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Constant Section (CS) Bearings KD042AR0
Constant Section (CS) Bearings KD042AR0

Constant Section (CS) Bearings KD042AR0

The KD042AR0 is a slim, angular contact ball bearing measuring 4.25″×5.25″×0.5″, crafted from durable chrome steel with a brass cage. It handles radial loads up to 1876 lbf and thrust loads up to 4420 lbf, suitable for moderate-speed applications.

Its open design allows easy lubrication, while the 30° contact angle ensures smooth operation under combined loads. The bearing operates in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is interchangeable with KAYDON bearings, ideal for precision equipment like robotics or medical devices where space is limited. Weighing just 0.84 lbs, it offers strength without bulk. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number KD042AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.25"
  • Bore Dia Tolerance -0.0008" – 0"
  • Outer Dia 5.25"
  • Outer Dia Tolerance -0.0008" – 0"
  • Width 0.5"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KD 1/2" x 1/2"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 4.620"
  • Internal Diameter On Outer Ring (Small Side Face) 4.880"
  • Internal Diameter On Outer Ring (Large Side Face) 4.991"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 1876 lbf
  • Static Radial Load 3750 lbf
  • Static Thrust Load 4420 lbf
  • Static Moment 10830 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 3786 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.84 lbs
  • price($) 123.4

Features

Why Choose KD042AR0 Bearing for Precision Tasks?

KD042AR0 Bearing features a 30° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and consistent performance under radial and thrust loads.

The brass cage maintains ball alignment, reducing friction and enhancing smooth operation.
With ABEC-1 tolerance class, it delivers reliable precision in various industrial settings.

KD042AR0 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

Application

Essential Roles of KD042AR0 Bearing
KD042AR0 Bearing is commonly used in industrial automation, particularly in robotic arms where its slim profile and angular contact design ensure smooth movement. The open seal type allows for easy lubrication, making it suitable for high-precision tasks.

Where Is KD042AR0 Bearing Used?
In aerospace applications, KD042AR0 Bearing supports control systems due to its ability to handle both radial and thrust loads. Its chrome steel construction ensures durability in demanding environments.

Perfect Fit for Automation: KD042AR0 Bearing
KD042AR0 Bearing works well in 3D printers, where its thin section design saves space without compromising performance. The brass cage reduces friction, enhancing the bearing’s lifespan.

Automotive vs Aerospace: Applications of KD042AR0 Bearing
In automotive steering systems, KD042AR0 Bearing provides reliable angular contact support. For aerospace, its lightweight and high-load capacity make it ideal for flight control mechanisms.

Industrial Uses of KD042AR0 Bearing
KD042AR0 Bearing is found in conveyor systems, where its ABEC-1 tolerance ensures consistent operation. The inch sizing makes it compatible with a variety of North American machinery.

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