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Super Precision Angular Contact Ball Bearings 71936 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71936 ACDGA/P4A

The 71936 ACDGA/P4A is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, handling up to 35775 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 16250 RPM, while the extra-light preload enhances precision. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set of three, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 4.2kg, it offers a robust yet precise solution for demanding environments. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71936 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 180 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 250 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 33 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 27
  • Contact Angle 25°
  • 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 35775 lbf
  • Static Radial Load 45000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 4.2 kg
Super Precision Angular Contact Ball Bearings 71936 ACDGA/P4A dimension drawing
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Features

Performance Features of 71936 ACDGA/P4A Bearing

71936 ACDGA/P4A Bearing is crafted with a 25° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 35,775 lbf, it performs reliably in high-stress applications.

The bearing’s P4A tolerance class guarantees precision, making it suitable for demanding industrial uses.

How Is 71936 ACDGA/P4A Bearing Engineered for Reliability?

71936 ACDGA/P4A Bearing features an open design, allowing easy lubrication and reducing maintenance needs.

Its extra light preload (Class A) ensures minimal friction, enhancing efficiency and extending service life.

The bearing can operate at speeds up to 16,250 rpm, maintaining stability even under high-performance conditions.

With a temperature range of -30°C to 110°C, it adapts well to varying operational environments.

Designed for Durability: 71936 ACDGA/P4A Bearing

71936 ACDGA/P4A Bearing’s chrome steel construction provides excellent resistance to wear and tear.

Its 27-ball design distributes loads evenly, reducing stress and improving longevity.

The bearing’s universal matching capability allows flexible configurations like back-to-back or tandem arrangements.

Weighing 4.2 kg, it balances strength and manageability for industrial applications.

Steel vs Ceramic Bearings: Strengths of 71936 ACDGA/P4A Bearing

71936 ACDGA/P4A Bearing uses chrome steel for both rings and balls, offering a cost-effective yet durable solution.

Unlike ceramic bearings, it provides excellent load capacity (static radial load of 45,000 lbf) without brittleness.

The phenolic cage ensures quiet operation, making it suitable for precision machinery.

Its P4A tolerance class ensures high accuracy, rivalling more expensive alternatives.

Application

Where Is 71936 ACDGA/P4A Bearing Used?
71936 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications requiring minimal friction.

In aerospace components, 71936 ACDGA/P4A Bearing handles radial and axial loads in jet engine assemblies. Its P4A tolerance class guarantees consistent performance under demanding conditions.

For robotics, 71936 ACDGA/P4A Bearing provides smooth motion in articulated arms and joints. The phenolic cage material reduces weight while maintaining durability.

Automotive vs Aerospace: Applications of 71936 ACDGA/P4A Bearing
In automotive systems, 71936 ACDGA/P4A Bearing supports high-speed gearboxes and electric motor shafts. Its 25° contact angle balances load distribution effectively.

Aerospace applications benefit from 71936 ACDGA/P4A Bearing’s ability to withstand extreme temperatures and vibrations. The chrome steel construction ensures long service life in critical flight components.

Key Fields for 71936 ACDGA/P4A Bearing
Medical imaging devices rely on 71936 ACDGA/P4A Bearing for precise positioning in CT scanners. The open design allows for easy lubrication and maintenance.

In industrial automation, 71936 ACDGA/P4A Bearing ensures reliable performance in CNC machinery. Its universal matching capability simplifies installation in complex setups.

Q&A

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