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Constant Section (CS) Bearings SG250AR0
Constant Section (CS) Bearings SG250AR0

Constant Section (CS) Bearings SG250AR0

The SG250AR0 is a constant section bearing measuring 25″×27″×1″, made from durable stainless steel for long-lasting performance. It handles angular contact loads with a 30° contact angle and supports radial loads up to 15239 lbf.

Its open design and brass cage ensure smooth operation, while the ABEC-1 tolerance class offers reliable precision. The bearing works in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

This model is interchangeable with KAYDON bearings, making it a practical choice for replacements. Ideal for applications requiring thin-section bearings, such as robotics or precision machinery.

Weighing 18.8 lbs, it’s robust yet suitable for space-constrained setups. Compliant with RoHS standards for safe and eco-friendly use.

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Product Parameters

  • Part Number SG250AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 25"
  • Bore Dia Tolerance -0.0018"– 0"
  • Outer Dia 27"
  • Outer Dia Tolerance -0.0018"– 0"
  • Width 1"
  • Width Tolerance +.000 –.010"
  • Thin Section Bearings Type Reali-Slim Stainless Steel Bearings
  • Series SG 1" x 1"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 25.742"
  • Internal Diameter On Outer Ring (Small Side Face) 26.258"
  • Internal Diameter On Outer Ring (Large Side Face) 26.461"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Brass
  • Dynamic Radial Load 15239 lbf
  • Static Radial Load 49280 lbf
  • Static Thrust Load 40920 lbf
  • Static Moment 142300 lbf
  • Temperature Range -30°C to 110 °C
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 18.8 lbs
  • price($) 2857.51

Features

Performance Features of SG250AR0 Bearing

SG250AR0 Bearing is constructed with stainless steel rings and balls, offering strong resistance to angular contact loads.
Its dynamic radial load capacity reaches 15239 lbf, ensuring reliable performance in various applications.
The brass cage maintains ball alignment, reducing friction and extending operational life.
With a temperature range of -30°C to 110°C, it performs well in diverse environments.

How Is SG250AR0 Bearing Engineered for Reliability?

SG250AR0 Bearing features a 30° contact angle, optimised for handling combined radial and thrust loads.
The stainless steel construction provides excellent corrosion resistance, suitable for harsh conditions.
Its ABEC-1 tolerance class ensures consistent performance and smooth operation.
The thin-section design saves space while maintaining high load capacity.

Built for Durability: SG250AR0 Bearing

SG250AR0 Bearing’s brass cage reduces wear, enhancing longevity in high-load scenarios.
With a static radial load capacity of 49280 lbf, it excels in demanding industrial applications.
The open seal design allows for easy lubrication, ensuring minimal maintenance.
Its precise dimensions (25″×27″×1″) make it ideal for space-constrained installations.

Steel vs Ceramic Bearings: Strengths of SG250AR0 Bearing

SG250AR0 Bearing uses stainless steel for both rings and balls, balancing cost and performance.
This material choice provides good corrosion resistance without the expense of ceramic options.
The bearing’s 1″ width and large diameters (25″-27″) suit applications requiring slim profiles.
Its compatibility with KAYDON models offers flexibility in replacements and upgrades.

Application

Industrial Uses of SG250AR0 Bearing
SG250AR0 Bearing is commonly used in industrial machinery where space constraints are a concern, thanks to its slim 1″ profile. The stainless steel construction ensures durability in environments with moderate loads and speeds.

Where Is SG250AR0 Bearing Used?
You’ll often find SG250AR0 Bearing in automation systems, particularly in robotic arms and precision positioning equipment. Its 30° contact angle provides excellent stability for angular loads.

Built for Heavy-Duty Use: SG250AR0 Bearing
SG250AR0 Bearing handles radial and thrust loads effectively, making it suitable for applications like rotary tables and indexing heads. The brass cage adds corrosion resistance in humid conditions.

Automotive vs Aerospace: Applications of SG250AR0 Bearing
In automotive systems, SG250AR0 Bearing supports steering components, while in aerospace, it’s used in control mechanisms due to its lightweight design. The ABEC-1 tolerance ensures reliable performance in both fields.

Perfect Fit for Automation: SG250AR0 Bearing
SG250AR0 Bearing works well in 3D printers and CNC machines, where its thin section design saves space without sacrificing load capacity. The open seal type allows for easy lubrication maintenance.

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