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TS (Single Row Tapered Roller Bearings) (Imperial) 750-742A

TS (Single Row Tapered Roller Bearings) (Imperial) 750-742A

The 750-742A is a single-row tapered roller bearing with a 3.125″ bore and 5.9045″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 84700 lbf radial and 12200 lbf thrust, making it robust for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for applications like truck axles or industrial gearboxes where high radial and thrust loads are common.

Weighing 7.7 lb, it’s a solid choice for demanding machinery. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The 750-742A features a standard radial clearance, with options for C3, C4, or C5 available. Its tapered roller design provides effective load distribution, enhancing longevity.

With an ABEC-1 rating, it ensures consistent performance for general industrial use. The bearing’s effective center location at -0.47″ aids in precise alignment during installation.

Its cone and cup parts (750 and 742A) are designed for easy maintenance and replacement. Perfect for equipment requiring reliable performance under combined loads, such as construction machinery.

The bearing’s dimensions and tolerances are finely tuned for a secure fit, reducing wear over time.

This tapered roller bearing is built to last, with chrome steel rollers and rings for enhanced strength. It supports dynamic radial loads up to 21900 lbf at 90 million revolutions.

The open seal type simplifies greasing and inspection, crucial for routine maintenance. Its standard cup type ensures compatibility with common industrial setups.

Suitable for applications where temperature fluctuations are expected, thanks to its wide operating range. A dependable choice for heavy machinery in mining or agriculture.

The bearing’s weight and size make it manageable for installation while providing substantial load capacity.

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Product Parameters

  • Part Number 750-742A
  • Brand TFL
  • Interchangeable Timken
  • Size 3.125" x 5.9045" x 1.7502"
  • Bore Dia 3.125"
  • 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 0.14"
  • 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 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 7.7 lb

Features

Performance Features of 750-742A Bearing

750-742A Bearing is constructed with chrome steel rings and rollers, offering robust performance under 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 operating conditions.

How Is 750-742A Bearing Engineered for Reliability?

750-742A Bearing features precise cone and cup dimensions, ensuring smooth operation and easy installation.
The standard radial clearance allows for flexibility in different applications.
Its ABEC-1 rating guarantees consistent performance in industrial settings.
The open design simplifies lubrication, maintaining optimal performance over time.

Built for Durability: 750-742A Bearing

750-742A Bearing’s tapered roller design efficiently handles both radial and thrust loads.
The chrome steel construction resists wear, extending the bearing’s service life.
With a static radial load capacity of 93,800 lbf, it excels in demanding environments.
The steel cage provides stability, ensuring reliable operation even under stress.

Steel vs Ceramic Bearings: Strengths of 750-742A Bearing

750-742A Bearing uses chrome steel for both rollers and rings, offering excellent strength and durability.
This material choice ensures resistance to heavy loads and high temperatures.
The bearing’s design focuses on long-term reliability rather than extreme lightweight properties.
Its robust construction makes it a practical choice for industrial applications.

Application

Key Fields for 750-742A Bearing
750-742A Bearing is commonly used in industrial machinery, especially in heavy-duty applications like conveyor systems and large gearboxes. Its tapered roller design efficiently handles combined loads, making it reliable for continuous operation.

In automotive settings, 750-742A Bearing fits well in truck wheel hubs and differential systems, where its robust construction withstands high radial and thrust forces. The inch sizing ensures compatibility with many North American vehicle designs.

For construction equipment, 750-742A Bearing’s chrome steel rollers and steel cage provide durability in harsh environments like excavators and cranes. The standard radial clearance allows for smooth performance under varying loads.

750-742A Bearing also suits agricultural machinery, such as tractors and harvesters, where its ABEC-1 rating balances precision and cost-effectiveness. The open design simplifies lubrication, extending service life in dusty conditions.

Q&A

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