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Super Precision Angular Contact Ball Bearings S71908 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71908 ACDGA/P4A

The S71908 ACDGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. Its compact 12mm width makes it suitable for tight spaces while maintaining high performance.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting dynamic radial loads up to 2632 lbf. It spins smoothly at speeds up to 41,000 RPM, thanks to its phenolic cage and grease lubrication.

The sealed design keeps contaminants out, extending its lifespan in harsh conditions. It operates reliably in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for high-precision applications like machine tools or spindles, this bearing is interchangeable with SKF models. Its extra-light preload ensures minimal friction, enhancing efficiency. Weighing just 0.11kg, it’s lightweight yet robust for demanding tasks.

This bearing can be paired in back-to-back, face-to-face, or tandem arrangements, offering flexibility for different setups. Compliant with P4A tolerance standards, it delivers consistent accuracy.

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Product Parameters

  • Part Number S71908 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 2632 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings S71908 ACDGA/P4A dimension drawing
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Features

Performance Features of S71908 ACDGA/P4A Bearing

S71908 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 2632 lbf.

The sealed design and grease lubrication reduce maintenance needs while maintaining performance.
With a maximum speed of 41,000 rpm, it delivers reliable operation in high-speed scenarios.

The phenolic cage keeps the balls aligned, enhancing smooth operation and longevity.
Its precision P4A tolerance class ensures consistent performance in demanding conditions.

Application

Key Fields for S71908 ACDGA/P4A Bearing
S71908 ACDGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71908 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its extra-light preload makes it ideal for applications requiring delicate force adjustments.

For medical imaging devices like CT scanners, S71908 ACDGA/P4A Bearing offers reliable performance with minimal vibration. The chrome steel components withstand continuous operation while maintaining tight tolerances.

Automotive electric power steering systems benefit from S71908 ACDGA/P4A Bearing’s grease lubrication and high-speed capability. Its 25° contact angle efficiently handles combined radial and axial loads during sharp turns.

In 3D printing equipment, S71908 ACDGA/P4A Bearing ensures precise linear motion for print heads. The P4A tolerance class guarantees consistent layer deposition during rapid prototyping.

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