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TS (Single Row Tapered Roller Bearings) (Imperial) 545-532A

TS (Single Row Tapered Roller Bearings) (Imperial) 545-532A

The 545-532A is a single-row tapered roller bearing with a 1.9375″ bore and 4.375″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 38700 lbf radially and 5090 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or industrial machinery where combined loads are common.

Weighing 3.8 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 545-532A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.9375" x 4.375" x 1.5001"
  • Bore Dia 1.9375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.455"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.1875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5001"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.24"
  • Cone Backface Backing Diameter 2.52"
  • Cup Frontface Backing Diameter 3.96"
  • Cup Backface Backing Diameter 3.74"
  • Cage Cone Frontface Clearance 0.07"
  • Cage Cone Backface Clearance 0.08"
  • Effective Center Location -0.48"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 545
  • Cup Part Number 532A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 535
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 46200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5090 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 3.8 lb

Features

How Does 545-532A Bearing Handle Combined Loads?

545-532A Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 38,700 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Structural Advantages of 545-532A Bearing

545-532A Bearing features a single-row tapered roller design, optimised for combined load handling.
The precise cone and cup width tolerances ensure smooth operation and easy installation.
Its effective center location at -0.48″ enhances stability during rotation.
The standard radial clearance option allows for flexibility in different applications.

Why Choose 545-532A Bearing for Heavy-Duty Applications?

545-532A Bearing’s chrome steel construction provides durability under high static radial loads up to 46,200 lbf.
The tapered roller design efficiently distributes stress, minimising wear over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness.
Its open seal type simplifies lubrication maintenance while ensuring reliable performance.

Application

Industrial Uses of 545-532A Bearing
545-532A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 545-532A Bearing Used?
In automotive applications, 545-532A Bearing fits well in wheel hubs and differentials, providing reliable performance under radial and thrust loads. Its imperial sizing makes it a go-to choice for North American vehicle models.

Built for Heavy-Duty Use: 545-532A Bearing
This bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds strength, making it suitable for high-load scenarios.

Automotive vs Aerospace: Applications of 545-532A Bearing
While 545-532A Bearing is popular in truck axles and heavy vehicles, its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance across both sectors.

Perfect Fit for Automation: 545-532A Bearing
In automated production lines, 545-532A Bearing supports conveyor systems and robotic arms with smooth operation. Its standard radial clearance adapts well to varying load conditions.

Q&A

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