Bearing is widely used in robotic arms and automated assembly lines, where its precision and angular contact design ensure smooth, accurate movements. The ceramic balls reduce friction, making it ideal for high-speed operations.

How Does S7004 ACD/HCP4A Bearing Improve Performance?
In machine tools, S7004 ACD/HCP4A Bearing enhances spindle performance by maintaining tight tolerances even under heavy loads. Its phenolic cage offers excellent heat resistance, prolonging service life in demanding conditions.

Medical vs Industrial: Where S7004 ACD/HCP4A Bearing Excels
For medical imaging devices, S7004 ACD/HCP4A Bearing provides quiet, vibration-free operation, crucial for clear diagnostics. In industrial settings, its sealed design keeps contaminants out, ensuring reliability in harsh environments.

Key Fields for S7004 ACD/HCP4A Bearing
S7004 ACD/HCP4A Bearing is a go-to choice for 3D printers, where its high-speed capabilities and precision are essential for detailed prints. The lubricated design also minimises maintenance, saving time and effort.

Built for Heavy-Duty Use: S7004 ACD/HCP4A Bearing
In electric motors, S7004 ACD/HCP4A Bearing handles both radial and axial loads efficiently, thanks to its 25° contact angle. The chrome steel rings add durability, making it suitable for long-term use.

Q&A

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