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TS (Single Row Tapered Roller Bearings) (Imperial) 3992-3919RB

TS (Single Row Tapered Roller Bearings) (Imperial) 3992-3919RB

The 3992-3919RB is a single-row tapered roller bearing with a 2.625″ bore and 4.4375″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures durability under heavy use. 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 or automotive systems where combined loads are common.

Weighing 2.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The 3992-3919RB features a standard radial clearance, with options for C3, C4, or C5 if needed. Its tapered roller design provides stable performance under varying load conditions.

The effective center location of -0.15″ helps maintain alignment in complex assemblies. Suitable for gearboxes, axles, or heavy-duty equipment requiring precise load distribution.

With an ABEC-1 rating, it balances performance and cost-effectiveness. The steel cage and chrome steel rollers ensure long service life with proper maintenance.

This bearing’s dimensions (1.155″ width) make it compact for its load capacity. The cone and cup assembly simplifies installation in standard housings.

Its dynamic radial rating of 8090 lbf at 90 million revolutions demonstrates reliable endurance. The cup backface clearance of 0.130″ prevents interference during operation.

Perfect for replacement in existing systems using Timken equivalents. Works well in moderate-speed applications where combined radial and thrust loads occur.

The standard lubrication requirement makes maintenance straightforward. Its chrome steel construction resists wear in demanding industrial environments.

The 3992-3919RB’s cone width tolerance (+0.003″ to -0.01″) ensures proper fit in most applications. The cup width of 0.9687″ provides stable support under load.

With a static radial load capacity of 43000 lbf, it handles heavy intermittent loads well. The 0.220″ cone backface radius reduces stress concentrations.

Ideal for agricultural machinery or construction equipment. Its imperial measurements suit North American and other inch-based systems.

The steel cage maintains roller alignment, even at higher temperatures. Compliant with international environmental standards for worry-free use.

This tapered roller bearing’s 3.57″ cone frontface diameter aids in proper seating. The 4.18″ cup frontface diameter ensures even load distribution.

Its dynamic thrust rating makes it suitable for applications with axial components. The 0.08″ cage clearance prevents binding during operation.

A practical choice for drivetrain components or industrial fans. The chrome steel rollers provide smooth rotation under substantial loads.

With standard radial clearance, it’s ready for most general applications. The 3900 series design offers proven reliability in various conditions.

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Product Parameters

  • Part Number 3992-3919RB
  • Brand TFL
  • Interchangeable Timken
  • Size 2.625" x 4.4375" x 1.155"
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1505"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9687"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.155"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.220"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.57"
  • Cone Backface Backing Diameter 3.39"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.15"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3992
  • Cup Part Number 3919RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 31200 lbf
  • Static Radial Load 43000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8090 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5570 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 2.5 lb

Features

Performance Features of 3992-3919RB Bearing

3992-3919RB Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and wear.
With a standard radial clearance, it provides reliable performance in various conditions.

3992-3919RB Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design handles both radial and thrust loads effectively.

The open design simplifies lubrication, ensuring smooth operation over time.
Weighing just 2.5 lb, it balances durability and ease of use.

Application

Industrial Uses of 3992-3919RB Bearing
The 3992-3919RB Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability in demanding environments, making it a reliable choice for industrial applications.

Where Is 3992-3919RB Bearing Used?
You’ll often find the 3992-3919RB Bearing in automotive drivetrains, particularly in wheel hubs and differentials, where its robust design supports high loads.
The open seal type allows for easy lubrication, which is essential for maintaining performance in long-distance vehicles.

Built for Heavy-Duty Use: 3992-3919RB Bearing
The 3992-3919RB Bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its ability to withstand rough operating conditions.
Its standard radial clearance and ABEC-1 rating make it versatile for various farming equipment needs.

Automotive vs Aerospace: Applications of 3992-3919RB Bearing
In automotive settings, the 3992-3919RB Bearing is ideal for gearboxes, providing smooth operation under high stress.
For aerospace, its precise tolerances and chrome steel components ensure reliability in auxiliary systems, though it’s more commonly seen in ground vehicles.

Practical Applications of 3992-3919RB Bearing
The 3992-3919RB Bearing is a go-to for conveyor systems in mining, where its tapered rollers manage heavy loads efficiently.
Its steel cage and chrome steel rollers offer long service life, reducing downtime in critical operations.

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