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Constant Section (CS) Bearings KF300AR0
Constant Section (CS) Bearings KF300AR0

Constant Section (CS) Bearings KF300AR0

The KF300AR0 is a constant section bearing measuring 30″ in bore diameter and 31.5″ in outer diameter, with a slim width of just 0.75″. Made from chrome steel, it’s built to handle angular contact loads with a 30° contact angle.

This bearing supports dynamic radial loads up to 10533 lbf and static radial loads up to 41540 lbf, making it sturdy for heavy-duty applications. Its open design and brass cage ensure smooth operation and easy maintenance.

With a temperature range of -30°C to 110°C, it’s suitable for various environments. The ABEC-1 tolerance class offers reliable precision for industrial use.

Ideal for machinery requiring thin-section bearings, such as robotics or medical equipment. It’s interchangeable with KAYDON bearings, providing flexibility for replacements. Weighing 12.5 lbs, it balances strength and lightweight design.

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Product Parameters

  • Part Number KF300AR0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Angular Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 30"
  • Bore Dia Tolerance -0.0018"– 0"
  • Outer Dia 31.5"
  • Outer Dia Tolerance -0.0018"– 0"
  • Width 0.75"
  • Width Tolerance +.000 –.010"
  • 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 30.555"
  • Internal Diameter On Outer Ring (Small Side Face) 30.945"
  • Internal Diameter On Outer Ring (Large Side Face) 31.075"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 10533 lbf
  • Static Radial Load 41540 lbf
  • Static Thrust Load 29430 lbf
  • Static Moment 119900 lbf
  • Temperature Range -30°C to 110 °C
  • ISO Radial 13848 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 12.5 lbs
  • price($) 1851.19

Features

Performance Features of KF300AR0 Bearing

KF300AR0 Bearing is crafted with chrome steel rings and balls, offering robust performance for angular contact applications.
Its brass cage ensures smooth operation by maintaining proper ball alignment under dynamic loads.
With a dynamic radial load capacity of 10533 lbf, it handles demanding tasks efficiently.
The ABEC-1 tolerance class guarantees consistent precision in various operating conditions.

Application

Key Fields for KF300AR0 Bearing
KF300AR0 Bearing is commonly used in industrial robotics, where its thin-section design saves space without compromising load capacity. The angular contact feature ensures smooth movement in articulated arms and precision positioning systems.

In aerospace applications, KF300AR0 Bearing handles both radial and moment loads in control mechanisms. Its brass cage and chrome steel construction provide reliable performance under varying temperatures and stresses.

For medical imaging devices, KF300AR0 Bearing offers low-friction rotation essential for accurate scans. The ABEC-1 tolerance class ensures consistent operation in sensitive diagnostic equipment.

Automotive steering systems benefit from KF300AR0 Bearing’s ability to manage combined loads. The 30° contact angle optimises responsiveness in driver-assist technologies and electric power steering units.

In packaging machinery, KF300AR0 Bearing supports high-speed conveyor rollers with minimal vibration. Its open design simplifies lubrication maintenance during continuous production runs.

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