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Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4AQBCD

Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4AQBCD

The 7212 ACD/HCP4AQBCD is a super precision angular contact ball bearing with a 60mm bore and 110mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles heavy radial loads up to 32850 lbf and operates smoothly at speeds up to 31000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under heavy preload conditions, making it ideal for high-precision applications. The open design allows for easy lubrication and maintenance.

This bearing comes in a matched set of four, designed for angular contact loads. It’s suitable for use in machine tools or spindle systems where precision and durability are key.

With a temperature range of -30°C to 110°C and a weight of 2.78kg, it’s built to withstand demanding industrial environments. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7212 ACD/HCP4AQBCD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 88 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 32850 lbf
  • Static Radial Load 40500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 2.78 kg
Super Precision Angular Contact Ball Bearings 7212 ACD/HCP4AQBCD dimension drawing
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Features

How Does 7212 ACD/HCP4AQBCD Bearing Achieve Super Precision?

7212 ACD/HCP4AQBCD Bearing features a 25° contact angle, optimised for precise angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed operations.

The phenolic cage maintains ball alignment, ensuring smooth rotation even under heavy radial loads.
With a dynamic radial load capacity of 32,850 lbf, it handles demanding tasks reliably.

Designed for matched arrangements, 7212 ACD/HCP4AQBCD Bearing offers consistent performance across multiple bearings.
Its P4A tolerance class guarantees high precision, making it ideal for critical applications.

Application

Industrial Uses of 7212 ACD/HCP4AQBCD Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 7212 ACD/HCP4AQBCD Bearing supports performance in gearboxes and differential systems. Its heavy preload capability enhances stability under demanding driving conditions.

For robotics, 7212 ACD/HCP4AQBCD Bearing provides smooth motion in articulated arms and joints. The phenolic cage offers durability while maintaining low weight for efficient movement.

Medical imaging devices benefit from 7212 ACD/HCP4AQBCD Bearing’s precision and reliability. The P4A tolerance class ensures consistent performance in critical diagnostic equipment.

In aerospace systems, 7212 ACD/HCP4AQBCD Bearing handles both radial and axial loads in flight control mechanisms. Its wide temperature range makes it adaptable to various environmental conditions.

Q&A

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