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TS (Single Row Tapered Roller Bearings) (Imperial) 31594-31521

TS (Single Row Tapered Roller Bearings) (Imperial) 31594-31521

The 31594-31521 is a single-row tapered roller bearing with a 1.375″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 21300 lbf radially and 3800 lbf thrust, making it versatile for various applications.

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 demanding environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for machinery like gearboxes or axles where combined loads are common.

Weighing 1.4 lb, it’s robust yet manageable. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 31594-31521
  • Brand TFL
  • Interchangeable Timken
  • Size 1.375" x 3" x 1.1563"
  • Bore Dia 1.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.050"
  • Cone Frontface Backing Diameter 1.71"
  • Cone Backface Backing Diameter 1.81"
  • Cup Frontface Backing Diameter 2.87"
  • Cup Backface Backing Diameter 2.60"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.3"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 31594
  • Cup Part Number 31521
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 31500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 24100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3800 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 1.400 lb

Features

Performance Features of 31594-31521 Bearing

31594-31521 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 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 31594-31521 Bearing Engineered for Reliability?

31594-31521 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides excellent strength and resistance to wear.
Its standard radial clearance ensures smooth operation in most industrial applications.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 31594-31521 Bearing

31594-31521 Bearing’s single row construction offers a compact solution for combined load scenarios.
The precise tolerances on bore and outer diameters ensure a perfect fit in various assemblies.
With a static radial load capacity of 24,100 lbf, it delivers reliable performance under pressure.
The ABEC-1 rating confirms its consistent quality for general industrial use.

Steel vs Ceramic Bearings: Strengths of 31594-31521 Bearing

31594-31521 Bearing uses chrome steel for both rings and rollers, providing excellent durability at a competitive price.
The steel cage maintains roller spacing effectively, even under heavy loads.
While ceramic bearings might offer some advantages, this model delivers proven performance in most industrial settings.
Its 1.400 lb weight strikes a good balance between strength and practicality.

Application

Industrial Uses of 31594-31521 Bearing
This bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 31594-31521 Bearing Used?
You’ll often find 31594-31521 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a go-to choice for American-made vehicles and industrial applications.

Built for Heavy-Duty Use: 31594-31521 Bearing
31594-31521 Bearing excels in conveyor systems and gearboxes, where its steel cage and open design allow for easy lubrication. The standard radial clearance offers flexibility for various operational needs.

Automotive vs Aerospace: Applications of 31594-31521 Bearing
In automotive settings, 31594-31521 Bearing supports drivetrain components, while its precision makes it suitable for aerospace landing gear systems. The ABEC-1 rating ensures reliable performance across different industries.

Practical Applications of 31594-31521 Bearing
For industrial fans and pumps, 31594-31521 Bearing provides smooth rotation under heavy loads. Its compatibility with Timken models makes maintenance and replacements straightforward in most setups.

Q&A

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