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Constant Section (CS) Bearings SB120AR0
Constant Section (CS) Bearings SB120AR0

Constant Section (CS) Bearings SB120AR0

The SB120AR0 is a slim stainless steel bearing with a 12-inch bore and 12.625-inch outer diameter, designed for angular contact loads. Its thin 0.3125-inch width makes it ideal for compact spaces, while the stainless steel construction ensures durability.

This single-row bearing handles dynamic radial loads up to 1623 lbf and static loads up to 5840 lbf, with a 30° contact angle for smooth operation. The brass cage enhances performance and longevity, even in temperatures from -30°C to 110°C.

Its open design allows easy lubrication, and the ABEC-1 tolerance ensures reliable precision. The bearing is interchangeable with KAYDON models, offering flexibility for replacements.

Weighing just 0.85 lbs, it’s lightweight yet robust. Suitable for applications requiring slim profiles and angular load handling, such as robotics or precision machinery. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number SB120AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 12"
  • Bore Dia Tolerance -0.0014"– 0"
  • Outer Dia 12.625"
  • Outer Dia Tolerance -0.0014"– 0"
  • Width 0.3125"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Stainless Steel Bearings
  • Series SB 5/16" x 5/16"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 12.231"
  • Internal Diameter On Outer Ring (Small Side Face) 12.393"
  • Internal Diameter On Outer Ring (Large Side Face) 12.445"
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Brass
  • Dynamic Radial Load 1623 lbf
  • Static Radial Load 5840 lbf
  • Static Thrust Load 4240 lbf
  • Static Moment 16860 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 2853 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.85 lbs
  • price($) 944.08

Features

How Does SB120AR0 Bearing Handle Angular Contact Loads?

SB120AR0 Bearing is crafted with stainless steel rings and balls, offering strong resistance to angular contact loads.
Its static radial load capacity reaches 5840 lbf, ensuring reliable performance in various applications.
The brass cage maintains ball alignment, reducing friction and extending service life.
With a temperature range of -30°C to 110°C, it performs well in diverse environments.

Application

Industrial Uses of SB120AR0 Bearing
SB120AR0 Bearing is commonly used in robotics and automation systems, where its thin-section design saves space without compromising performance. The stainless steel construction ensures durability in environments where corrosion resistance is important.

In aerospace applications, SB120AR0 Bearing provides reliable angular contact support for components like control mechanisms and landing gear systems. Its precise ABEC-1 tolerance makes it suitable for high-accuracy requirements.

For medical imaging devices, SB120AR0 Bearing’s smooth operation and low friction are ideal for sensitive equipment. The brass cage helps reduce wear, extending the bearing’s lifespan in continuous-use scenarios.

SB120AR0 Bearing is also found in semiconductor manufacturing equipment, where its consistent performance under radial loads is valued. The inch sizing makes it compatible with many North American industrial standards.

In packaging machinery, SB120AR0 Bearing handles moderate loads while maintaining precise alignment. Its open design allows for easy lubrication, ensuring smooth operation in high-speed production lines.

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