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Constant Section (CS) Bearings KB045XP0

Constant Section (CS) Bearings KB045XP0

The KB045XP0 is a thin-section ball bearing measuring 4.5″ by 5.125″ with a slim 0.3125″ width, made from durable chrome steel. It handles radial loads up to 1165 lbf and thrust loads up to 1850 lbf, suitable for moderate-speed applications.

Its open design and brass cage ensure smooth operation, while the ABEC-1 tolerance 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 robotics or precision machinery where space is limited but performance is key.

Weighing just 0.33 lbs, it’s lightweight yet sturdy. Compliant with RoHS standards for safe and versatile use.

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Product Parameters

  • Part Number KB045XP0
  • Brand TFL
  • Interchangeable KAYDON
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Four Point Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 4.5"
  • Bore Dia Tolerance -0.0008"- 0"
  • Outer Dia 5.125"
  • Outer Dia Tolerance -0.0008"- 0"
  • Width 0.3125"
  • Width Tolerance +.000 –.005"
  • Thin Section Bearings Type Reali-Slim Open Bearings
  • Series KB 5/16" x 5/16"
  • Tolerance Class ABEC-1
  • Radial Clearance 0.0000 – 0.0005"
  • External Diameter On Inner Ring 4.731"
  • Internal Diameter On Outer Ring (Small Side Face) 4.893"
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 1165 lbf
  • Static Radial Load 1950 lbf
  • Static Thrust Load 4880 lbf
  • Static Moment 4690 lbf
  • Temperature Range -30°C to 110 °C
  • Moment Load Rating 2 lbf
  • Dynamic Thrust Load 1850 lbf
  • Lubrication Lubricated
  • RoHS Compliant
  • Weight 0.33 lbs
  • price（$） 157.33
Constant Section (CS) Bearings KB045XP0 dimension drawing
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Features

How Does KB045XP0 Bearing Handle Heavy Loads?

KB045XP0 Bearing features a four-point contact design, providing excellent load distribution for both radial and thrust loads.
Its chrome steel construction ensures durability, with a static thrust load capacity of 4880 lbf.
The brass cage maintains ball alignment, reducing friction and extending the bearing’s life.
With a temperature range of -30°C to 110°C, it performs reliably in various conditions.

Application

Key Fields for KB045XP0 Bearing
KB045XP0 Bearing is commonly used in robotics, especially in articulated arms where its thin section design saves space without compromising load capacity. The brass cage ensures smooth rotation, which is vital for precise movements.

In aerospace applications, KB045XP0 Bearing handles moderate radial and thrust loads in control systems. Its chrome steel construction offers durability while meeting the strict weight requirements of aircraft components.

For medical imaging devices, KB045XP0 Bearing provides reliable performance due to its consistent tolerances. The open design allows for easy lubrication, ensuring long service life in critical equipment.

Automotive steering systems benefit from KB045XP0 Bearing’s ability to manage both radial and moment loads. Its inch sizing makes it a straightforward replacement in many North American vehicle models.

In industrial automation, KB045XP0 Bearing supports conveyor rollers where its slim profile fits into tight spaces. The ABEC-1 tolerance ensures dependable operation in high-speed production lines.

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