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Super Precision Angular Contact Ball Bearings S71902 CDGB/P4A

Super Precision Angular Contact Ball Bearings S71902 CDGB/P4A

The S71902 CDGB/P4A is a super precision angular contact ball bearing, measuring 15mm by 28mm by 7mm. Made from chrome steel, it’s designed for high-speed applications with a 15° contact angle.

It handles dynamic radial loads up to 893 lbf and spins smoothly at speeds up to 115,000 RPM. The sealed design keeps grease in and contaminants out, ensuring long-lasting performance.

With a phenolic cage and P4A tolerance class, it offers excellent precision and stability. The bearing is suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for precision machinery like spindles or dental tools, it operates in temperatures from -30°C to 110°C. Weighing just 0.016kg, it’s lightweight yet durable for its size.

This model is interchangeable with SKF bearings, making it a reliable choice for replacements. Compliant with industry standards, it’s a versatile option for demanding applications.

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Product Parameters

  • Part Number S71902 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 893 lbf
  • Static Radial Load 428 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 115000 rpm
  • Weight 0.016 kg
Super Precision Angular Contact Ball Bearings S71902 CDGB/P4A dimension drawing
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Features

How Is S71902 CDGB/P4A Bearing Engineered for Reliability?

S71902 CDGB/P4A Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 893 lbf, it delivers consistent performance in precision applications.
Its P4A tolerance class guarantees high accuracy, making it suitable for demanding tasks.

The sealed design and grease lubrication minimise maintenance, extending operational life.
It operates smoothly at speeds up to 115,000 rpm, maintaining reliability in high-speed conditions.

Application

Key Fields for S71902 CDGB/P4A Bearing
S71902 CDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71902 CDGB/P4A Bearing supports smooth movement in articulated arms, thanks to its light preload and phenolic cage. Its compact size makes it ideal for space-constrained applications.

For medical imaging devices, S71902 CDGB/P4A Bearing’s chrome steel components provide reliable operation under consistent radial loads. The P4A tolerance class ensures minimal vibration, crucial for sensitive equipment.

In automotive electric motors, S71902 CDGB/P4A Bearing handles high rotational speeds while maintaining stability. The grease lubrication extends service life, reducing maintenance needs.

Consumer electronics like high-end printers benefit from S71902 CDGB/P4A Bearing’s quiet operation and durability. Its metric sizing allows easy integration into various compact designs.

Q&A

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