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Constant Section (CS) Bearings SD042AR0
Constant Section (CS) Bearings SD042AR0

Constant Section (CS) Bearings SD042AR0

The SD042AR0 is a slim, stainless steel angular contact bearing measuring 4.25″×5.25″×0.5″, designed for precision applications. It handles radial loads up to 1876 lbf and static thrust loads up to 4420 lbf, with a smooth operation up to 110°C.

Its single-row design with a 30° contact angle ensures stable performance under angular loads. The brass cage adds durability, while the open seal allows for easy maintenance and relubrication.

This bearing is interchangeable with KAYDON models, making it a versatile choice for replacements. Ideal for use in robotics or medical equipment where slim profiles and reliable performance are key.

Weighing just 0.84 lbs, it’s lightweight yet robust. Compliant with RoHS standards, it’s a safe and efficient option for various industrial needs.

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Product Parameters

  • Part Number SD042AR0
  • 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 Stainless Steel Bearings
  • Series SD 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 Stainless Steel
  • Ball Material Stainless 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
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.84 lbs
  • price($) 231.11

Features

Why Choose SD042AR0 Bearing for Precision Tasks?

SD042AR0 Bearing features a 30° contact angle, providing excellent angular contact performance for precise applications.
Its stainless steel construction ensures durability and resistance to corrosion in various environments.

The brass cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 1876 lbf, it handles demanding tasks reliably.

SD042AR0 Bearing operates within a temperature range of -30°C to 110°C, suitable for diverse conditions.
Its ABEC-1 tolerance class guarantees consistent performance in precision machinery.

Application

Essential Roles of SD042AR0 Bearing
SD042AR0 Bearing is commonly used in industrial automation, particularly in robotic arms and precision machinery where its thin section design saves space without compromising strength. The stainless steel construction ensures durability in demanding environments.

In aerospace applications, SD042AR0 Bearing provides reliable angular contact support for control systems and actuators. Its ABEC-1 tolerance makes it suitable for scenarios requiring consistent performance under varying loads.

For medical imaging devices, SD042AR0 Bearing’s brass cage and stainless steel components offer smooth operation with minimal friction. The open seal design allows for easy lubrication, extending service life in high-use medical equipment.

Where Is SD042AR0 Bearing Used?
You’ll often find SD042AR0 Bearing in optical equipment like telescopes and microscopes, where its precise angular contact ensures accurate alignment. The inch sizing makes it compatible with many North American and UK-based systems.

In packaging machinery, SD042AR0 Bearing handles radial and moment loads efficiently, thanks to its brass cage and stainless steel balls. The thin profile is ideal for compact designs without sacrificing load capacity.

Built for Heavy-Duty Use: SD042AR0 Bearing
SD042AR0 Bearing excels in construction equipment, supporting components like conveyor rollers and pivot joints. Its high static moment rating ensures stability even under uneven loads.

For semiconductor manufacturing, SD042AR0 Bearing’s clean operation and resistance to wear make it a go-to choice. The lubricated design reduces maintenance needs in sensitive production environments.

Automotive vs Aerospace: Applications of SD042AR0 Bearing
In automotive steering systems, SD042AR0 Bearing provides smooth angular contact for precise control. Its stainless steel rings resist corrosion from road salts and moisture.

Aerospace applications benefit from SD042AR0 Bearing’s lightweight yet robust design, ideal for flight control mechanisms. The temperature range ensures performance from ground operations to high-altitude conditions.

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