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Super Precision Angular Contact Ball Bearings S71905 CDGB/HCP4A

Super Precision Angular Contact Ball Bearings S71905 CDGB/HCP4A

The S71905 CDGB/HCP4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, designed for high-speed applications. Its compact 9mm width and lightweight 0.038kg design make it suitable for tight spaces.

The bearing features a 15° contact angle and ceramic balls, offering smooth rotation at speeds up to 83,000 RPM. It handles radial loads up to 1521 lbf and comes pre-greased for easy use.

With a sealed design and phenolic cage, it requires minimal maintenance while providing reliable performance. The P4A tolerance class ensures high precision in demanding conditions.

Ideal for machine tools or high-speed spindles, this bearing operates in temperatures from -30°C to 110°C. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile setups.

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Product Parameters

  • Part Number S71905 CDGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 900 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.038 kg
Super Precision Angular Contact Ball Bearings S71905 CDGB/HCP4A dimension drawing
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Features

Performance Features of S71905 CDGB/HCP4A Bearing

S71905 CDGB/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 83,000 rpm.
With a dynamic radial load capacity of 1521 lbf, it handles demanding conditions reliably.

S71905 CDGB/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs.

The P4A tolerance class guarantees precision, making it suitable for high-accuracy applications.
Its lightweight design at 0.038 kg ensures easy integration without compromising performance.

Application

Key Fields for S71905 CDGB/HCP4A Bearing
S71905 CDGB/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In automotive systems, S71905 CDGB/HCP4A Bearing supports electric motor shafts, providing reliable performance under angular loads. Its sealed design helps keep contaminants out, extending service life in demanding conditions.

For medical imaging devices, S71905 CDGB/HCP4A Bearing’s phenolic cage and grease lubrication offer quiet, low-maintenance operation. The P4A tolerance class ensures consistent performance in sensitive equipment.

Automation systems benefit from S71905 CDGB/HCP4A Bearing’s light preload, which enhances positioning accuracy in robotic arms. The universal matching option allows for flexible configurations in complex assemblies.

In consumer electronics, S71905 CDGB/HCP4A Bearing’s compact size and high-speed capability make it suitable for precision devices like 3D printers. The chrome steel rings provide durability without compromising on weight.

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