TS (Single Row Tapered Roller Bearings) (Imperial) 19138X-19268

The 19138X-19268 is a single-row tapered roller bearing with a 1.378″ bore and 2.6875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 11400 lbf radially and 2250 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures reliable performance under stress. 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 use in automotive or industrial settings where combined loads are common.

Weighing just 0.600 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Description

Features

Application

Q&A

Product Parameters

Part Number 19138X-19268
Brand TFL
Interchangeable Timken
Size 1.378" x 2.6875" x 0.625"
Bore Dia 1.378"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.6875"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.6504"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.4688"
Cup Width Tolerance +0.002" to -0.01
Width 0.625"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.080"
Cup Backface ToClear Radius 0.06"
Cone Frontface Backing Diameter 1.59"
Cone Backface Backing Diameter 1.71"
Cup Frontface Backing Diameter 2.60"
Cup Backface Backing Diameter 2.40"
Cage Cone Frontface Clearance 0.09"
Cage Cone Backface Clearance 0.03"
Effective Center Location -0.06"
System of Measurement Inch
Type Bearing
Cone Part Number 19138X
Cup Part Number 19268
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 19000
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 11400 lbf
Static Radial Load 13000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 2960 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2250 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 0.600 lb

Features

How Is 19138X-19268 Bearing Engineered for Reliability?

19138X-19268 Bearing features chrome steel rings and rollers, ensuring strength and durability under combined loads.
Its dynamic radial load capacity reaches 11,400 lbf, making it suitable for demanding industrial applications.
The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a standard radial clearance, it offers reliable performance across various operating conditions.

What Makes 19138X-19268 Bearing Suitable for High-Temperature Applications?

19138X-19268 Bearing operates effectively within a temperature range of -30° to 110°C, maintaining performance in varied environments.
The chrome steel construction resists wear and deformation even under high thermal stress.
Its tapered roller design distributes loads evenly, preventing premature failure.
Regular lubrication ensures smooth operation and further enhances its temperature resilience.

Designed for Durability: 19138X-19268 Bearing

19138X-19268 Bearing’s single-row tapered roller construction provides excellent load-bearing capacity and stability.
The precision-engineered chrome steel components resist wear, ensuring long service life.
Its open design allows for easy lubrication, reducing maintenance requirements.
With an ABEC-1 rating, it balances precision and durability for industrial use.

Steel vs Ceramic Bearings: Strengths of 19138X-19268 Bearing

19138X-19268 Bearing utilises chrome steel for both rings and rollers, offering robust performance at a competitive cost.
This material choice provides excellent resistance to heavy radial and thrust loads.
The steel cage ensures reliable roller guidance, even at high speeds.
While ceramic options exist, this bearing’s steel construction delivers proven reliability in most industrial applications.

Application

Industrial Uses of 19138X-19268 Bearing
19138X-19268 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

Where Is 19138X-19268 Bearing Used?
You’ll often find 19138X-19268 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 19138X-19268 Bearing
19138X-19268 Bearing excels in industrial gearboxes, where its steel cage and standard radial clearance provide reliable performance. The open design simplifies lubrication and maintenance.

Automotive vs Aerospace: Applications of 19138X-19268 Bearing
In automotive applications, 19138X-19268 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary systems. Its ABEC-1 rating balances precision and cost-effectiveness.

Key Fields for 19138X-19268 Bearing
19138X-19268 Bearing is ideal for agricultural machinery, where its robust design withstands harsh conditions. The tapered rollers ensure smooth operation under heavy loads.