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TS (Single Row Tapered Roller Bearings) (Imperial) 280970-281202

TS (Single Row Tapered Roller Bearings) (Imperial) 280970-281202

The 280970-281202 is a single-row tapered roller bearing with a 7″ bore and 12″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 133,000 lbf radially and 21,200 lbf thrust, making it suitable for heavy-duty applications.

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

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

Weighing 36.70 lb, it’s built to last with standard radial clearance options available. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 280970-281202
  • Brand TFL
  • Interchangeable Timken
  • Size 7" x 12" x 2.375"
  • Bore Dia 7"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 12"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.5"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.375"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 8.74"
  • Cone Backface Backing Diameter 7.72"
  • Cup Frontface Backing Diameter 11.24"
  • Cup Backface Backing Diameter 10.98"
  • Cage Cone Frontface Clearance 0.04"
  • Cage Cone Backface Clearance 0.35"
  • Effective Center Location -0.23"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 280970
  • Cup Part Number 281202
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 280000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 133000 lbf
  • Static Radial Load 195000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 34500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 21200 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 36.70 lb

Features

Performance Features of 280970-281202 Bearing

280970-281202 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 133,000 lbf, making it suitable for heavy-duty applications.

The single-row tapered roller design ensures smooth operation and efficient load distribution.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

The steel cage maintains roller alignment, reducing wear and extending service life.
Standard radial clearance options provide flexibility for different operational needs.

Application

Industrial Uses of 280970-281202 Bearing
The 280970-281202 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 280970-281202 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 280970-281202 Bearing’s open design allows for easy lubrication, extending its service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 280970-281202 Bearing Used?
You’ll often find 280970-281202 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth operation in varying conditions.

In conveyor systems, 280970-281202 Bearing supports heavy rollers, thanks to its high dynamic radial load capacity. The ABEC-1 rating makes it suitable for applications where precision is balanced with cost-effectiveness.

Built for Heavy-Duty Use: 280970-281202 Bearing
The 280970-281202 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. Its temperature range of -30° to 110°C ensures reliability in harsh climates.

For railway applications, 280970-281202 Bearing is a go-to choice for axle boxes, offering long-term performance with minimal maintenance. The steel cage and chrome steel rollers enhance its resistance to wear.

Automotive vs Aerospace: Applications of 280970-281202 Bearing
In automotive settings, 280970-281202 Bearing is ideal for heavy-duty trucks, handling both radial and thrust loads in wheel assemblies. Its inch sizing simplifies replacements in older models.

For aerospace ground equipment, 280970-281202 Bearing supports hydraulic systems and landing gear test rigs. The open design allows for frequent inspections, ensuring safety in critical operations.

Q&A

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