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Super Precision Angular Contact Ball Bearings 71808 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71808 ACD/P4DGB

The 71808 ACD/P4DGB is a super precision angular contact ball bearing with a 40mm bore and 52mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two for versatile mounting options.

With a dynamic radial load capacity of 1667 lbf, it handles high speeds up to 56,000 RPM smoothly. The phenolic cage ensures quiet operation and durability, while the open design allows for easy lubrication.

Its universal matching capability supports back-to-back, face-to-face, or tandem arrangements, making it adaptable for various setups. Ideal for precision applications like machine tool spindles or high-speed robotics.

Weighing just 0.062kg, it’s lightweight yet robust, and operates efficiently in temperatures from -30°C to 110°C. Compliant with P4 tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71808 ACD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 1667 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.062 kg
Super Precision Angular Contact Ball Bearings 71808 ACD/P4DGB dimension drawing
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Features

How Does 71808 ACD/P4DGB Bearing Reduce Friction?

71808 ACD/P4DGB Bearing features a 25° contact angle, optimising load distribution and minimising friction.
Its chrome steel construction ensures durability while maintaining smooth operation at high speeds.

The phenolic cage in 71808 ACD/P4DGB Bearing helps reduce weight and friction, enhancing efficiency.
With a maximum speed of 56,000 rpm, it delivers reliable performance in precision applications.

71808 ACD/P4DGB Bearing’s universal matching design allows flexible arrangement for various load requirements.
Its light preload ensures consistent performance without excessive wear.

Application

Practical Applications of 71808 ACD/P4DGB Bearing
In machine tools, 71808 ACD/P4DGB Bearing ensures smooth rotation for spindles, thanks to its precision angular contact design. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

Where Is 71808 ACD/P4DGB Bearing Used?
You’ll often find 71808 ACD/P4DGB Bearing in high-speed robotics, where its light preload reduces friction. The phenolic cage adds durability, ideal for repetitive movements in automated systems.

Built for Heavy-Duty Use: 71808 ACD/P4DGB Bearing
This bearing handles radial loads effortlessly in industrial pumps, with its chrome steel construction resisting wear. Its P4 tolerance class guarantees consistent performance under demanding conditions.

Automotive vs Aerospace: Applications of 71808 ACD/P4DGB Bearing
In cars, 71808 ACD/P4DGB Bearing supports gearbox shafts, while in aircraft, it aids in navigation systems. The 25° contact angle balances speed and load capacity across both sectors.

Key Fields for 71808 ACD/P4DGB Bearing
Medical imaging devices rely on 71808 ACD/P4DGB Bearing for quiet, precise motion. Its lubricated design ensures long service life, even in continuous-use environments like hospitals.

Q&A

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