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Super Precision Angular Contact Ball Bearings S7004 ACEGA/HCP4A
Super Precision Angular Contact Ball Bearings S7004 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S7004 ACEGA/HCP4A

The S7004 ACEGA/HCP4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 1609 lbf.

This sealed unit comes pre-lubricated with grease, allowing it to reach speeds of 100,000 RPM. The phenolic cage adds stability, while the P4A tolerance class guarantees high precision.

Ideal for high-speed applications like spindles or machine tools, it handles temperatures from -30°C to 110°C. Weighing just 0.059kg, it’s lightweight yet robust.

The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. It’s interchangeable with SKF models, making replacements straightforward.

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Product Parameters

  • Part Number S7004 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 1609 lbf
  • Static Radial Load 731 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.059 kg

Features

Performance Features of S7004 ACEGA/HCP4A Bearing

S7004 ACEGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 100,000 rpm.

The phenolic cage provides excellent stability, reducing friction and wear during operation.
With a P4A tolerance class, S7004 ACEGA/HCP4A Bearing delivers consistent precision in demanding conditions.

Grease lubrication enhances performance, making it suitable for a wide temperature range from -30°C to 110°C.
The extra light preload ensures minimal resistance, improving efficiency in high-speed applications.

Application

Common Applications of S7004 ACEGA/HCP4A Bearing
S7004 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The sealed design keeps contaminants out, ideal for dusty workshop environments.

In robotics, S7004 ACEGA/HCP4A Bearing provides precise angular contact support for robotic arms, ensuring accurate movement. Its extra light preload makes it suitable for delicate automation tasks.

For dental drills and other medical devices, S7004 ACEGA/HCP4A Bearing’s high-speed capability and grease lubrication offer quiet, reliable performance. The P4A tolerance class ensures consistent precision in critical applications.

In electric vehicle motors, S7004 ACEGA/HCP4A Bearing handles radial and axial loads efficiently, contributing to longer component life. The 25° contact angle optimises load distribution for dynamic driving conditions.

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