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Constant Section (CS) Bearings KF120BR0K
Constant Section (CS) Bearings KF120BR0K

Constant Section (CS) Bearings KF120BR0K

The KF120BR0K is a constant section bearing measuring 12″×13.5″×0.75″, made from durable chrome steel with a brass cage. It handles angular contact loads and fits into tight spaces thanks to its slim design.

With a 30° contact angle, it supports radial loads up to 6487 lbf and static thrust loads up to 16290 lbf. Its open design allows for easy lubrication and maintenance.

This bearing operates smoothly in temperatures from -30°C to 110°C. It’s interchangeable with KAYDON bearings, making it a versatile choice for replacements.

Ideal for applications requiring precision and space efficiency, such as robotics or medical equipment. Weighing 5.2 lbs, it’s robust yet manageable for its size. Compliant with RoHS standards for safe use.

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Product Parameters

  • Part Number KF120BR0K
  • 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 13.5"
  • Outer Dia Tolerance -0.0014"– 0"
  • Width 0.75"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KF 3/4" x 3/4"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • Contact Angle 30°
  • External Diameter On Inner Ring 12.555"
  • Internal Diameter On Outer Ring (Small Side Face) 12.945"
  • Internal Diameter On Outer Ring (Large Side Face) 13.104"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 6487 lbf
  • Static Radial Load 17100 lbf
  • Static Thrust Load 16290 lbf
  • Static Moment 49380 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 9969 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 5.2 lbs
  • price($) 295.28

Features

How Does KF120BR0K Bearing Handle Angular Contact Loads?

KF120BR0K Bearing features a 30° contact angle, optimised for angular contact loads with smooth operation.
Its chrome steel rings and balls provide strong resistance to both radial and thrust loads.

The brass cage ensures proper ball alignment, reducing friction and wear.
With a static radial load capacity of 17,100 lbf, it handles demanding applications reliably.

KF120BR0K Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its ABEC-1 tolerance class ensures consistent performance for precision tasks.

Application

Industrial Uses of KF120BR0K Bearing
KF120BR0K Bearing is commonly used in industrial machinery where space is limited but high precision is needed, such as robotic arms and packaging equipment. Its thin section design makes it ideal for applications requiring compact yet durable components.

Where Is KF120BR0K Bearing Used?
In automation systems, KF120BR0K Bearing provides smooth angular contact performance, perfect for CNC machines and rotary tables. The brass cage ensures reliable operation even under moderate loads.

Built for Heavy-Duty Use: KF120BR0K Bearing
KF120BR0K Bearing handles radial and thrust loads effectively, making it suitable for aerospace applications like satellite mechanisms. Its chrome steel construction offers good wear resistance in demanding environments.

Automotive vs Aerospace: Applications of KF120BR0K Bearing
In automotive steering systems, KF120BR0K Bearing ensures precise control, while in aerospace, it supports lightweight yet strong mechanisms. The ABEC-1 tolerance guarantees consistent performance across different uses.

Perfect Fit for Automation: KF120BR0K Bearing
KF120BR0K Bearing works well in 3D printers and automated assembly lines due to its low friction and high accuracy. The open seal design allows for easy lubrication, extending its service life.

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