TS (Single Row Tapered Roller Bearings) (Imperial) 42381-42586

This single-row tapered roller bearing has a 3.8-inch bore and 5.8-inch outer diameter, made from sturdy chrome steel for long-lasting use. It handles combined loads up to 43400 lbf and works well in temperatures from -30°C to 110°C.

The open design allows easy lubrication, while the steel cage ensures smooth operation. Its standard radial clearance makes it versatile for various settings.

Interchangeable with Timken bearings, it’s a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing 4.3 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 42381-42586
Brand TFL
Interchangeable Timken
Size 3.8125" x 5.8437" x 1.3751"
Bore Dia 3.8125"
Bore Dia Tolerance +0.001" to 0
Outer Dia 5.8437"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1406"
Cone Width Tolerance +0.003" to -0.01
Cup Width 1.25"
Cup Width Tolerance +0.002" to -0.01
Width 1.3751"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 4.76"
Cone Backface Backing Diameter 4.33"
Cup Frontface Backing Diameter 5.67"
Cup Backface Backing Diameter 5.24"
Cage Cone Frontface Clearance 0.14"
Cage Cone Backface Clearance 0.1"
Effective Center Location 0.12"
System of Measurement Inch
Type Bearing
Cone Part Number 42381
Cup Part Number 42586
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 42000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 43400 lbf
Static Radial Load 54300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 11300 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9480 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 4.3 lb

Features

Performance Features of 42381-42586 Bearing

42381-42586 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 43400 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and wear for extended service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

How Is 42381-42586 Bearing Engineered for Reliability?

42381-42586 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The precise cone and cup width tolerances ensure smooth operation and easy installation.
Its chrome steel construction provides excellent durability, even under high stress.
With standard radial clearance options, it offers flexibility for different application needs.

Designed for Durability: 42381-42586 Bearing

42381-42586 Bearing’s chrome steel rollers and rings enhance its resistance to wear and fatigue.
The open design allows for easy lubrication, maintaining performance over time.
Its ABEC-1 rating ensures consistent precision in various industrial applications.
Weighing 4.3 lb, it balances strength and practicality for efficient use.

Steel vs Ceramic Bearings: Strengths of 42381-42586 Bearing

42381-42586 Bearing uses chrome steel for both rollers and rings, providing cost-effective durability.
The steel construction handles high dynamic radial loads up to 43400 lbf reliably.
Its standard lubrication requirement simplifies maintenance compared to ceramic alternatives.
The bearing’s -30° to 110°C range makes it versatile for most industrial environments.

Application

Industrial Uses of 42381-42586 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 42381-42586 Bearing Used?
You’ll often find 42381-42586 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its precise inch sizing makes it a reliable choice for older or custom vehicle models.

Built for Heavy-Duty Use: 42381-42586 Bearing
42381-42586 Bearing excels in industrial settings like conveyor systems, 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 42381-42586 Bearing
In automotive systems, 42381-42586 Bearing supports heavy loads in axles and transmissions. While not typically used in aerospace, its robustness makes it ideal for ground-based heavy machinery.

Key Fields for 42381-42586 Bearing
This bearing is a go-to for mining equipment, where its tapered rollers manage both radial and thrust loads effectively. The steel cage adds extra strength, making it suitable for high-vibration environments.