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Super Precision Angular Contact Ball Bearings S71908 CD/P4ADBD

Super Precision Angular Contact Ball Bearings S71908 CD/P4ADBD

The S71908 CD/P4ADBD is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel, it offers excellent durability and handles both radial and angular loads with ease.

Its sealed design keeps lubrication in and contaminants out, ensuring smooth operation. The phenolic cage reduces friction, while the heavy preload (Class D) provides stability under high speeds.

This bearing set includes two matched bearings (DB arrangement), ideal for applications requiring precise alignment. It spins up to 41,000 RPM and works in temperatures from -30°C to 110°C.

Perfect for machine tools or high-speed spindles, where accuracy and reliability are key. Weighing just 0.23kg, it’s lightweight yet robust for demanding environments. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71908 CD/P4ADBD
  • 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 Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings S71908 CD/P4ADBD dimension drawing
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Features

Performance Features of S71908 CD/P4ADBD Bearing

S71908 CD/P4ADBD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage enhances performance at high speeds.

The matched arrangement of two bearings provides stability, ideal for precision tasks.
With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions reliably.

S71908 CD/P4ADBD Bearing operates smoothly at speeds up to 41,000 rpm, thanks to its grease lubrication.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.

The sealed design protects against contaminants, extending service life in harsh environments.
With a temperature range of -30°C to 110°C, it performs consistently in varied conditions.

Application

Industrial Uses of S71908 CD/P4ADBD Bearing
S71908 CD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S71908 CD/P4ADBD Bearing supports high-speed components like turbochargers and transmission systems. Its heavy preload and matched arrangement provide stability under varying loads, making it a reliable choice for performance vehicles.

For medical imaging devices, S71908 CD/P4ADBD Bearing’s phenolic cage and chrome steel construction offer smooth, quiet operation. The P4A tolerance class ensures the precision needed for sensitive diagnostic equipment.

In robotics, S71908 CD/P4ADBD Bearing is ideal for articulated arms and joints, where its angular contact design handles combined radial and axial loads. The grease lubrication reduces maintenance needs, perfect for automated systems.

Household appliances like high-end blenders benefit from S71908 CD/P4ADBD Bearing’s durability and low noise. Its sealed design prevents grease leakage, keeping the appliance clean and efficient over time.

Q&A

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