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TS (Single Row Tapered Roller Bearings) (Imperial) 749V-742X

TS (Single Row Tapered Roller Bearings) (Imperial) 749V-742X

The 749V-742X is a single-row tapered roller bearing with a 3.3475″ bore and 5.909″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 84700 lbf radial and 12200 lbf thrust, suitable for demanding applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging 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-duty machinery or automotive systems where combined loads are common.

Weighing 7.100 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 749V-742X
  • Brand TFL
  • Interchangeable Timken
  • Size 3.3475" x 5.909" x 1.7502"
  • Bore Dia 3.3475"
  • Bore Dia Tolerance +0.001" 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 1.7502"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 3.57"
  • Cone Backface Backing Diameter 3.19"
  • 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 749V
  • Cup Part Number 742X
  • 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 7.100 lb

Features

Performance Features of 749V-742X Bearing

749V-742X 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, enhancing durability and reducing wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 749V-742X Bearing Engineered for Reliability?

749V-742X Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The tapered roller design distributes stress evenly, extending the bearing’s service life.
Its standard radial clearance allows for flexibility in different applications.
The chrome steel construction provides excellent resistance to wear and fatigue.

Built for Durability: 749V-742X Bearing

749V-742X Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The steel cage keeps rollers in place, reducing friction and noise during operation.
With a static radial load rating of 93,800 lbf, it handles demanding conditions with ease.
The bearing’s open design allows for easy lubrication, ensuring long-term performance.

Application

Industrial Uses of 749V-742X Bearing
The 749V-742X Bearing is commonly used in heavy machinery like construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 749V-742X Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under high radial and thrust loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial gearboxes, 749V-742X Bearing’s open design allows for easy lubrication, extending service life in continuous operation. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is 749V-742X Bearing Used?
You’ll often find 749V-742X Bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands rough conditions. The tapered rollers ensure smooth rotation even under uneven loads.

In conveyor systems, 749V-742X Bearing supports heavy rollers, reducing friction and maintenance needs. Its standard radial clearance makes it versatile for various speed requirements.

Built for Heavy-Duty Use: 749V-742X Bearing
The 749V-742X Bearing excels in forestry equipment like log splitters, where its high static radial load capacity is crucial. The chrome steel rollers resist wear, even in abrasive environments.

For railway applications, 749V-742X Bearing handles the dynamic loads of freight car axles reliably. Its ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 749V-742X Bearing
In automotive settings, 749V-742X Bearing is ideal for heavy-duty axles and transmissions, balancing cost and performance. The inch measurements simplify replacements in older machinery.

For aerospace ground equipment, 749V-742X Bearing supports tow tractors and loading systems, where its temperature range suits variable weather conditions. The steel cage prevents deformation under stress.

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