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Super Precision Angular Contact Ball Bearings 71907 ACEGB/P4A
Super Precision Angular Contact Ball Bearings 71907 ACEGB/P4A

Super Precision Angular Contact Ball Bearings 71907 ACEGB/P4A

The 71907 ACEGB/P4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for light preload applications.

With a dynamic radial load capacity of 1638 lbf, it handles high speeds up to 56,000 RPM smoothly. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy is key. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing just 0.075kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s a reliable choice for demanding applications. Interchangeable with SKF bearings, it offers a practical replacement option.

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Product Parameters

  • Part Number 71907 ACEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 1638 lbf
  • Static Radial Load 990 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.075 kg

Features

Performance Features of 71907 ACEGB/P4A Bearing

71907 ACEGB/P4A Bearing features a 25° contact angle, optimised for angular contact loads and high-speed applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1638 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

71907 ACEGB/P4A Bearing operates smoothly at speeds up to 56,000 rpm, thanks to its balanced design.
It performs consistently within a temperature range of -30°C to 110°C, adapting to various environments.

The open design allows for easy lubrication, extending maintenance intervals.
Its universal matching capability enables flexible configurations like back-to-back or face-to-face arrangements.

Application

Industrial Uses of 71907 ACEGB/P4A Bearing
This bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The open design allows for effective lubrication, extending service life in demanding conditions.

In automotive applications, 71907 ACEGB/P4A Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. Its chrome steel construction provides durability under varying loads and speeds.

For automation systems, 71907 ACEGB/P4A Bearing is ideal for robotic arms and CNC machines, offering reliable performance. The phenolic cage reduces friction, making it suitable for continuous operation.

Medical imaging devices benefit from 71907 ACEGB/P4A Bearing’s high precision and low noise. Its P4A tolerance class ensures consistent accuracy in sensitive equipment.

In consumer electronics, this bearing is found in high-performance fans and printers, where its compact size and efficiency are key. The lubricated design ensures quiet operation for everyday use.

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