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TS (Single Row Tapered Roller Bearings) (Imperial) 9178-9120

TS (Single Row Tapered Roller Bearings) (Imperial) 9178-9120

The 9178-9120 is a single-row tapered roller bearing with a 2.4375″ bore and 6.25″ outer diameter, crafted 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 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 industrial machinery, gearboxes, or automotive applications where robust performance is needed.

Weighing 10.7 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The ABEC-1 rating ensures consistent precision.

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Product Parameters

  • Part Number 9178-9120
  • Brand TFL
  • Interchangeable Timken
  • Size 2.4375" x 6.25" x 2.1875"
  • Bore Dia 2.4375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 6.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.0625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.2"
  • Cone Backface Backing Diameter 3.54"
  • Cup Frontface Backing Diameter 5.79"
  • Cup Backface Backing Diameter 5.16"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.47"
  • Effective Center Location -0.33"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 9178
  • Cup Part Number 9120
  • 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 10.7 lb

Features

Performance Features of 9178-9120 Bearing

9178-9120 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 standard radial clearance, it provides reliable performance in various industrial settings.

9178-9120 Bearing operates effectively within a temperature range of -30° to 110°C.
Its single-row tapered design ensures stability and efficiency under demanding conditions.

The open seal type allows for easy lubrication, maintaining smooth operation over time.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Application

Industrial Uses of 9178-9120 Bearing
9178-9120 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 9178-9120 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 9178-9120 Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds stability, reducing wear during high-speed rotations.

Where Is 9178-9120 Bearing Used?
You’ll often find 9178-9120 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands uneven loads. The standard radial clearance offers flexibility for various operating conditions.

In conveyor systems, 9178-9120 Bearing supports heavy rollers, ensuring smooth material handling. Its ABEC-1 rating provides sufficient precision for most industrial applications without unnecessary cost.

Built for Heavy-Duty Use: 9178-9120 Bearing
9178-9120 Bearing excels in forestry equipment like log splitters, where its tapered rollers manage intense shock loads. The chrome steel rollers resist deformation under pressure.

For railway applications, 9178-9120 Bearing’s effective center location helps maintain alignment in bogies. The temperature range of -30° to 110°C ensures reliability in diverse climates.

Automotive vs Aerospace: Applications of 9178-9120 Bearing
In automotive settings, 9178-9120 Bearing typically supports drivetrain components, balancing cost and performance. The 6.25″ outer diameter suits larger vehicle assemblies.

For aerospace ground equipment, 9178-9120 Bearing’s 10.7 lb weight is manageable while still offering the needed load capacity. Its steel cage prevents debris issues in outdoor environments.

Q&A

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