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Super Precision Angular Contact Ball Bearings S7211 CD/HCP4ADBC

Super Precision Angular Contact Ball Bearings S7211 CD/HCP4ADBC

The S7211 CD/HCP4ADBC is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, designed for high-performance applications. Its 15° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 20340 lbf.

The sealed design and grease lubrication make it low-maintenance, while the phenolic cage offers durability. It can handle speeds up to 34000 RPM and temperatures from -30°C to 110°C.

This matched set of two bearings (DB arrangement) provides stability for precision machinery. Ideal for CNC spindles or high-speed robotics where accuracy is key.

Weighing 1.03kg, it’s robust yet compact for its capabilities. Compliant with P4A tolerance class for reliable performance.

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Product Parameters

  • Part Number S7211 CD/HCP4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 42 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 20340 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.03 kg
Super Precision Angular Contact Ball Bearings S7211 CD/HCP4ADBC dimension drawing
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Features

How Does S7211 CD/HCP4ADBC Bearing Achieve Super Precision?

S7211 CD/HCP4ADBC Bearing features a 15° contact angle and ceramic balls, ensuring high precision in angular contact applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 20340 lbf, it handles demanding conditions reliably.
Its P4A tolerance class guarantees consistent accuracy for precision tasks.

The sealed design and grease lubrication allow it to operate smoothly at speeds up to 34,000 rpm.
This makes it suitable for high-speed applications requiring minimal maintenance.

S7211 CD/HCP4ADBC Bearing works in temperatures from -30°C to 110°C, ensuring versatility.
The chrome steel rings and ceramic balls provide durability and resistance to wear.

Application

Industrial Uses of S7211 CD/HCP4ADBC Bearing
S7211 CD/HCP4ADBC Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In the automotive sector, S7211 CD/HCP4ADBC Bearing supports performance in gearbox systems, where its sealed design protects against contaminants. The matched arrangement enhances stability under varying loads.

For medical imaging devices, S7211 CD/HCP4ADBC Bearing’s phenolic cage and grease lubrication provide quiet, reliable operation. Its P4A tolerance class ensures the precision needed for sensitive equipment.

Automation systems benefit from S7211 CD/HCP4ADBC Bearing’s ability to handle combined loads in robotic arms. The chrome steel rings offer durability in continuous operation environments.

In consumer electronics, S7211 CD/HCP4ADBC Bearing’s compact size and high-speed capability make it ideal for precision motors. The temperature range ensures performance in various operating conditions.

Q&A

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