+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71909 ACDGA/VQ253

Super Precision Angular Contact Ball Bearings 71909 ACDGA/VQ253

The 71909 ACDGA/VQ253 is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2790 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is part of a matched set of three, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing just 0.13kg, it’s lightweight yet robust, meeting P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings for easy replacement.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71909 ACDGA/VQ253
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 3
  • 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 2025 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71909 ACDGA/VQ253 dimension drawing
Download DWG Download PDF

Features

Performance Features of 71909 ACDGA/VQ253 Bearing

71909 ACDGA/VQ253 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2790 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotations.
With a maximum speed of 41,000 rpm, it delivers reliable performance in precision tasks.

71909 ACDGA/VQ253 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement options (back-to-back, face-to-face, or tandem) provide flexibility for various setups.

The extra light preload (Class A) ensures minimal friction, enhancing operational efficiency.
Its P4A tolerance class guarantees high precision, making it suitable for demanding applications.

Application

Industrial Uses of 71909 ACDGA/VQ253 Bearing
71909 ACDGA/VQ253 Bearing is commonly used in high-speed machine tools, where its 25° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it ideal for applications requiring smooth operation.

Where Is 71909 ACDGA/VQ253 Bearing Used?
In automotive systems, 71909 ACDGA/VQ253 Bearing supports components like electric motors and transmissions, thanks to its extra-light preload and high-speed capability. Its metric sizing ensures compatibility with a variety of vehicle designs.

Perfect Fit for Automation: 71909 ACDGA/VQ253 Bearing
For robotics and automation, 71909 ACDGA/VQ253 Bearing’s matched arrangement and P4A tolerance class provide the accuracy needed for repetitive tasks. The open design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where 71909 ACDGA/VQ253 Bearing Excels
In medical imaging devices, 71909 ACDGA/VQ253 Bearing’s chrome steel construction ensures reliability under continuous use. Meanwhile, in industrial settings, its high dynamic load capacity makes it suitable for heavy machinery.

How Does 71909 ACDGA/VQ253 Bearing Support High-Speed Operations?
With a max speed of 41,000 rpm, 71909 ACDGA/VQ253 Bearing is a go-to choice for spindle applications in CNC machines. Its universal matching feature allows for flexible configurations in complex assemblies.

Q&A

SEND INQUIRY