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29875-29820D TDO (Two-Row Double-Outer Race) (Imperial)

29875-29820D TDO (Two-Row Double-Outer Race) (Imperial)

The 29875-29820D is a two-row tapered roller bearing with a 10-inch bore and 12.75-inch outer diameter, built from sturdy chrome steel. It handles combined loads up to 59,100 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 29800 series and comes with standard cups for straightforward installation. Ideal for heavy-duty applications like industrial gearboxes or large machinery where both radial and thrust loads are present.

Weighing 22.17 lb, it’s a robust choice for high-load scenarios. Compliant with RoHS and REACH standards, ensuring safe and reliable use. The ABEC-1 rating offers good precision for most industrial needs.

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Product Parameters

  • Part Number 29875-29820D
  • Brand TFL
  • Size 10" x 12.7500" x 0.875"
  • Bore Dia 10"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12.7500"
  • Outer Dia Tolerance +0.002" to 0
  • Double Cup Width 2"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.875"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.4999"
  • Bearing Width Across Cups Tolerance +0.014" to -0.01"
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 10.51"
  • Cup Frontface Backing Diameter 12.29"
  • Cage Cone Backface Clearance 0.04"
  • Dynamic Radial Load 59100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 29875
  • Cup Part Number 29820D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 29800
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 5220 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 15300 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 22.17 lb

Features

How Does 29875-29820D Bearing Handle Combined Loads?

29875-29820D Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 59,100 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 standard radial clearance, it provides smooth operation across a wide temperature range.

Steel cage construction keeps the rollers aligned, minimising wear and maintenance needs.
This bearing is ideal for applications requiring durability and consistent performance under combined loads.

Application

Industrial Uses of 29875-29820D Bearing
29875-29820D Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 29875-29820D Bearing supports large axles and wheel hubs, particularly in trucks and off-road vehicles. Its inch sizing makes it a straightforward fit for North American and imperial-standard machinery.

For industrial conveyor systems, 29875-29820D Bearing’s tapered roller design provides smooth operation under heavy loads. The open seal type allows for easy lubrication, extending service life in high-use settings.

What Makes 29875-29820D Bearing a Preferred Choice?
29875-29820D Bearing is ideal for agricultural machinery, such as tractors and harvesters, where its robust design withstands uneven loads and rough terrain. The steel cage adds extra resilience against wear.

In wind turbine systems, 29875-29820D Bearing’s ability to handle dynamic radial and thrust loads makes it reliable for rotor shafts. Its temperature range also suits both cold and moderately hot climates.

Built for Heavy-Duty Use: 29875-29820D Bearing
29875-29820D Bearing excels in railway applications, particularly in freight car axles, where its double-row configuration distributes loads evenly. The standard radial clearance ensures consistent performance over long distances.

For marine equipment, 29875-29820D Bearing’s corrosion-resistant materials make it suitable for ship propulsion systems. Its lubrication requirement is easily met with standard marine-grade greases.

Light-Duty vs Heavy-Duty: Best Uses for 29875-29820D Bearing
In light-duty scenarios like industrial fans, 29875-29820D Bearing offers reliable performance with minimal maintenance. For heavy-duty uses like crane booms, its high dynamic load capacity ensures safety and longevity.

The inch measurements of 29875-29820D Bearing simplify replacements in older machinery. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial needs.

Q&A

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