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Super Precision Angular Contact Ball Bearings S7020 ACE/P4AQBCA

Super Precision Angular Contact Ball Bearings S7020 ACE/P4AQBCA

The S7020 ACE/P4AQBCA is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 25200 lbf and spins efficiently at speeds up to 16250 RPM. The phenolic cage and grease lubrication contribute to its long service life, even in temperatures from -30°C to 110°C.

Part of a matched set of four bearings (QBC arrangement), it offers extra-light preload for precise performance. Ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing 5.28kg, it meets P4A tolerance standards for exceptional accuracy. Its sealed construction keeps contaminants out while maintaining smooth rotation.

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Product Parameters

  • Part Number S7020 ACE/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 96 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 27
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 25200 lbf
  • Static Radial Load 33750 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 5.28 kg
Super Precision Angular Contact Ball Bearings S7020 ACE/P4AQBCA dimension drawing
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Features

Performance Features of S7020 ACE/P4AQBCA Bearing

S7020 ACE/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.

The sealed design protects against contaminants, ensuring consistent performance in demanding environments.

With a dynamic radial load capacity of 25200 lbf, it handles high-speed operations up to 16,250 rpm.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.

Application

Key Fields for S7020 ACE/P4AQBCA Bearing
S7020 ACE/P4AQBCA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding industrial environments.

In aerospace applications, S7020 ACE/P4AQBCA Bearing handles both radial and axial loads efficiently, making it suitable for helicopter transmissions. Its phenolic cage reduces friction, enhancing performance at high speeds.

For automation systems, S7020 ACE/P4AQBCA Bearing’s matched arrangement provides stability in robotic arms and CNC machinery. The extra light preload ensures smooth operation without excessive wear.

Medical imaging devices benefit from S7020 ACE/P4AQBCA Bearing’s precision, as it maintains consistent alignment in rotating components. The grease lubrication ensures quiet operation, crucial for sensitive equipment.

Q&A

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