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55212C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

55212C-55433D TDO (Two-Row Double-Outer Race) (Imperial)

The 55212C-55433D is a double-row tapered roller bearing with a 2.125″ bore and 4.33″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 59200 lbf and is designed for long-lasting performance in demanding conditions.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation. The bearing can withstand temperatures from -30°C to 110°C, making it versatile for various environments.

This model is part of the 55000C series and comes with standard cups for straightforward installation. Ideal for heavy-duty applications like industrial gearboxes or construction equipment where both radial and thrust loads are present.

Weighing 5.82 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for engineers and maintenance teams.

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Product Parameters

  • Part Number 55212C-55433D
  • Brand TFL
  • Size 2.125" x 4.33" x 1.0594"
  • Bore Dia 2.125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.33"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.6876"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.0594"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.4999"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.02"
  • Cone Backface Backing Diameter 3.23"
  • Cup Frontface Backing Diameter 4.15"
  • Cage Cone Backface Clearance 0.17"
  • Dynamic Radial Load 59200 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 55212C
  • Cup Part Number 55433D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 55000C
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 8810 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 13300 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 5.82 lb

Features

Performance Features of 55212C-55433D Bearing

55212C-55433D Bearing is built with chrome steel rings and rollers, offering robust performance under combined loads.
Its dynamic radial load capacity reaches 59,200 lbf, making it suitable for heavy-duty applications.

The double-row tapered roller design ensures stability and efficient load distribution.
With a standard radial clearance, it provides reliable operation in various conditions.

55212C-55433D Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing wear and extending service life.

This bearing requires lubrication but offers consistent performance across different environments.
Its precise tolerances and durable construction make it a dependable choice for industrial use.

Application

Industrial Uses of 55212C-55433D Bearing
55212C-55433D Bearing is commonly used in heavy machinery, such as construction equipment and mining gear, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 55212C-55433D Bearing Used?
You’ll often find 55212C-55433D Bearing in automotive applications like truck wheel hubs, where its tapered roller design supports both radial and thrust loads. Its inch sizing makes it a good fit for North American vehicle models.

Built for Heavy-Duty Use: 55212C-55433D Bearing
55212C-55433D Bearing excels in industrial fans and pumps, thanks to its high dynamic load capacity. The open seal type allows for easy lubrication, extending its service life in continuous operations.

Automotive vs Aerospace: Applications of 55212C-55433D Bearing
In automotive settings, 55212C-55433D Bearing is ideal for axle systems, while its precision makes it suitable for aerospace landing gear components. The standard radial clearance ensures smooth performance in both fields.

Key Fields for 55212C-55433D Bearing
55212C-55433D Bearing is a reliable choice for agricultural machinery, where its robust design handles uneven loads. The steel cage adds stability, making it a practical option for long-term use.

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