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TS (Single Row Tapered Roller Bearings) (Imperial) 748-S-742

TS (Single Row Tapered Roller Bearings) (Imperial) 748-S-742

The 748-S-742 is a single-row tapered roller bearing with a 3″ bore and 5.909″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 84700 lbf radially 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 robust performance is needed.

Weighing 8.1 lb, it’s a solid choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 748-S-742
  • Brand TFL
  • Interchangeable Timken
  • Size 3" x 5.909" x 1.75"
  • Bore Dia 3"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.909"
  • 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 1.75"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 4.21"
  • Cone Backface Backing Diameter 3.66"
  • 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-S
  • Cup Part Number 742
  • 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 8.1 lb

Features

Performance Features of 748-S-742 Bearing

748-S-742 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 various environmental conditions.

748-S-742 Bearing’s standard radial clearance provides flexibility for different installation needs.
Its ABEC-1 rating ensures consistent precision for industrial applications.

The open design simplifies lubrication, making maintenance straightforward.
This bearing is interchangeable with Timken models, offering convenience for replacements.

Application

Industrial Uses of 748-S-742 Bearing
748-S-742 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.

Where Is 748-S-742 Bearing Used?
In automotive applications, 748-S-742 Bearing supports wheel hubs and drivetrain components, providing reliable performance under high radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 748-S-742 Bearing
748-S-742 Bearing excels in industrial gearboxes, where its single-row design simplifies installation and maintenance. The steel cage adds strength, making it suitable for continuous operation.

Automotive vs Aerospace: Applications of 748-S-742 Bearing
748-S-742 Bearing is versatile enough for both automotive drivetrains and aerospace landing gear systems. Its ABEC-1 rating ensures consistent performance in precision applications.

Key Fields for 748-S-742 Bearing
748-S-742 Bearing is ideal for agricultural machinery, where its tapered rollers manage uneven loads from tillers and harvesters. The standard radial clearance allows for smooth operation in dusty conditions.

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