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TS (Single Row Tapered Roller Bearings) (Imperial) 557A-552

TS (Single Row Tapered Roller Bearings) (Imperial) 557A-552

The 557A-552 is a single-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 42900 lbf radially and 6590 lbf thrust, making it sturdy for heavy-duty use.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial conditions.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like gearboxes or heavy machinery where combined loads are common.

Weighing 4.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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Product Parameters

  • Part Number 557A-552
  • 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 1.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.310"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.72"
  • Cone Backface Backing Diameter 3.31"
  • 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 557A
  • Cup Part Number 552
  • 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 42900 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6590 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 Does 557A-552 Bearing Handle Combined Loads?

557A-552 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 42,900 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 557A-552 Bearing Suitable for Heavy-Duty Applications?

557A-552 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, even under high static radial loads of 55,700 lbf.
Its standard radial clearance allows for smooth operation, reducing wear over time.
The open seal design simplifies maintenance, making it a practical choice for industrial use.

Engineered for Precision: 557A-552 Bearing

557A-552 Bearing’s precise cone and cup dimensions ensure accurate alignment during installation.
The tapered roller design distributes loads evenly, improving efficiency and reducing stress.
With an ABEC-1 rating, it balances performance and affordability for various applications.
Its effective centre location of -0.37″ enhances stability in complex assemblies.

Built for Reliability: 557A-552 Bearing

557A-552 Bearing’s robust steel cage keeps rollers in place, minimising operational noise.
The chrome steel rollers resist wear, maintaining performance over extended periods.
Its dynamic thrust rating of 6,590 lbf ensures consistent operation under heavy loads.
The standard lubrication requirement keeps maintenance straightforward and cost-effective.

Application

Industrial Uses of 557A-552 Bearing
The 557A-552 Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

What Makes 557A-552 Bearing a Preferred Choice?
In automotive applications, 557A-552 Bearing fits well in wheel hubs and differential systems, providing reliable performance under radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 557A-552 Bearing
For industrial conveyor systems, 557A-552 Bearing offers smooth operation and long service life, thanks to its robust steel cage. The standard radial clearance allows for easy installation and maintenance.

Automotive vs Aerospace: Applications of 557A-552 Bearing
While 557A-552 Bearing excels in automotive wheel assemblies, it’s also suitable for aerospace ground support equipment. Its ABEC-1 rating ensures consistent performance in both sectors.

Perfect Fit for Automation: 557A-552 Bearing
In automated production lines, 557A-552 Bearing supports robotic arms and assembly systems with precision. The open design simplifies lubrication, reducing downtime.

Q&A

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