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Super Precision Angular Contact Ball Bearings S7008 ACDGC/P4A
Super Precision Angular Contact Ball Bearings S7008 ACDGC/P4A

Super Precision Angular Contact Ball Bearings S7008 ACDGC/P4A

The S7008 ACDGC/P4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3578 lbf and spins smoothly at speeds up to 41,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides stability for angular loads, making it versatile for various setups.

This bearing comes with a moderate preload (Class C) and is interchangeable with SKF models. Ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing just 0.19kg, it operates in temperatures from -30°C to 110°C. The universal matching feature allows flexible arrangements (back-to-back, face-to-face, or tandem) for different load needs.

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Product Parameters

  • Part Number S7008 ACDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 15 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 18
  • Contact Angle 25°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2340 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.19 kg

Features

Performance Features of S7008 ACDGC/P4A Bearing

S7008 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 3578 lbf, it handles demanding conditions with ease.
The sealed design and grease lubrication extend maintenance intervals, making it a reliable choice.

How Does S7008 ACDGC/P4A Bearing Achieve High-Speed Performance?

S7008 ACDGC/P4A Bearing reaches speeds up to 41,000 rpm, thanks to its precision P4A tolerance class.
The phenolic cage and chrome steel components minimise vibration, ensuring smooth operation.
Its moderate preload (Class C) enhances stability, ideal for high-speed applications.
The grease lubrication further supports consistent performance across a wide temperature range (-30°C to 110°C).

Engineered for Precision: S7008 ACDGC/P4A Bearing

S7008 ACDGC/P4A Bearing’s tight tolerances (-0.004mm to 0) ensure exceptional accuracy in precision tasks.
The 18-ball design and 7.938 mm ball diameter distribute loads evenly, reducing wear.
Its universal matching capability allows flexible arrangements (back-to-back, face-to-face, or tandem).
With a static radial load of 2340 lbf, it delivers reliable performance in varied setups.

Steel vs Ceramic Bearings: Strengths of S7008 ACDGC/P4A Bearing

S7008 ACDGC/P4A Bearing uses chrome steel for its rings and balls, offering a balance of strength and cost-efficiency.
The phenolic cage provides lightweight durability, reducing centrifugal force at high speeds.
Its sealed design protects against contaminants, extending service life.
With a weight of 0.19 kg, it maintains a compact profile without compromising performance.

Application

Key Fields for S7008 ACDGC/P4A Bearing
S7008 ACDGC/P4A Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S7008 ACDGC/P4A Bearing is ideal for electric motor systems, thanks to its angular contact design and grease lubrication. The chrome steel construction provides durability under varying loads and speeds.

For robotics, S7008 ACDGC/P4A Bearing offers reliable performance in articulated arms, where its phenolic cage reduces friction. The P4A tolerance class ensures consistent accuracy in repetitive movements.

Medical imaging devices benefit from S7008 ACDGC/P4A Bearing’s low noise and high-speed capabilities. The temperature range makes it suitable for equipment operating in controlled environments.

In 3D printers, S7008 ACDGC/P4A Bearing supports precise linear motion systems, contributing to print accuracy. The metric sizing ensures compatibility with a variety of industrial and consumer-grade machines.

Q&A

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