+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 748-743

TS (Single Row Tapered Roller Bearings) (Imperial) 748-743

The 748-743 is a single-row tapered roller bearing with a 3.15″ bore and 5.91″ outer diameter, crafted from sturdy chrome steel for long-lasting use. It handles combined loads up to 71400 lbf radially and 10300 lbf thrust, making it versatile for heavy-duty applications.

Its open design allows easy lubrication, while the steel cage ensures durability even under stress. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for various industrial environments.

This model is compatible with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 7.6 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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

Product Parameters

  • Part Number 748-743
  • Brand TFL
  • Interchangeable Timken
  • Size 3.1496" x 5.9055" x 1.7502"
  • Bore Dia 3.1496"
  • 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 0.12"
  • 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 748
  • 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 71400 lbf
  • Static Radial Load 93800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 18500 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 10300 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 748-743 Bearing

748-743 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 71,400 lbf, ensuring reliable performance in heavy-duty applications.

The steel cage maintains proper roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environmental conditions.

748-743 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its ABEC-1 rating ensures consistent precision for industrial applications.

Application

Industrial Uses of 748-743 Bearing
The 748-743 Bearing is a solid choice for heavy machinery, especially in construction equipment where combined loads are common. Its tapered roller design handles radial and thrust forces efficiently, making it reliable for long-term use.

Where Is 748-743 Bearing Used?
You’ll often find 748-743 Bearing in agricultural machinery, like tractors and harvesters, where its durability shines. The inch sizing ensures compatibility with older equipment still running on imperial measurements.

Built for Heavy-Duty Use: 748-743 Bearing
In mining applications, 748-743 Bearing stands up to harsh conditions thanks to its chrome steel construction. The open design allows for easy lubrication, extending its service life even under constant stress.

Automotive vs Aerospace: Applications of 748-743 Bearing
For trucks and buses, 748-743 Bearing supports axles and transmissions with its high load capacity. In aerospace, it’s less common but can be found in ground support equipment where robustness matters.

Perfect Fit for Automation: 748-743 Bearing
In conveyor systems, 748-743 Bearing ensures smooth operation with minimal maintenance. Its standard radial clearance makes it adaptable to various speeds and load conditions in automated setups.

Q&A

SEND INQUIRY