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Super Precision Angular Contact Ball Bearings S71915 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings S71915 ACD/P4ADBC

The S71915 ACD/P4ADBC is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. Its sealed design and phenolic cage ensure smooth operation even at high speeds.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 12442 lbf dynamically. It’s preloaded for moderate stiffness, making it stable for precision applications.

This matched pair of bearings (DB arrangement) spins up to 28000 RPM, ideal for high-speed machinery. The grease lubrication simplifies maintenance, while the P4A tolerance class guarantees accuracy.

Perfect for CNC spindles or precision tools where reliability and speed matter. Weighing 0.72kg, it’s robust yet manageable for its size. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71915 ACD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 15975 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.72 kg
Super Precision Angular Contact Ball Bearings S71915 ACD/P4ADBC dimension drawing
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Features

Why Choose S71915 ACD/P4ADBC Bearing for Precision Tasks?

S71915 ACD/P4ADBC Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its matched arrangement of two bearings ensures stable performance in high-speed applications.

The chrome steel rings and balls enhance durability, while the phenolic cage reduces friction and noise.
With a maximum speed of 28,000 rpm, it delivers smooth operation even under demanding conditions.

S71915 ACD/P4ADBC Bearing’s P4A tolerance class guarantees exceptional accuracy for critical applications.
Its moderate preload (Class C) further improves rigidity and reduces vibration.

Application

Industrial Uses of S71915 ACD/P4ADBC Bearing
S71915 ACD/P4ADBC Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate performance. The sealed design helps keep contaminants out, extending service life in demanding environments.

In automotive applications, S71915 ACD/P4ADBC Bearing supports components like electric motors and transmissions, thanks to its angular contact design. The phenolic cage reduces friction, making it suitable for high-speed rotations.

For medical imaging devices, S71915 ACD/P4ADBC Bearing’s chrome steel construction provides reliable operation under radial loads. Its P4A tolerance class ensures the precision needed for sensitive equipment.

Automation systems benefit from S71915 ACD/P4ADBC Bearing’s matched arrangement, which enhances stability in robotic arms. The grease lubrication ensures smooth operation even during prolonged use.

In aerospace applications, S71915 ACD/P4ADBC Bearing’s ability to handle high speeds makes it ideal for turbine components. The temperature range of -30°C to 110°C ensures performance in varying conditions.

Q&A

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