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558 Single Cones (Imperial)
558 Single Cones (Imperial)

558 Single Cones (Imperial)

The 558 single cones are tapered roller bearings with a 2.375″ bore, designed for combined loads and made from durable chrome steel. They handle dynamic radial loads up to 50,800 lbf and are suitable for temperatures from -30°C to 110°C.

Their open design allows easy maintenance, while the steel cage ensures reliable performance. The bearings come in standard radial clearance but are also available in C3, C4, and C5 options for different needs.

These cones are part of the 555 series and are interchangeable with Timken models, making them a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing in at a sturdy build, they meet RoHS and REACH standards for safe use. Their ABEC-1 rating ensures consistent performance in demanding conditions.

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Product Parameters

  • Part Number 558
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 558-552 , 558-552A , 558-553A , 558-553X , 558-S-553-SA , 558-S-553A , 558-552-B , 558-S-553-SB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 555
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.09"
  • Cone Frontface Backing Diameter 2.83"
  • Cone Backface Backing Diameter 2.99"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.37"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50800 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13200 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 88500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 7810 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 22900 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 558 Bearing Handle Combined Loads?

558 Bearing is built with chrome steel rings and a steel cage, providing strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 50,800 lbf, ensuring reliable performance in demanding conditions.

The tapered roller design of 558 Bearing ensures smooth operation under combined loads.
With a temperature range of -30° to 110°C, it performs well in various environments.

558 Bearing’s standard radial clearance options offer flexibility for different applications.
The steel cage maintains roller alignment, reducing wear and extending service life.

Application

Industrial Uses of 558 Single Cones
The 558 Single Cones are widely used in heavy machinery, such as mining equipment and construction vehicles, where their tapered roller design handles combined loads effectively. The open seal type allows for easy lubrication, extending service life in rugged conditions.

Where Is 558 Single Cones Used?
You’ll often find 558 Single Cones in agricultural machinery, supporting components like gearboxes and axles. Their inch sizing makes them a go-to choice for North American equipment, ensuring compatibility with legacy systems.

Built for Heavy-Duty Use: 558 Single Cones
In industrial fans and pumps, 558 Single Cones provide reliable performance under high radial and thrust loads. The chrome steel construction ensures durability, even in demanding environments with frequent start-stop cycles.

Automotive vs Aerospace: Applications of 558 Single Cones
While 558 Single Cones are common in truck wheel hubs, their precision also suits aerospace landing gear components. The steel cage balances strength and weight, making it versatile across industries.

Key Fields for 558 Single Cones
Railway applications benefit from 558 Single Cones’ ability to handle dynamic loads in bogies and drivetrains. The standard radial clearance option simplifies maintenance for fleet operators.

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