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TS (Single Row Tapered Roller Bearings) (Imperial) 49577-49521

TS (Single Row Tapered Roller Bearings) (Imperial) 49577-49521

The 49577-49521 is a single-row tapered roller bearing with a 1.75″ bore and 4″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 29800 lbf radially and 5310 lbf thrust, making it a versatile choice.

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.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy-duty applications like automotive axles or industrial gearboxes where combined loads are common.

Weighing 2.9 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 49577-49521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 4" x 1.3751"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3751"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.13"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.82"
  • Cup Backface Backing Diameter 3.43"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.28"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 49577
  • Cup Part Number 49521
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 49500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 29800 lbf
  • Static Radial Load 35000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7740 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5310 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 2.9 lb

Features

Performance Features of 49577-49521 Bearing

49577-49521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 29,800 lbf, ensuring reliable performance in tough conditions.

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 environments.

49577-49521 Bearing’s standard radial clearance allows for smooth operation under different load conditions.
Its tapered roller design efficiently handles both radial and thrust loads.

Application

Industrial Uses of 49577-49521 Bearing
49577-49521 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

In automotive applications, 49577-49521 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its inch sizing makes it a convenient choice for American and British vehicle models.

For industrial conveyor systems, 49577-49521 Bearing offers smooth operation due to its precise radial clearance options. The steel cage adds extra strength, making it suitable for high-load scenarios.

Where Is 49577-49521 Bearing Used?
You’ll often find 49577-49521 Bearing in mining equipment, where its robust design withstands harsh environments. The open seal type allows for easy lubrication, extending its service life.

In power transmission systems, 49577-49521 Bearing supports shafts and gears, ensuring efficient energy transfer. Its ABEC-1 rating provides a good balance of precision and affordability for general industrial use.

Built for Heavy-Duty Use: 49577-49521 Bearing
49577-49521 Bearing excels in applications like forklifts and cranes, where its high dynamic radial load capacity is crucial. The tapered rollers distribute stress evenly, reducing wear.

For railway applications, 49577-49521 Bearing handles the constant vibration and heavy loads of freight cars. Its temperature range of -30° to 110°C ensures performance in diverse climates.

Light-Duty vs Heavy-Duty: Best Uses for 49577-49521 Bearing
In light-duty scenarios like small gearboxes, 49577-49521 Bearing provides reliable performance without over-engineering. Its standard radial clearance suits most general machinery needs.

For heavy-duty industrial presses, 49577-49521 Bearing’s static radial load capacity of 35,000 lbf ensures stability under extreme pressure. The steel cage and chrome steel rollers enhance its longevity.

Q&A

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