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TS (Single Row Tapered Roller Bearings) (Imperial) 558-552A

TS (Single Row Tapered Roller Bearings) (Imperial) 558-552A

The 558-552A is a single-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 50800 lbf radially and 7810 lbf thrust, suitable for demanding applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty machinery or automotive systems where combined loads are common.

Weighing 4.6 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 558-552A
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4.875" x 1.5"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.83"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 4.60"
  • Cup Backface Backing Diameter 4.29"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.37"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 558
  • Cup Part Number 552A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 555
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 7810 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.6 lb

Features

How Is 558-552A Bearing Engineered for Reliability?

558-552A Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 50,800 lbf, making it suitable for heavy-duty applications.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

What Makes 558-552A Bearing Suitable for High-Temperature Applications?

558-552A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
The chrome steel construction resists wear and maintains performance in demanding environments.
Its open design allows for easy lubrication, ensuring smooth operation even under high stress.
The tapered roller design distributes loads evenly, enhancing durability.

Built for Durability: 558-552A Bearing

558-552A Bearing is constructed with high-quality chrome steel for long-lasting performance.
Its single-row tapered roller design handles both radial and thrust loads effectively.
The precise tolerances ensure smooth operation and reduce the risk of premature wear.
With a static radial load capacity of 55,700 lbf, it excels in heavy-load scenarios.

Steel vs Ceramic Bearings: Strengths of 558-552A Bearing

558-552A Bearing uses chrome steel for its rollers and rings, offering excellent strength and durability.
The steel cage provides robust support, ensuring reliable performance under heavy loads.
Its tapered roller design efficiently manages combined loads, making it versatile for various applications.
The standard radial clearance option allows for flexibility in different operating conditions.

Application

Key Fields for 558-552A Bearing
In industrial settings, 558-552A Bearing is commonly used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 558-552A Bearing Used?
You’ll often find 558-552A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for American and British vehicle models.

Built for Heavy-Duty Use: 558-552A Bearing
For construction equipment, 558-552A Bearing provides robust support in excavators and cranes, thanks to its high static radial load capacity. The open design allows for easy lubrication and maintenance.

Automotive vs Industrial: Applications of 558-552A Bearing
In trucks, 558-552A Bearing ensures smooth operation in axle assemblies, while in industrial fans, it supports high-speed rotations. Its compatibility with Timken models adds to its versatility.

Perfect Fit for Automation: 558-552A Bearing
In automated production lines, 558-552A Bearing offers precise performance in robotic arms and assembly systems. The steel cage enhances stability under continuous use.

Q&A

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