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Super Precision Angular Contact Ball Bearings 71908 CD/DBG32VQ253

Super Precision Angular Contact Ball Bearings 71908 CD/DBG32VQ253

The 71908 CD/DBG32VQ253 is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel, it offers high durability and smooth operation.

With a 15° contact angle, it handles both radial and thrust loads efficiently. It can spin at speeds up to 41,000 RPM and works in temperatures from -30°C to 110°C.

The matched pair design (DB arrangement) ensures stability, while the phenolic cage reduces friction. Preload options allow for fine-tuning performance.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are key. Compliant with P4A tolerance class for reliable performance. Weighs just 0.22kg.

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Product Parameters

  • Part Number 71908 CD/DBG32VQ253
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.22 kg
Super Precision Angular Contact Ball Bearings 71908 CD/DBG32VQ253 dimension drawing
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Features

Performance Features of 71908 CD/DBG32VQ253 Bearing

71908 CD/DBG32VQ253 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 4478 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 41,000 rpm, it delivers reliable high-speed performance.

71908 CD/DBG32VQ253 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class ensures high accuracy for demanding applications.

The matched arrangement of two bearings (DB) provides stability and balanced load handling.
Preload availability further enhances performance, reducing vibration and noise.

Lubrication is pre-applied, simplifying initial setup and ensuring smooth operation from the start.
The open seal design allows for easy maintenance and relubrication if needed.

Application

Industrial Uses of 71908 CD/DBG32VQ253 Bearing
71908 CD/DBG32VQ253 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle performance. The matched arrangement of two bearings provides stability under heavy radial and axial loads.

In automotive applications, 71908 CD/DBG32VQ253 Bearing supports gearbox systems, offering smooth operation at high rotational speeds. Its phenolic cage reduces friction, making it suitable for demanding driving conditions.

For robotics, 71908 CD/DBG32VQ253 Bearing is ideal for articulated arms, thanks to its low tolerance and high-speed capabilities. The open seal design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71908 CD/DBG32VQ253 Bearing’s quiet and precise rotation, essential for diagnostic accuracy. The chrome steel construction ensures durability in sterile environments.

In consumer electronics, 71908 CD/DBG32VQ253 Bearing can be found in high-performance printers, where its smooth operation reduces noise and vibration. The metric sizing ensures compatibility with various compact designs.

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