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Super Precision Angular Contact Ball Bearings 7048 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7048 CD/HCP4A

The 7048 CD/HCP4A is a super precision angular contact ball bearing with a 240mm bore and 360mm outer diameter, crafted from durable chrome steel. Its 15° contact angle efficiently handles both radial and thrust loads, with dynamic radial load capacity up to 77625 lbf.

Ceramic balls and a phenolic cage reduce friction, allowing smooth operation at speeds up to 7000 RPM. The open design simplifies lubrication, while the P4 tolerance class ensures high accuracy for demanding applications.

This bearing is interchangeable with SKF models, offering flexibility for replacements. Ideal for precision machinery like spindles or CNC equipment where tight tolerances and reliability are crucial.

Weighing 14.1kg, it’s robust yet manageable for its size. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial environments.

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Product Parameters

  • Part Number 7048 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 77625 lbf
  • Static Radial Load 110250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 7000 rpm
  • Weight 14.1 kg
  • Price（$） 5319.72
Super Precision Angular Contact Ball Bearings 7048 CD/HCP4A dimension drawing
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Features

Performance Features of 7048 CD/HCP4A Bearing

7048 CD/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 15° contact angle allows it to handle both radial and axial loads efficiently.

With a dynamic radial load capacity of 77,625 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

7048 CD/HCP4A Bearing operates smoothly at speeds up to 7,000 rpm.
Its open design and lubrication ensure consistent performance in varied conditions.

The P4 tolerance class guarantees precision, making it ideal for high-accuracy machinery.
Weighing 14.1 kg, it balances strength and manageability for industrial use.

Application

Key Fields for 7048 CD/HCP4A Bearing
7048 CD/HCP4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed operations.

In aerospace applications, 7048 CD/HCP4A Bearing supports critical components like turbine shafts, thanks to its phenolic cage and P4 tolerance class. Its matched arrangement option further enhances performance in demanding conditions.

For robotics, 7048 CD/HCP4A Bearing’s open design and preload availability make it suitable for articulated arms requiring smooth, precise movement. The chrome steel rings provide durability in continuous operation.

Automotive testing equipment benefits from 7048 CD/HCP4A Bearing’s ability to handle dynamic radial loads up to 77625 lbf. Its lubricated design ensures consistent performance even under prolonged use.

In medical imaging devices, 7048 CD/HCP4A Bearing’s low friction and high precision contribute to quieter, more reliable operation. The temperature range of -30° to 110°C allows for versatility in various environments.

Q&A

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