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TS (Single Row Tapered Roller Bearings) (Imperial) 3992-3920

TS (Single Row Tapered Roller Bearings) (Imperial) 3992-3920

The 3992-3920 is a single-row tapered roller bearing with a 2.625″ bore and 4.4375″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 31200 lbf radially and 5570 lbf in thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance under heavy loads. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a practical 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, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3992-3920
  • 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 0.9375"
  • 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 3920
  • 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 3992-3920 Bearing

3992-3920 Bearing is crafted from chrome steel, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring reliable performance in tough conditions.
The tapered roller design distributes loads evenly, reducing stress and extending service life.

How Does 3992-3920 Bearing Reduce Friction?

3992-3920 Bearing’s precision-engineered tapered rollers minimise friction during operation.
The steel cage maintains proper roller alignment, ensuring smooth movement under load.
With a temperature range of -30° to 110°C, it performs consistently in various environments.

Built for Reliability: 3992-3920 Bearing

3992-3920 Bearing’s single-row construction provides stability for combined load applications.
The chrome steel components resist wear, maintaining performance over extended use.
Standard radial clearance options allow for flexibility in different operating conditions.

Steel vs Ceramic Bearings: Strengths of 3992-3920 Bearing

3992-3920 Bearing uses durable chrome steel for both rollers and rings.
This material choice provides excellent strength-to-weight ratio for industrial applications.
The bearing’s ABEC-1 rating ensures consistent precision in standard operating conditions.

Why Choose 3992-3920 Bearing for Precision Tasks?

3992-3920 Bearing offers precise dimensional tolerances for accurate performance.
Its effective center location of -0.15″ helps maintain proper alignment in assemblies.
The open design allows for easy lubrication access when maintenance is required.

Application

Industrial Uses of 3992-3920 Bearing
The 3992-3920 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

Where Is 3992-3920 Bearing Used?
You’ll often find 3992-3920 Bearing in automotive applications like truck wheel hubs, where its robust design supports both radial and thrust loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 3992-3920 Bearing
3992-3920 Bearing excels in industrial fans and pumps, thanks to its ability to manage high dynamic loads. The steel cage adds extra resilience, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 3992-3920 Bearing
In automotive settings, 3992-3920 Bearing is ideal for axles and transmissions, while its precision also suits aerospace landing gear components. The ABEC-1 rating ensures reliable performance across both sectors.

Essential Roles of 3992-3920 Bearing
3992-3920 Bearing plays a key role in conveyor systems, where its tapered rollers reduce friction and wear. The standard radial clearance option allows for easy integration into existing setups.

Q&A

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