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Super Precision Angular Contact Ball Bearings S7021 CD/P4ADGC

Super Precision Angular Contact Ball Bearings S7021 CD/P4ADGC

The S7021 CD/P4ADGC is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 35100 lbf and operates smoothly at speeds up to 10000 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet, long-lasting performance. The bearing works in temperatures from -30°C to 110°C and comes preloaded for moderate stiffness.

This model is part of a matched set of two, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or high-speed motors.

Weighing 3.22kg, it offers a balance of strength and precision. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S7021 CD/P4ADGC
  • 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 52 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 43425 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 3.22 kg
Super Precision Angular Contact Ball Bearings S7021 CD/P4ADGC dimension drawing
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Features

Performance Features of S7021 CD/P4ADGC Bearing

S7021 CD/P4ADGC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 35100 lbf.

Its sealed design and phenolic cage ensure smooth operation, even at high speeds of 10,000 rpm.
The universal matching capability allows flexible arrangements like back-to-back or face-to-face mounting.

With a temperature range of -30°C to 110°C, S7021 CD/P4ADGC Bearing performs reliably in varied conditions.
The P4A tolerance class guarantees precision, making it suitable for demanding industrial applications.

Application

Super Precision Angular Contact Ball Bearings S7021 CD/P4ADGC are widely used in high-speed machine tool spindles, where their 15° contact angle ensures accurate radial and axial load handling. The sealed design helps maintain lubrication, reducing maintenance needs in demanding industrial settings.

In robotics, S7021 CD/P4ADGC supports articulated arms and precision movement systems, thanks to its universal matching capability. The phenolic cage offers quiet operation, ideal for environments where noise reduction is important.

For aerospace applications, S7021 CD/P4ADGC provides reliable performance in components like landing gear systems. Its chrome steel construction and P4A tolerance class ensure durability under extreme conditions.

In medical imaging devices, S7021 CD/P4ADGC’s moderate preload enhances stability for precise movements. The grease lubrication extends service life, making it suitable for high-use medical equipment.

Consumer electronics like high-end printers benefit from S7021 CD/P4ADGC’s smooth operation and low friction. The matched arrangement allows for easy integration into compact designs.

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