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TS (Single Row Tapered Roller Bearings) (Imperial) 3994-3926

TS (Single Row Tapered Roller Bearings) (Imperial) 3994-3926

The 3994-3926 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 demanding applications.

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

Weighing 2.700 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance can be adjusted to C3, C4, or C5 for specific needs. Its ABEC-1 rating ensures consistent performance in various industrial settings.

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Product Parameters

  • Part Number 3994-3926
  • Brand TFL
  • Interchangeable Timken
  • Size 2.625" x 4.4375" x 1.3125"
  • Bore Dia 2.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.183"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.0625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3125"
  • 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 3.86"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.18"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3994
  • Cup Part Number 3926
  • 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 2.700 lb

Features

How Is 3994-3926 Bearing Engineered for Reliability?

3994-3926 Bearing features chrome steel rings and rollers, providing excellent resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance option, it offers flexibility for various applications.

What Makes 3994-3926 Bearing Suitable for High-Temperature Applications?

3994-3926 Bearing operates effectively within a temperature range of -30° to 110°C.
Its chrome steel construction ensures stability and performance even in demanding environments.
The tapered roller design efficiently handles both radial and thrust loads.
Regular lubrication helps maintain smooth operation and prolongs service life.

Designed for Durability: 3994-3926 Bearing

3994-3926 Bearing’s single-row tapered roller construction ensures reliable load distribution.
The chrome steel components resist wear, making it suitable for heavy-duty applications.
Its standard radial clearance allows for easy installation and consistent performance.
With a static radial load capacity of 43,000 lbf, it delivers long-lasting reliability.

Steel vs Ceramic Bearings: Strengths of 3994-3926 Bearing

3994-3926 Bearing uses chrome steel for both rings and rollers, offering excellent strength.
This material choice ensures durability and cost-effectiveness compared to ceramic options.
The steel cage provides robust support, maintaining roller alignment under heavy loads.
Its ABEC-1 rating guarantees consistent precision in various industrial applications.

Application

Industrial Uses of 3994-3926 Bearing
The 3994-3926 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3994-3926 Bearing fits well in wheel hubs and drivetrains, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.

For industrial conveyor systems, 3994-3926 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. Its standard radial clearance offers flexibility for different operational needs.

Where Is 3994-3926 Bearing Used?
You’ll often find 3994-3926 Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra resilience in abrasive conditions.

In power transmission systems, 3994-3926 Bearing supports smooth rotation in gearboxes and pulleys. Its ABEC-1 rating ensures consistent performance for general industrial applications.

Built for Heavy-Duty Use: 3994-3926 Bearing
The 3994-3926 Bearing excels in forestry machinery, handling shocks and vibrations with ease. Its tapered rollers distribute loads evenly, extending service life.

For railway applications, 3994-3926 Bearing’s temperature tolerance makes it suitable for both hot and cold climates. The standard lubrication requirement keeps maintenance straightforward.

Light-Duty vs Heavy-Duty: Best Uses for 3994-3926 Bearing
In light-duty scenarios like small pumps, 3994-3926 Bearing offers reliable performance without over-engineering. Its chrome steel rollers provide just the right balance of strength and cost-efficiency.

For heavy-duty tasks like crane operations, 3994-3926 Bearing’s high static load capacity ensures safety and stability. The interchangeable design with Timken bearings simplifies sourcing.

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