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TS (Single Row Tapered Roller Bearings) (Imperial) 3199-3120

TS (Single Row Tapered Roller Bearings) (Imperial) 3199-3120

The 3199-3120 is a single-row tapered roller bearing with a 1.25″ bore and 2.8593″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3140 lbf thrust, suitable for demanding applications.

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

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

Weighing 1.3 lb, it strikes a balance between strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3199-3120
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 2.8593" x 1.1875"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.8593"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.181"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.56"
  • Cone Backface Backing Diameter 1.69"
  • Cup Frontface Backing Diameter 2.68"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.4"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3199
  • Cup Part Number 3120
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 22800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 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 1.3 lb

Features

Performance Features of 3199-3120 Bearing

3199-3120 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, making it suitable for demanding industrial applications.

The tapered roller design ensures smooth operation and efficient load distribution.
With a standard radial clearance, it provides reliable performance in various conditions.

3199-3120 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The single row construction simplifies installation and maintenance.
3199-3120 Bearing is interchangeable with Timken models, offering flexibility for replacements.

Application

Industrial Uses of 3199-3120 Bearing
3199-3120 Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 3199-3120 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for North American vehicle models.

For agricultural equipment, 3199-3120 Bearing’s robust design supports tractors and harvesters, where it withstands dirt and debris. The open seal type allows for easy lubrication, extending service life in rough conditions.

Where Is 3199-3120 Bearing Used?
3199-3120 Bearing is often found in construction equipment like excavators, where its tapered rollers manage heavy radial and thrust loads. The steel cage adds stability during high-stress operations.

In mining machinery, 3199-3120 Bearing’s durability shines in crushers and screens, handling abrasive materials with ease. Its standard radial clearance ensures smooth operation even under extreme conditions.

Built for Heavy-Duty Use: 3199-3120 Bearing
3199-3120 Bearing excels in forestry equipment like log splitters, where its combined load capacity is essential. The chrome steel rollers resist wear, reducing maintenance needs.

For material handling systems, 3199-3120 Bearing’s precise tolerances ensure reliable performance in forklifts and cranes. Its ABEC-1 rating balances cost and performance for general industrial use.

Automotive vs Aerospace: Applications of 3199-3120 Bearing
In automotive drivetrains, 3199-3120 Bearing supports axles and transmissions, offering a balance of strength and affordability. The inch measurements simplify replacements in older vehicles.

For aerospace ground equipment, 3199-3120 Bearing’s temperature range suits tow tractors and loaders. While not for flight use, it handles ground operations reliably.

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