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Super Precision Angular Contact Ball Bearings S7021 CDGA/P4A

Super Precision Angular Contact Ball Bearings S7021 CDGA/P4A

The S7021 CDGA/P4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with grease lubrication for smooth operation.

This bearing handles radial loads up to 21510 lbf and spins efficiently at speeds up to 10000 RPM. Its phenolic cage ensures quiet performance, while the P4A tolerance class guarantees high precision.

Designed for angular contact loads, it works well in temperatures from -30°C to 110°C. The bearing is interchangeable with SKF models, making it a versatile choice for replacements.

Weighing 1.61kg, it’s robust yet manageable. Ideal for precision machinery like spindles or high-speed applications where accuracy is key. Compliant with universal matching for flexible arrangements.

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Product Parameters

  • Part Number S7021 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21510 lbf
  • Static Radial Load 21712 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.61 kg
Super Precision Angular Contact Ball Bearings S7021 CDGA/P4A dimension drawing
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Features

Performance Features of S7021 CDGA/P4A Bearing

S7021 CDGA/P4A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-precision applications.

The sealed design and grease lubrication reduce maintenance needs while maintaining smooth operation.
With a maximum speed of 10,000 rpm, it delivers reliable performance in demanding conditions.

S7021 CDGA/P4A Bearing’s phenolic cage enhances stability and reduces friction during high-speed rotation.
Its P4A tolerance class guarantees precision, making it suitable for critical industrial applications.

Application

Key Fields for S7021 CDGA/P4A Bearing
S7021 CDGA/P4A Bearing is widely used in machine tools, where its precision and angular contact design help maintain accuracy during high-speed operations. The sealed construction keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S7021 CDGA/P4A Bearing provides smooth motion control for articulated arms and joints. Its extra-light preload reduces friction, making it ideal for applications requiring fine adjustments and repeatability.

For aerospace components, S7021 CDGA/P4A Bearing’s chrome steel rings and phenolic cage offer reliability under varying loads. The P4A tolerance class ensures consistent performance in critical systems like flight control mechanisms.

Medical imaging devices benefit from S7021 CDGA/P4A Bearing’s low-noise operation and stable rotation. The grease lubrication minimises maintenance needs, which is essential for equipment used in sterile environments.

In packaging machinery, S7021 CDGA/P4A Bearing supports high-speed conveyor systems with minimal vibration. Its metric sizing simplifies integration into European-designed production lines.

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