TS (Single Row Tapered Roller Bearings) (Imperial) 342A-333A

The 342A-333A is a single-row tapered roller bearing with a 1.625″ bore and 3.1486″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21200 lbf radially and 2570 lbf thrust, making it versatile for various applications.

Its open design allows for 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 1.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance ensures easy installation, while the ABEC-1 rating provides consistent performance. Suitable for applications requiring reliable load handling and long service life.

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Description

Features

Application

Q&A

Product Parameters

Part Number 342A-333A
Brand TFL
Interchangeable Timken
Size 1.625" x 3.1486" x 1.125"
Bore Dia 1.625"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.1486"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.1802"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.8268"
Cup Width Tolerance +0.002" to -0.01
Width 1.125"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 1.83"
Cone Backface Backing Diameter 2.09"
Cup Frontface Backing Diameter 3.03"
Cup Backface Backing Diameter 2.87"
Cage Cone Frontface Clearance 0.07"
Cage Cone Backface Clearance 0.3"
Effective Center Location -0.54"
System of Measurement Inch
Type Bearing
Cone Part Number 342A
Cup Part Number 333A
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 335
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 21200 lbf
Static Radial Load 18700 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 5490 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2570 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 1.2 lb

Features

Performance Features of 342A-333A Bearing

342A-333A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 342A-333A Bearing Engineered for Reliability?

342A-333A Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 2570 lbf at 90 million revolutions demonstrates long-term reliability.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 342A-333A Bearing

342A-333A Bearing’s chrome steel rollers and rings provide excellent wear resistance under heavy loads.
The steel cage design ensures proper roller spacing, reducing wear and noise.
With a static radial load capacity of 18700 lbf, it handles demanding industrial applications.
Its ABEC-1 rating ensures consistent performance in precision tasks.

Application

Industrial Uses of 342A-333A Bearing
342A-333A Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in demanding environments.
In automotive applications, 342A-333A Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a preferred choice for North American vehicle models.

Where Is 342A-333A Bearing Used?
You’ll often find 342A-333A Bearing in industrial gearboxes, where its single-row design simplifies installation and maintenance. The steel cage adds strength, making it suitable for high-load scenarios.
For agricultural machinery, this bearing supports components like PTO shafts, ensuring smooth operation even in dusty conditions. Its standard radial clearance offers flexibility for different applications.

Built for Heavy-Duty Use: 342A-333A Bearing
342A-333A Bearing excels in mining equipment, where its robust construction withstands extreme loads and harsh conditions. The open seal design allows for easy lubrication, extending service life.
In material handling systems, this bearing ensures smooth conveyor belt operation, reducing downtime. Its ABEC-1 rating balances precision and cost-effectiveness for general industrial use.

Automotive vs Aerospace: Applications of 342A-333A Bearing
In automotive systems, 342A-333A Bearing is ideal for drivetrain components, offering reliable performance under combined loads. The inch sizing ensures compatibility with many US-made vehicles.
For aerospace ground equipment, this bearing supports landing gear testing rigs, where its durability and load capacity are crucial. The temperature range suits various operational conditions.

Perfect Fit for Automation: 342A-333A Bearing
342A-333A Bearing works well in robotic arms, providing stable movement under dynamic loads. Its tapered rollers distribute stress evenly, enhancing precision.
In packaging machinery, this bearing ensures consistent performance in high-speed production lines. The chrome steel rollers resist wear, reducing maintenance needs over time.