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Super Precision Angular Contact Ball Bearings S7019 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S7019 ACDGA/P4A

The S7019 ACDGA/P4A is a super precision angular contact ball bearing with a 95mm bore and 145mm outer diameter, designed for high accuracy applications. Its 25° contact angle efficiently handles both radial and axial loads, with dynamic radial load capacity up to 17122 lbf.

Made from durable chrome steel with a phenolic cage, it offers smooth operation at speeds up to 15000 RPM. The sealed design keeps grease in and contaminants out, reducing maintenance needs.

This bearing comes with an extra light preload (Class A) for precise performance in demanding setups. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

Ideal for machine tools, spindles, or high-speed applications where precision is key. Weighing 1.22kg, it’s robust yet manageable for its size. The P4A tolerance class ensures top-tier accuracy for critical operations.

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Product Parameters

  • Part Number S7019 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 21
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17122 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.22 kg
Super Precision Angular Contact Ball Bearings S7019 ACDGA/P4A dimension drawing
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Features

Performance Features of S7019 ACDGA/P4A Bearing

S7019 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 17122 lbf, it suits demanding applications.

S7019 ACDGA/P4A Bearing operates smoothly at speeds up to 15,000 rpm, thanks to its grease lubrication.
Its P4A tolerance class guarantees exceptional accuracy for precision tasks.

Designed for universal matching, it supports back-to-back, face-to-face, or tandem arrangements.
This versatility makes it ideal for complex machinery requiring reliable angular contact bearings.

Application

Industrial Uses of S7019 ACDGA/P4A Bearing
S7019 ACDGA/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 keep contaminants out, extending the bearing’s lifespan in demanding environments.

In robotics, S7019 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and phenolic cage. Its high dynamic radial load capacity makes it suitable for repetitive, high-stress movements.

For aerospace applications, S7019 ACDGA/P4A Bearing’s P4A tolerance class ensures reliability in navigation systems and actuators. The chrome steel rings and balls offer durability under varying temperatures and loads.

Where Is S7019 ACDGA/P4A Bearing Used?
You’ll often find S7019 ACDGA/P4A Bearing in medical imaging devices, where its low vibration and high precision are crucial for clear scans. The grease lubrication ensures quiet operation, ideal for sensitive environments.

In automotive testing equipment, S7019 ACDGA/P4A Bearing supports precise measurements due to its consistent performance under radial loads. Its metric sizing makes it easy to integrate into European-designed systems.

Built for Heavy-Duty Use: S7019 ACDGA/P4A Bearing
S7019 ACDGA/P4A Bearing handles heavy loads in industrial pumps, where its angular contact design manages both radial and axial forces. The phenolic cage reduces friction, improving efficiency in continuous operations.

For wind turbine pitch systems, S7019 ACDGA/P4A Bearing’s temperature range and sealed design protect against harsh weather. Its high-speed capability ensures reliable performance in variable wind conditions.

Automotive vs Aerospace: Applications of S7019 ACDGA/P4A Bearing
In automotive transmissions, S7019 ACDGA/P4A Bearing supports smooth gear shifts with its angular contact and low friction. The grease lubrication reduces maintenance needs for long-term use.

For aerospace actuators, S7019 ACDGA/P4A Bearing’s precision and durability are critical in high-altitude conditions. The P4A tolerance class ensures consistent performance under extreme pressures.

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