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Super Precision Angular Contact Ball Bearings 71818 ACDGB/P4

Super Precision Angular Contact Ball Bearings 71818 ACDGB/P4

The 71818 ACDGB/P4 is a super precision angular contact ball bearing with a 90mm bore and 115mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4568 lbf and operates smoothly at speeds up to 15,000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for precision applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-speed machinery like spindles or CNC tools, where accuracy is crucial. It can be paired in back-to-back or face-to-face arrangements for added flexibility.

Weighing just 0.28kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Compliant with P4 tolerance standards, it’s a reliable choice for demanding industrial uses.

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Product Parameters

  • Part Number 71818 ACDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 115 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 4568 lbf
  • Static Radial Load 5625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.28 kg
  • Price（$） 259.434
Super Precision Angular Contact Ball Bearings 71818 ACDGB/P4 dimension drawing
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Features

Why Choose 71818 ACDGB/P4 Bearing for Precision Tasks?

71818 ACDGB/P4 Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 15,000 rpm, it excels in demanding applications.

71818 ACDGB/P4 Bearing’s P4 tolerance class guarantees high accuracy for precision machinery.
Its light preload design ensures consistent performance without excessive wear.

Application

Ideal for Precision: 71818 ACDGB/P4 Bearing
71818 ACDGB/P4 Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In robotics, 71818 ACDGB/P4 Bearing provides smooth motion control for articulated arms, thanks to its P4 tolerance class and light preload. Its universal matching capability allows for flexible configurations in complex assemblies.

For aerospace components, 71818 ACDGB/P4 Bearing’s chrome steel construction offers reliability in demanding environments. The high-speed capability (up to 15,000 rpm) makes it a practical choice for turbine systems and instrumentation.

Q&A

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