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Super Precision Angular Contact Ball Bearings 71917 ACEGA/HCP4AL
Super Precision Angular Contact Ball Bearings 71917 ACEGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71917 ACEGA/HCP4AL

The 71917 ACEGA/HCP4AL is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 6322 lbf and operates smoothly at high speeds up to 28,000 RPM.

Its open design and phenolic cage ensure minimal friction, while the extra light preload (Class A) enhances precision. The bearing performs reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set for flexible arrangements (back-to-back, face-to-face, or tandem). Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.42kg, it balances lightweight design with robust performance. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71917 ACEGA/HCP4AL
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 23
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6322 lbf
  • Static Radial Load 4860 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.42 kg

Features

Performance Features of 71917 ACEGA/HCP4AL Bearing

71917 ACEGA/HCP4AL Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 6322 lbf, it excels in demanding applications.

71917 ACEGA/HCP4AL Bearing operates smoothly at speeds up to 28,000 rpm.
Its extra light preload ensures minimal friction, making it ideal for precision tasks.

The open design simplifies lubrication, extending maintenance intervals.
Its temperature range of -30°C to 110°C ensures reliability in various environments.

Application

How Does 71917 ACEGA/HCP4AL Bearing Improve Performance?
71917 ACEGA/HCP4AL Bearing excels in high-speed machine tools, where its ceramic balls and 25° contact angle reduce friction for smoother operation. The phenolic cage also helps maintain stability under rapid rotations.

In robotics, 71917 ACEGA/HCP4AL Bearing supports precise movements in articulated arms, thanks to its P4A tolerance class. Its lightweight design is ideal for applications requiring both accuracy and agility.

For aerospace components, 71917 ACEGA/HCP4AL Bearing handles angular loads in navigation systems, ensuring reliable performance. The chrome steel rings and ceramic balls provide durability in demanding conditions.

Medical imaging devices benefit from 71917 ACEGA/HCP4AL Bearing’s low vibration and high-speed capabilities. Its open design allows for easy lubrication, extending service life in critical equipment.

In electric vehicle motors, 71917 ACEGA/HCP4AL Bearing reduces energy loss with its ceramic balls. The extra-light preload ensures minimal resistance, enhancing overall efficiency.

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