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Super Precision Angular Contact Ball Bearings S71908 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71908 CDGA/P4A

The S71908 CDGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with an extra light preload for smooth operation.

This bearing handles radial loads up to 2790 lbf and spins at speeds up to 41,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction during use.

Designed for angular contact loads, it works well in temperatures from -30°C to 110°C. The bearing is interchangeable with SKF models and can be paired in back-to-back, face-to-face, or tandem arrangements.

Weighing just 0.11kg, it’s lightweight yet robust, ideal for precision machinery like spindles or dental equipment. Compliant with P4A tolerance standards for reliable accuracy.

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Product Parameters

  • Part Number S71908 CDGA/P4A
  • 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 12 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 No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2790 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.11 kg
  • Price（$） 81.261
Super Precision Angular Contact Ball Bearings S71908 CDGA/P4A dimension drawing
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Features

Performance Features of S71908 CDGA/P4A Bearing

S71908 CDGA/P4A Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing’s P4A tolerance class guarantees high precision, making it suitable for demanding applications.
With a maximum speed of 41,000 rpm, it delivers reliable performance in high-speed scenarios.

S71908 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, extending service life.

The dynamic radial load capacity of 2790 lbf ensures robust performance under stress.
Its universal matching capability allows flexible arrangement options for various setups.

Application

Key Fields for S71908 CDGA/P4A Bearing
S71908 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71908 CDGA/P4A Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage reduces friction, making it ideal for repetitive motions.

For medical imaging devices, S71908 CDGA/P4A Bearing offers consistent performance due to its chrome steel construction. The extra light preload ensures minimal vibration, crucial for clear imaging results.

Automotive applications like electric vehicle motors benefit from S71908 CDGA/P4A Bearing’s high-speed capability. Its grease lubrication extends service life, even under continuous use.

In 3D printers, S71908 CDGA/P4A Bearing enables precise linear motion, essential for detailed prints. The P4A tolerance class guarantees the accuracy needed for fine adjustments.

Q&A

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