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Super Precision Angular Contact Ball Bearings S71905 CEGC/P4A
Super Precision Angular Contact Ball Bearings S71905 CEGC/P4A

Super Precision Angular Contact Ball Bearings S71905 CEGC/P4A

The S71905 CEGC/P4A is a super precision angular contact ball bearing with a compact size of 25mm by 42mm by 9mm, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, pre-lubricated with grease for smooth operation.

This bearing handles radial loads up to 1186 lbf and can reach speeds of 83,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures quiet and efficient running, even under moderate preload conditions.

Designed for angular contact loads, it’s available in matched sets for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or high-speed tools where accuracy is key.

Weighing just 0.042kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71905 CEGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1186 lbf
  • Static Radial Load 630 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.042 kg

Features

Performance Features of S71905 CEGC/P4A Bearing

S71905 CEGC/P4A Bearing is designed for high-speed applications, with a maximum speed of 83,000 rpm.
Its chrome steel construction ensures durability and resistance to wear in precision tasks.

The 15° contact angle allows for efficient handling of combined radial and axial loads.
With a phenolic cage, it maintains smooth operation and reduces friction during high-speed rotation.

S71905 CEGC/P4A Bearing comes pre-lubricated with grease, minimising maintenance requirements.
Its P4A tolerance class ensures high precision, making it suitable for demanding industrial applications.

The matched arrangement option enhances performance in back-to-back or face-to-face configurations.
This design flexibility makes it a reliable choice for complex machinery setups.

Application

Ideal for Precision: S71905 CEGC/P4A Bearing
S71905 CEGC/P4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding environments.

In automotive applications, S71905 CEGC/P4A Bearing supports electric motor shafts and gearbox components, offering smooth rotation at high speeds. Its moderate preload (Class C) helps reduce vibration for quieter operation.

For medical imaging devices like MRI scanners, S71905 CEGC/P4A Bearing’s phenolic cage and grease lubrication provide reliable, low-friction performance. The P4A tolerance class guarantees consistent precision in critical diagnostic equipment.

Automation systems benefit from S71905 CEGC/P4A Bearing’s matched arrangement capability, allowing tandem or back-to-back mounting in robotic arms. The universal matching feature simplifies installation in compact designs.

In consumer electronics, S71905 CEGC/P4A Bearing’s compact 25mm×42mm×9mm size fits neatly into high-speed spindle motors for drones or 3D printers. The chrome steel construction ensures durability without adding excessive weight.

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