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Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADGA

The 71934 ACD/P4ADGA is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 45675 lbf and operates smoothly at speeds up to 16250 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures quiet operation and long service life.

Its extra light preload (Class A) and P4A tolerance class make it ideal for high-precision applications like machine tool spindles or aerospace systems. The bearing works reliably in temperatures from -30°C to 110°C.

Weighing 5.7kg, this matched set includes two bearings for balanced performance. It’s interchangeable with SKF models, simplifying replacements in demanding industrial settings.

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Product Parameters

  • Part Number 71934 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 45675 lbf
  • Static Radial Load 72000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 5.7 kg
Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADGA dimension drawing
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Features

Performance Features of 71934 ACD/P4ADGA Bearing

71934 ACD/P4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 45675 lbf.
With a maximum speed of 16,250 rpm, it delivers smooth performance in high-speed operations.

Phenolic cage material reduces friction and wear, enhancing the bearing’s longevity.
Its extra light preload (Class A) ensures precision and stability in demanding conditions.

Application

Key Fields for 71934 ACD/P4ADGA Bearing
71934 ACD/P4ADGA 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 for complex setups.

In aerospace applications, 71934 ACD/P4ADGA Bearing supports critical components like helicopter transmissions, thanks to its extra-light preload and high-speed capability. The phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, 71934 ACD/P4ADGA Bearing provides smooth motion in articulated arms, where its P4A tolerance class guarantees consistent performance. The chrome steel construction ensures durability even in continuous operation.

Medical imaging devices benefit from 71934 ACD/P4ADGA Bearing’s low vibration and high rigidity, crucial for maintaining precision in diagnostic equipment. The lubricated design also minimises maintenance needs.

In automotive testing rigs, 71934 ACD/P4ADGA Bearing handles combined loads reliably, making it suitable for dynamic performance evaluations. Its metric sizing ensures compatibility with European engineering standards.

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