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TS (Single Row Tapered Roller Bearings) (Imperial) 9181-9121

TS (Single Row Tapered Roller Bearings) (Imperial) 9181-9121

The 9181-9121 is a single-row tapered roller bearing with a 2.4375″ bore and 6″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 64200 lbf radially and 18700 lbf thrust, making it versatile for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck hubs or industrial gearboxes where combined loads are common.

Weighing 8.80 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance (with C3/C4/C5 options) provides flexibility for different setups. Its ABEC-1 rating ensures consistent performance in demanding conditions.

Perfect for maintenance or upgrades in machinery requiring durable, high-load bearings. The tapered roller design offers excellent stability under heavy radial and thrust loads.

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Product Parameters

  • Part Number 9181-9121
  • Brand TFL
  • Interchangeable Timken
  • Size 2.4375" x 6" x 1.875"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 6"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.25"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.2"
  • Cone Backface Backing Diameter 3.35"
  • Cup Frontface Backing Diameter 5.75"
  • Cup Backface Backing Diameter 5.12"
  • Cage Cone Frontface Clearance 0.2"
  • Cage Cone Backface Clearance 0.28"
  • Effective Center Location -0.15"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 9181
  • Cup Part Number 9121
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 9100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 64200 lbf
  • Static Radial Load 68700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 16600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18700 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 8.80 lb

Features

Performance Features of 9181-9121 Bearing

9181-9121 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 64,200 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Designed for easy lubrication, 9181-9121 Bearing maintains smooth operation with minimal maintenance.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 9181-9121 Bearing
The 9181-9121 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 9181-9121 Bearing supports wheel hubs and drivetrain components, providing reliable performance under high radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 9181-9121 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 9181-9121 Bearing Used?
You’ll often find 9181-9121 Bearing in agricultural machinery, like tractors and harvesters, where its robust design handles uneven loads. The standard radial clearance ensures smooth operation in varying conditions.

In material handling equipment, 9181-9121 Bearing’s tapered rollers provide stability for lifting and moving heavy loads. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Built for Heavy-Duty Use: 9181-9121 Bearing
The 9181-9121 Bearing excels in forestry equipment, such as log splitters, thanks to its high dynamic load capacity. The chrome steel rollers resist wear, even in abrasive environments.

For railway applications, 9181-9121 Bearing’s effective center location helps manage misalignment in axle boxes. Its temperature range suits both cold and moderate climates.

Automotive vs Aerospace: Applications of 9181-9121 Bearing
In automotive systems, 9181-9121 Bearing is ideal for truck differentials, handling combined loads with ease. The inch measurements simplify replacements in older vehicle models.

For aerospace ground support equipment, 9181-9121 Bearing’s reliability ensures smooth operation in aircraft tugs and loaders. Its steel cage withstands frequent use without compromising performance.

Q&A

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