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545-533DC TDO (Two-Row Double-Outer Race) (Imperial)

545-533DC TDO (Two-Row Double-Outer Race) (Imperial)

The 545-533DC is a double-row tapered roller bearing with a 1.9375″ bore and 4.375″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 67400 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing comes in standard radial clearance but is also available in C3, C4, or C5 options for different needs.

This model is part of the 535 series, offering reliable performance for heavy-duty applications. Ideal for use in industrial machinery or automotive systems where combined loads are common.

Weighing 7.79 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets international safety requirements.

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Product Parameters

  • Part Number 545-533DC
  • Brand TFL
  • Size 1.9375" x 4.375" x 1.455"
  • Bore Dia 1.9375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.375"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.5"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.455"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 3.125"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 2.52"
  • Cup Frontface Backing Diameter 3.96"
  • Cage Cone Backface Clearance 0.08"
  • Dynamic Radial Load 67400 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 545
  • Cup Part Number 533DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 535
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 10000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5090 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 17500 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 7.79 lb

Features

How Does 545-533DC Bearing Handle Combined Loads?

545-533DC Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 67,400 lbf, ensuring reliable performance in demanding conditions.
The double-row tapered roller design distributes loads evenly, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

What Makes 545-533DC Bearing Suitable for Heavy-Duty Applications?

545-533DC Bearing features a robust steel cage that keeps the rollers aligned, minimising friction and wear.
Its dynamic thrust rating of 5,090 lbf ensures smooth operation under heavy loads.
The standard radial clearance allows for flexibility in different applications.
Designed for combined loads, it is ideal for industrial machinery and equipment.

Engineered for Reliability: 545-533DC Bearing

545-533DC Bearing’s double-row construction provides stability and durability in high-load scenarios.
The chrome steel rollers and rings enhance its resistance to wear and fatigue.
With a wide operating temperature range, it remains reliable in varying conditions.
Its ABEC-1 rating ensures consistent performance for precision applications.

Why Choose 545-533DC Bearing for Industrial Use?

545-533DC Bearing’s tapered roller design ensures efficient load distribution, reducing stress on components.
The steel cage and chrome steel materials contribute to its long service life.
It operates smoothly within a broad temperature range, making it versatile for different environments.
Easy to maintain, it reduces downtime and operational costs.

Structural Advantages of 545-533DC Bearing

545-533DC Bearing’s double-row design enhances its load-bearing capacity and stability.
The precision-engineered rollers and raceways minimise friction, ensuring smooth operation.
Its standard radial clearance allows for easy installation and adaptability.
Built with chrome steel, it resists wear and extends service life in tough conditions.

Application

Industrial Uses of 545-533DC Bearing
545-533DC Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 545-533DC Bearing Used?
You’ll often find 545-533DC Bearing in agricultural machinery, supporting components like gearboxes and wheel hubs. Its inch sizing makes it a reliable choice for North American industrial applications.

Built for Heavy-Duty Use: 545-533DC Bearing
545-533DC Bearing excels in mining equipment, where its tapered roller design manages high dynamic loads. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 545-533DC Bearing
In automotive systems, 545-533DC Bearing supports axles and differentials, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures consistent performance across both sectors.

Essential Roles of 545-533DC Bearing
545-533DC Bearing is vital in railway applications, particularly in bogie systems where its combined load capacity is crucial. The steel cage adds extra strength for long-term reliability.

Q&A

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