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Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGCGMM3

Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGCGMM3

The 71940 ACD/P4ADGCGMM3 is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 73125 lbf and operates smoothly at speeds up to 16250 RPM.

With a 25° contact angle and universal matching design, it offers excellent stability for angular loads. The phenolic cage ensures durability, while the open seal allows for easy lubrication with grease.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. Its moderate preload (Class C) and P4A tolerance ensure reliable performance in demanding conditions.

Weighing 12.2kg, it comes in a matched set of two bearings, suitable for back-to-back, face-to-face, or tandem arrangements. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

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Product Parameters

  • Part Number 71940 ACD/P4ADGCGMM3
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 73125 lbf
  • Static Radial Load 112500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 12.2 kg
Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGCGMM3 dimension drawing
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Features

Performance Features of 71940 ACD/P4ADGCGMM3 Bearing

71940 ACD/P4ADGCGMM3 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 73125 lbf.

Its universal matching arrangement allows flexible configurations like back-to-back or face-to-face setups.
The phenolic cage ensures smooth operation, even at high speeds of 16,250 rpm.

With a P4A tolerance class, 71940 ACD/P4ADGCGMM3 Bearing delivers precision performance in demanding conditions.
The grease lubrication system reduces maintenance needs while extending service life.

Application

Key Fields for 71940 ACD/P4ADGCGMM3 Bearing
71940 ACD/P4ADGCGMM3 Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71940 ACD/P4ADGCGMM3 Bearing supports critical components like turbine shafts, thanks to its moderate preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For robotics, 71940 ACD/P4ADGCGMM3 Bearing provides smooth motion in articulated arms and joints, where precision and durability are key. Its chrome steel construction ensures long service life even in continuous operation.

In medical imaging devices, 71940 ACD/P4ADGCGMM3 Bearing’s P4A tolerance class guarantees consistent performance. The grease lubrication maintains quiet operation, essential for sensitive environments.

Automotive testing equipment benefits from 71940 ACD/P4ADGCGMM3 Bearing’s ability to handle combined loads. Its metric dimensions make it compatible with various European and Asian machinery standards.

Q&A

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