How Hot Is Too Hot for a Bearing?
Learn why bearing overheating has no universal temperature limit, how to read temperature trends, and when a hot bearing needs investigation or shutdown.
Read articleCompare leading global bearing brands and explore compatible TFL alternatives by model, product type and application.
View all Brands GuideMatch manufacturer part numbers with interchangeable TFL bearing options and model-selection support.
Browse bearing solutions by equipment, operating environment and industry.
Practical guidance on bearing selection, applications, maintenance and sourcing.
Learn why bearing overheating has no universal temperature limit, how to read temperature trends, and when a hot bearing needs investigation or shutdown.
Read article
Find answers about quality, orders, technical support and after-sales service.
Use our articles, reference tools and customer resources to support sourcing decisions.
Learn about TFL Bearing, our quality systems and supply capabilities.
View all About & CapabilitiesAccess engineering support and services throughout the purchasing process.
View all Services & SupportExplore customer projects, sourcing partnerships and ways to contact our team.
View all Work With TFL (Imperial)/TS-(Single-Row-Tapered-Roller-Bearings)-(Imperial)-14139-14273-Dimensions.webp)
The 14139-14273 is a single-row tapered roller bearing with a 1.377″ bore and 2.717″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 12300 lbf radially and 2080 lbf thrust, suitable for demanding applications.
Its open design allows easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various conditions.
This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery or automotive uses where combined loads are common.
Weighing just 0.7 lb, it balances strength and portability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.
Performance Features of 14139-14273 Bearing
14139-14273 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, ensuring reliable performance in various applications.
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 diverse environments.
How Is 14139-14273 Bearing Engineered for Reliability?
14139-14273 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 2,080 lbf (Ca90) makes it suitable for demanding conditions.
The open design allows for easy lubrication, maintaining performance over time.
Built for Durability: 14139-14273 Bearing
14139-14273 Bearing’s tapered roller design provides excellent load distribution, reducing wear.
The chrome steel components resist deformation under heavy loads, ensuring long-term reliability.
With a static radial load capacity of 13,900 lbf, it handles rigorous industrial applications.
Its ABEC-1 rating confirms consistent precision in performance.
Steel vs Ceramic Bearings: Strengths of 14139-14273 Bearing
14139-14273 Bearing uses chrome steel for both rings and rollers, offering a balance of strength and affordability.
The material choice ensures good resistance to wear and fatigue in typical operating conditions.
While ceramic bearings may suit specialised applications, this model provides reliable performance for most needs.
Its standard lubrication requirement simplifies maintenance compared to some alternatives.
Common Applications of 14139-14273 Bearing
14139-14273 Bearing is widely used in industrial machinery, especially in gearboxes and conveyor systems where combined loads are common. Its tapered roller design provides excellent handling of both radial and thrust forces, ensuring reliable performance.
In automotive applications, 14139-14273 Bearing fits well in wheel hubs and differential systems, thanks to its durable chrome steel construction. The imperial sizing makes it a convenient choice for vehicles manufactured in the US and other inch-standard markets.
For heavy-duty equipment like agricultural machinery, 14139-14273 Bearing’s robust design handles high loads with ease. The open seal type allows for easy lubrication, extending its service life in demanding conditions.
In construction equipment, 14139-14273 Bearing supports components like axles and pulleys, where its ABEC-1 rating ensures consistent performance. The steel cage adds extra durability, making it suitable for rough environments.