+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 750-743

TS (Single Row Tapered Roller Bearings) (Imperial) 750-743

The 750-743 is a single-row tapered roller bearing with a 3.125″ bore and 5.9055″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 84700 lbf radial and 12200 lbf thrust, making it suitable for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under high stress. 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 7.6 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe use.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 750-743
  • Brand TFL
  • Interchangeable Timken
  • Size 3.125" x 5.9055" x 1.7502"
  • Bore Dia 3.125"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.9055"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.378"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7502"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.32"
  • Cone Backface Backing Diameter 3.78"
  • Cup Frontface Backing Diameter 5.63"
  • Cup Backface Backing Diameter 5.28"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.05"
  • Effective Center Location -0.47"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 750
  • Cup Part Number 743
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 745
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 84700 lbf
  • Static Radial Load 93800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 21900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 12200 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 7.6 lb

Features

Performance Features of 750-743 Bearing

750-743 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 84,700 lbf, ensuring reliable performance in heavy-duty 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 varied environments.

Why Choose 750-743 Bearing for Precision Tasks?

750-743 Bearing features precise cone and cup width tolerances, ensuring accurate alignment in assemblies.
The tapered roller design distributes loads evenly, enhancing stability and reducing wear.
Its ABEC-1 rating confirms consistent performance for general precision applications.
Standard radial clearance options allow flexibility for different operational needs.

Engineered for Reliability: 750-743 Bearing

750-743 Bearing’s chrome steel construction resists wear, even under high dynamic thrust loads.
The open design simplifies lubrication, ensuring smooth operation over extended periods.
With a static radial load capacity of 93,800 lbf, it handles demanding conditions reliably.
Its effective centre location design improves load distribution, reducing stress on components.

Steel vs Ceramic Bearings: Strengths of 750-743 Bearing

750-743 Bearing’s chrome steel rollers provide durability and cost-efficiency compared to ceramic options.
The steel cage ensures robust performance, even in high-load industrial applications.
Its dynamic thrust rating of 12,200 lbf at 90 million revolutions highlights long-term reliability.
The standard lubrication requirement ensures easy maintenance and consistent performance.

Application

Industrial Uses of 750-743 Bearing
750-743 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 750-743 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyors, 750-743 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds extra strength, making it suitable for continuous operation.

Where Is 750-743 Bearing Used?
750-743 Bearing finds its place in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles both radial and thrust loads with ease.

The bearing’s standard radial clearance makes it versatile for general industrial applications, from pumps to compressors. Its ABEC-1 rating ensures consistent performance without over-engineering.

Built for Heavy-Duty Use: 750-743 Bearing
750-743 Bearing excels in mining equipment, where its high dynamic load capacity withstands harsh conditions. The tapered rollers distribute stress evenly, reducing wear.

In material handling systems, 750-743 Bearing’s steel cage and chrome steel rollers offer long-lasting performance. Its temperature range suits both indoor and outdoor applications.

Automotive vs Aerospace: Applications of 750-743 Bearing
750-743 Bearing is a go-to for truck axles, balancing durability and load capacity in automotive settings. Its inch measurements align with standard US manufacturing specs.

While not typically used in aerospace, 750-743 Bearing serves well in ground support equipment. Its reliability and ease of maintenance make it a practical choice for such roles.

Q&A

SEND INQUIRY