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TS (Single Row Tapered Roller Bearings) (Imperial) 9378-9320

TS (Single Row Tapered Roller Bearings) (Imperial) 9378-9320

The 9378-9320 is a single-row tapered roller bearing with a 3″ bore and 7″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 81600 lbf radially and 27700 lbf thrust, making it robust 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 industrial conditions.

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

Weighing 13.30 lb, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The ABEC-1 rating ensures consistent performance for standard precision needs.

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Product Parameters

  • Part Number 9378-9320
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 7" x 2.1875"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 7"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2"
  • 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 4.57"
  • Cone Backface Backing Diameter 4.13"
  • Cup Frontface Backing Diameter 6.48"
  • Cup Backface Backing Diameter 5.83"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.44"
  • Effective Center Location 0.05"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 9378
  • Cup Part Number 9320
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 9300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 81600 lbf
  • Static Radial Load 78800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 21200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 27700 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 13.30 lb

Features

Performance Features of 9378-9320 Bearing

9378-9320 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 81,600 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

Designed for precision, 9378-9320 Bearing meets ABEC-1 standards for smooth operation.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 9378-9320 Bearing
The 9378-9320 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.

Where Is 9378-9320 Bearing Used?
You’ll often find the 9378-9320 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for North American vehicle models.

Built for Heavy-Duty Use: 9378-9320 Bearing
This bearing excels in industrial gearboxes, where its high dynamic radial load capacity keeps operations smooth. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 9378-9320 Bearing
In automotive systems, the 9378-9320 Bearing supports heavy loads in axles and transmissions. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

What Makes 9378-9320 Bearing a Preferred Choice?
The 9378-9320 Bearing’s steel cage and chrome steel rollers provide excellent wear resistance, ideal for agricultural machinery. Its standard radial clearance ensures consistent performance over time.

Q&A

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