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Super Precision Angular Contact Ball Bearings S71910 CD/P4A

Super Precision Angular Contact Ball Bearings S71910 CD/P4A

The S71910 CD/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes pre-lubricated for smooth operation.

With a dynamic radial load capacity of 3038 lbf, it handles high speeds up to 17,000 RPM. The phenolic cage ensures stability, while the sealed design keeps contaminants out for longer life.

Its P4 tolerance class (ABEC-7) guarantees exceptional precision, ideal for applications like machine tool spindles or high-speed motors. The bearing performs reliably in temperatures from -30°C to 110°C.

Weighing just 0.14kg, this model is lightweight yet robust. It’s interchangeable with SKF bearings, offering a practical replacement option for precision machinery.

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Product Parameters

  • Part Number S71910 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 2340 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.14 kg
  • Price（$） 445.599
Super Precision Angular Contact Ball Bearings S71910 CD/P4A dimension drawing
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Features

How Is S71910 CD/P4A Bearing Engineered for Reliability?

S71910 CD/P4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 3038 lbf, it performs reliably in high-precision applications.
The P4 tolerance class guarantees consistent performance, even at speeds up to 17,000 rpm.

What Makes S71910 CD/P4A Bearing Suitable for High-Temperature Applications?

S71910 CD/P4A Bearing operates smoothly within a temperature range of -30° to 110°C.
The chrome steel construction resists thermal deformation, maintaining precision under heat.
Lubrication is pre-applied, ensuring smooth operation even in demanding conditions.
Its sealed design further protects against contaminants, enhancing longevity.

Why Choose S71910 CD/P4A Bearing for Precision Tasks?

S71910 CD/P4A Bearing meets ABEC-7 standards, offering exceptional accuracy for precision machinery.
The 25-ball design distributes loads evenly, reducing stress and improving performance.
With a static radial load capacity of 2340 lbf, it ensures stability in critical applications.
Its compact 50 mm×72 mm×12 mm size makes it ideal for space-constrained installations.

How Does S71910 CD/P4A Bearing Reduce Friction?

S71910 CD/P4A Bearing’s phenolic cage minimises friction, promoting smoother rotation.
The precision-ground balls and raceways ensure consistent contact, reducing energy loss.
Pre-applied lubrication further enhances efficiency, lowering operational wear.
Its sealed design maintains lubrication integrity, extending maintenance intervals.

Application

Key Fields for S71910 CD/P4A Bearing
S71910 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

How Does S71910 CD/P4A Bearing Improve Performance?
In automotive applications, S71910 CD/P4A Bearing enhances gearbox efficiency by handling combined radial and axial loads smoothly. Its phenolic cage reduces friction, contributing to longer service life.

Built for Heavy-Duty Use: S71910 CD/P4A Bearing
This bearing is a reliable choice for robotics, particularly in robotic arms requiring precise movement. The P4 tolerance class ensures consistent performance in demanding automation tasks.

Medical vs Industrial: Where S71910 CD/P4A Bearing Excels
S71910 CD/P4A Bearing is suitable for medical imaging devices, offering quiet operation and high reliability. In industrial settings, it supports high-speed spindles with minimal vibration.

Practical Applications of S71910 CD/P4A Bearing
For consumer electronics like high-end printers, S71910 CD/P4A Bearing provides smooth paper feed mechanisms. Its compact size and precision make it ideal for space-constrained designs.

Q&A

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