+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 740-742A

TS (Single Row Tapered Roller Bearings) (Imperial) 740-742A

The 740-742A is a single-row tapered roller bearing with a 3.1875″ bore and 5.9045″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 84700 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing is compatible with Timken models, making it a practical choice for replacements.

With a standard radial clearance and ABEC-1 rating, it offers reliable performance for industrial applications. Ideal for machinery like gearboxes or conveyors where combined loads are common.

Weighing 7.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and sustainable use.

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

Product Parameters

  • Part Number 740-742A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.1875" x 5.9045" x 1.7502"
  • Bore Dia 3.1875"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.9045"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.8375"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.4375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.7502"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.2"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.4"
  • Cone Backface Backing Diameter 3.98"
  • 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 740
  • Cup Part Number 742A
  • 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 7.5 lb

Features

Performance Features of 740-742A Bearing

740-742A Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 84,700 lbf, making it suitable for heavy-duty applications.

The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a standard radial clearance, it provides reliable performance in various operating conditions.

740-742A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its tapered roller design ensures smooth operation under both radial and thrust loads.

The open seal type allows for easy lubrication, maintaining optimal performance over time.
Weighing 7.5 lb, it balances strength and practicality for industrial use.

Application

Industrial Uses of 740-742A Bearing
740-742A 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 rugged environments.

In automotive applications, 740-742A 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 conveyor systems, 740-742A Bearing’s open design allows for easy lubrication, extending service life in high-load scenarios. The steel cage adds extra strength for continuous operation.

Why Is 740-742A Bearing Essential in Machinery?
740-742A Bearing plays a key role in agricultural machinery, supporting heavy axial and radial loads in tractors and harvesters. Its standard radial clearance suits dynamic operating conditions.

In mining equipment, 740-742A Bearing’s robust design withstands harsh conditions, reducing downtime. The ABEC-1 rating ensures consistent performance without over-engineering.

Built for Heavy-Duty Use: 740-742A Bearing
740-742A Bearing is ideal for gearboxes in industrial pumps, where its tapered rollers manage thrust and radial forces smoothly. The chrome steel rollers resist wear over time.

For railway applications, 740-742A Bearing’s durability makes it suitable for axle boxes, ensuring safe and efficient transport. The inch measurements align with many legacy systems.

Automotive vs Aerospace: Applications of 740-742A Bearing
In automotive drivetrains, 740-742A Bearing handles high torque loads, while its aerospace use is limited due to weight constraints. The open design simplifies maintenance in vehicles.

For industrial fans, 740-742A Bearing’s dynamic load capacity ensures reliable operation. Its temperature range suits both indoor and outdoor installations.

Q&A

SEND INQUIRY