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

The 19138X-19268X is a single-row tapered roller bearing with a 1.378″ bore and 2.688″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 11400 lbf radially and 2250 lbf 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing just 0.7 lb, it’s lightweight yet sturdy. 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. Suitable for applications requiring precise alignment and durability.

Its tapered roller design provides efficient load distribution, reducing wear over time. A reliable choice for demanding environments.

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Description

Features

Application

Q&A

Product Parameters

Part Number 19138X-19268X
Brand TFL
Interchangeable Timken
Size 1.378" x 2.688" x 0.7874"
Bore Dia 1.378"
Bore Dia Tolerance +0.005" to 0
Outer Dia 2.688"
Outer Dia Tolerance +0.001" to 0
Cone Width 0.6504"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.6312"
Cup Width Tolerance +0.002" to -0.01
Width 0.7874"
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 2.36"
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 19268X
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 0.7 lb

Features

Performance Features of 19138X-19268X Bearing

19138X-19268X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 11,400 lbf, making it suitable for demanding industrial applications.
The steel cage ensures proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

Application

Industrial Uses of 19138X-19268X Bearing
19138X-19268X 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.

In automotive applications, 19138X-19268X 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.

For industrial conveyor systems, 19138X-19268X Bearing offers smooth operation and easy maintenance due to its open design. The standard radial clearance allows for flexibility in different operational conditions.

Where Is 19138X-19268X Bearing Used?
19138X-19268X Bearing is ideal for agricultural machinery, such as tractors and harvesters, where it withstands heavy loads and rough conditions. The steel cage adds extra strength for long-term use.

In mining equipment, 19138X-19268X Bearing’s robust design ensures reliability in high-stress environments. The ABEC-1 rating provides sufficient precision for most industrial applications.

Built for Heavy-Duty Use: 19138X-19268X Bearing
19138X-19268X Bearing excels in forestry machinery, handling both radial and thrust loads with ease. Its temperature range of -30° to 110°C makes it suitable for diverse climates.

For railway applications, 19138X-19268X Bearing’s tapered rollers provide stability and reduce wear. The dynamic radial load capacity of 11400 lbf ensures consistent performance under heavy use.

Automotive vs Aerospace: Applications of 19138X-19268X Bearing
In automotive systems, 19138X-19268X Bearing is often found in transmissions, offering smooth power transfer. Its compatibility with Timken models adds to its versatility.

For aerospace ground support equipment, 19138X-19268X Bearing’s reliability and ease of maintenance are key advantages. The inch sizing aligns with standard aerospace components.