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

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

The 749-742V is a single-row tapered roller bearing with a 3.35″ bore and 5.91″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 84,700 lbf radially and 12,200 lbf thrust, suitable 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, making it versatile for various conditions.

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

Weighing 7.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 749-742V
  • 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 4.46"
  • 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 749
  • Cup Part Number 742V
  • 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 749-742V Bearing

749-742V Bearing is crafted 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 friction.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 749-742V Bearing Engineered for Reliability?

749-742V Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction resists wear, ensuring a long service life even under stress.
Its standard radial clearance options provide flexibility for different operational needs.
The bearing’s effective centre location enhances stability during rotation.

Built for Durability: 749-742V Bearing

749-742V Bearing’s tapered roller design distributes loads evenly, reducing stress on components.
The chrome steel rollers and rings withstand high static radial loads up to 93,800 lbf.
Its open design allows for easy lubrication, maintaining smooth operation over time.
With an ABEC-1 rating, it balances precision and cost-effectiveness for industrial use.

Application

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

Where Is 749-742V Bearing Used?
You’ll often find 749-742V Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high loads. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 749-742V Bearing
In mining applications, 749-742V Bearing excels in conveyor systems, thanks to its high dynamic radial load capacity. The open design allows for easy lubrication, extending service life in harsh conditions.

Automotive vs Aerospace: Applications of 749-742V Bearing
For automotive use, 749-742V Bearing is ideal for wheel hubs and differentials, offering reliable performance. In aerospace, its precision meets the needs of auxiliary systems where load handling is critical.

Practical Applications of 749-742V Bearing
In industrial fans, 749-742V Bearing provides smooth operation under varying loads. Its standard radial clearance ensures consistent performance without frequent adjustments.

Q&A

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