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Super Precision Angular Contact Ball Bearings 71948 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71948 ACD/P4ADGB

The 71948 ACD/P4ADGB is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 78975 lbf and operates smoothly at speeds up to 7500 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for complex setups. The phenolic cage ensures durability and reduces friction during high-speed rotation.

This bearing is lubricated for easy maintenance and performs reliably in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision for demanding applications.

Weighing 17kg, it’s robust yet suitable for precision machinery like spindles or CNC equipment. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71948 ACD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 320 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 78975 lbf
  • Static Radial Load 137250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 17 kg
Super Precision Angular Contact Ball Bearings 71948 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71948 ACD/P4ADGB Bearing

71948 ACD/P4ADGB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching arrangement allows for flexible configurations like back-to-back or face-to-face setups.

The chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 78,975 lbf.
With a P4A tolerance class, it delivers super precision for demanding applications.

71948 ACD/P4ADGB Bearing operates smoothly at speeds up to 7,500 rpm, thanks to its phenolic cage.
Its light preload design reduces friction, enhancing efficiency and longevity.

The bearing’s wide temperature range (-30°C to 110°C) ensures reliable performance in various environments.
Weighing 17 kg, it balances strength and precision for industrial use.

Lubrication is simplified with its open design, reducing maintenance needs.
Its 31 balls, each 25.4 mm in diameter, provide even load distribution and smooth operation.

Application

Industrial Uses of 71948 ACD/P4ADGB Bearing
71948 ACD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71948 ACD/P4ADGB Bearing supports high-performance gearboxes and electric motors, providing smooth operation under demanding conditions. Its phenolic cage offers durability and reduces friction, enhancing efficiency.

For medical imaging devices, 71948 ACD/P4ADGB Bearing’s chrome steel construction ensures reliability and precision. The P4A tolerance class guarantees consistent performance, crucial for sensitive equipment.

Automation systems benefit from 71948 ACD/P4ADGB Bearing’s light preload and high-speed capabilities, ideal for robotic arms and CNC machines. Its open design simplifies maintenance in continuous operation environments.

In aerospace components, 71948 ACD/P4ADGB Bearing handles extreme loads with ease, thanks to its robust dynamic radial load capacity. The temperature range of -30°C to 110°C ensures performance in varied conditions.

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