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545112-545142CD TDO (Two-Row Double-Outer Race) (Imperial)

545112-545142CD TDO (Two-Row Double-Outer Race) (Imperial)

The 545112-545142CD is a double-row tapered roller bearing with an 11.25″ bore and 14.125″ outer diameter, built from sturdy chrome steel for heavy-duty use. It handles combined loads up to 101,000 lbf and is designed for long-lasting performance.

Its open design allows easy lubrication, while the steel cage ensures smooth operation even under high stress. The bearing works reliably in temperatures from -30°C to 110°C.

This model features a standard radial clearance and meets ABEC-1 precision standards. Ideal for industrial machinery or large equipment where heavy radial and thrust loads are common.

Weighing 32.12 lb, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards for safe and environmentally friendly use.

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Product Parameters

  • Part Number 545112-545142CD
  • Brand TFL
  • Size 11.25" x 14.125" x 1.25"
  • Bore Dia 11.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 14.125"
  • Outer Dia Tolerance +0.002" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.25"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.9999"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.06"
  • Cone Backface Backing Diameter 11.89"
  • Cup Frontface Backing Diameter 13.62"
  • Cage Cone Backface Clearance 0.2"
  • Dynamic Radial Load 101000 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 545112
  • Cup Part Number 545142CD
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 545000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 15000 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 12600 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 26200 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 32.12 lb

Features

How Does 545112-545142CD Bearing Handle Combined Loads?

545112-545142CD Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 101000 lbf, ensuring reliable performance in heavy-duty applications.
The double-row tapered roller design distributes loads evenly, reducing stress and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

What Makes 545112-545142CD Bearing Durable?

545112-545142CD Bearing features chrome steel construction, providing excellent resistance to wear and fatigue.
The steel cage maintains roller alignment, ensuring smooth operation even under high loads.
Its standard radial clearance options allow for flexibility in different applications.
This design enhances longevity while maintaining consistent performance.

Engineered for Precision: 545112-545142CD Bearing

545112-545142CD Bearing’s tapered roller design ensures precise load distribution and reduced friction.
The double-row construction increases load capacity without compromising on space efficiency.
With ABEC-1 rating, it meets standard precision requirements for industrial use.
Its open seal type allows for easy lubrication and maintenance.

Steel vs Ceramic Bearings: Strengths of 545112-545142CD Bearing

545112-545142CD Bearing uses chrome steel for both rings and rollers, offering a balance of strength and cost-efficiency.
The material choice ensures reliable performance in high-load and high-temperature environments.
Its steel cage provides durability while maintaining roller alignment.
This makes it a practical choice for demanding industrial applications.

Application

Industrial Uses of 545112-545142CD Bearing
545112-545142CD Bearing is commonly used in heavy machinery like construction equipment, where its double-row design handles both radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.
In automotive applications, 545112-545142CD Bearing supports large axles and wheel hubs, providing stability under heavy loads. Its inch sizing makes it compatible with many North American vehicle models.

Where Is 545112-545142CD Bearing Used?
You’ll often find 545112-545142CD Bearing in industrial gearboxes, where its tapered rollers manage high-speed rotations smoothly. The open seal design allows for easy lubrication, extending its service life.
For agricultural machinery, this bearing’s robust build handles the uneven loads and harsh conditions typical in farming equipment.

Built for Heavy-Duty Use: 545112-545142CD Bearing
545112-545142CD Bearing excels in mining equipment, where its combined load capacity and durability are essential. The steel cage adds strength, making it reliable for continuous operation.
In material handling systems, this bearing’s standard radial clearance ensures consistent performance under varying loads. Its temperature range also suits both indoor and outdoor applications.

Automotive vs Aerospace: Applications of 545112-545142CD Bearing
In automotive settings, 545112-545142CD Bearing is ideal for heavy-duty trucks and buses, thanks to its high dynamic radial load rating. The inch measurements align well with standard automotive parts.
For aerospace ground support equipment, this bearing’s precision and reliability make it a trusted choice. Its ABEC-1 rating ensures adequate performance for non-critical aerospace applications.

Q&A

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