TS (Single Row Tapered Roller Bearings) (Imperial) 3386-3321

The 3386-3321 is a single-row tapered roller bearing with a 1.5625″ bore and 3.0525″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 25800 lbf radially and 3130 lbf in 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 machinery like gearboxes or axles where combined loads are common.

Weighing 1.3 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for industrial use.

The standard radial clearance and ABEC-1 rating ensure consistent performance. Its tapered roller design provides stability and long service life in demanding conditions.

Suitable for applications requiring precise load distribution, such as automotive or construction equipment. The chrome steel construction resists wear, even under frequent use.

Easy to install and maintain, thanks to its straightforward design. The bearing’s effective center location helps maintain alignment in complex setups.

A practical choice for engineers needing a balance of strength and reliability. Its compatibility with Timken parts simplifies sourcing and replacements.

The 3386-3321 excels in environments where both radial and thrust loads are present. Its durable materials and precise tolerances make it a dependable component.

Perfect for heavy-duty applications, this bearing offers a blend of performance and ease of use. Its standard dimensions ensure it fits seamlessly into existing systems.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3386-3321
Brand TFL
Interchangeable Timken
Size 1.5625" x 3.0525" x 1.1563"
Bore Dia 1.5625"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.0525"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1965"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9375"
Cup Width Tolerance +0.002" to -0.01
Width 1.1563"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.03"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 1.79"
Cone Backface Backing Diameter 1.83"
Cup Frontface Backing Diameter 2.95"
Cup Backface Backing Diameter 2.68"
Cage Cone Frontface Clearance 0.07"
Cage Cone Backface Clearance 0.06"
Effective Center Location -0.43"
System of Measurement Inch
Type Bearing
Cone Part Number 3386
Cup Part Number 3321
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 3300
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 25800 lbf
Static Radial Load 29100 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 6700 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3130 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

Why Choose 3386-3321 Bearing for Combined Loads?

3386-3321 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 25,800 lbf, ensuring reliable performance in demanding conditions.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

3386-3321 Bearing requires lubrication but offers standard radial clearance for versatile applications.
Its ABEC-1 rating ensures consistent precision for industrial use.

Application

Industrial Uses of 3386-3321 Bearing
The 3386-3321 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.

Where Is 3386-3321 Bearing Used?
You’ll often find 3386-3321 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its imperial sizing makes it a reliable choice for older or custom-built vehicles.

Built for Heavy-Duty Use: 3386-3321 Bearing
3386-3321 Bearing excels in industrial gearboxes, providing smooth operation under high loads. The steel cage adds strength, making it suitable for prolonged use in harsh conditions.

Automotive vs Aerospace: Applications of 3386-3321 Bearing
In automotive systems, 3386-3321 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary equipment. Its ABEC-1 rating ensures consistent performance across different industries.

Practical Applications of 3386-3321 Bearing
3386-3321 Bearing is ideal for agricultural machinery, where its robust design handles dirt and debris well. The open seal type allows for easy lubrication, extending its service life.