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Super Precision Angular Contact Ball Bearings 71956 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71956 CDGA/P4A

The 71956 CDGA/P4A is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 65475 lbf and operates smoothly at speeds up to 7500 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliability and easy maintenance.

This bearing is suitable for temperatures from -30°C to 110°C and comes lubricated for immediate use. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile setups.

Weighing 12.9kg, it’s robust yet manageable for its size. Ideal for high-precision machinery like spindles or CNC equipment where accuracy is crucial. Compliant with P4A tolerance class for superior performance.

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Product Parameters

  • Part Number 71956 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 46 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 65475 lbf
  • Static Radial Load 102375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 12.9 kg
Super Precision Angular Contact Ball Bearings 71956 CDGA/P4A dimension drawing
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Features

Performance Features of 71956 CDGA/P4A Bearing

71956 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads.

The phenolic cage ensures smooth operation, even at high speeds up to 7,500 rpm.
With a precision tolerance class of P4A, it delivers reliable performance in demanding conditions.

71956 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Common Applications of 71956 CDGA/P4A Bearing
71956 CDGA/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71956 CDGA/P4A Bearing handles radial and axial loads in jet engine components. Its P4A tolerance class guarantees consistent performance under extreme conditions.

For robotics, 71956 CDGA/P4A Bearing provides smooth motion in articulated arms, thanks to its extra-light preload. The chrome steel construction ensures long-term reliability in repetitive tasks.

Medical imaging systems benefit from 71956 CDGA/P4A Bearing’s precision, particularly in MRI machines where vibration-free operation is essential. The open design allows for easy lubrication maintenance.

In industrial automation, 71956 CDGA/P4A Bearing supports high-speed conveyor systems, reducing downtime with its durable build. The metric sizing ensures compatibility with European machinery standards.

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