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TS (Single Row Tapered Roller Bearings) (Imperial) 43138X-43312

TS (Single Row Tapered Roller Bearings) (Imperial) 43138X-43312

The 43138X-43312 is a single-row tapered roller bearing with a 1.378″ bore and 3.125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 17500 lbf radially and 5170 lbf thrust, suitable for demanding 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, 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 1.2 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 43138X-43312
  • Brand TFL
  • Interchangeable Timken
  • Size 1.378" x 3.125" x 0.9688"
  • Bore Dia 1.378"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9166"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 2.05"
  • Cup Frontface Backing Diameter 2.94"
  • Cup Backface Backing Diameter 2.64"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.05"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 43138X
  • Cup Part Number 43312
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 43000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 17500 lbf
  • Static Radial Load 17100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 4520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5170 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 1.2 lb

Features

How Does 43138X-43312 Bearing Handle Combined Loads?

43138X-43312 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 17,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Core Advantages of 43138X-43312 Bearing

43138X-43312 Bearing features a single-row tapered roller design, ideal for combined load applications.
The chrome steel construction provides durability and resistance to wear under heavy loads.
Its standard radial clearance ensures smooth operation, while the open design simplifies maintenance.
This bearing is interchangeable with Timken models, offering flexibility in replacements.

Why Choose 43138X-43312 Bearing for Precision Tasks?

43138X-43312 Bearing’s precise cone and cup dimensions ensure accurate alignment in machinery.
The tapered roller design distributes loads evenly, enhancing performance and longevity.
With an ABEC-1 rating, it meets standard precision requirements for industrial applications.
Its effective center location of -0.05″ helps maintain stability during operation.

Application

Industrial Uses of 43138X-43312 Bearing
43138X-43312 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 even in demanding environments.

Where Is 43138X-43312 Bearing Used?
You’ll often find 43138X-43312 Bearing in automotive axles and wheel hubs, thanks to its ability to manage both radial and thrust loads. Its inch sizing makes it a good fit for American-made vehicles.

Built for Heavy-Duty Use: 43138X-43312 Bearing
43138X-43312 Bearing works well in conveyor systems and mining equipment, where its steel cage provides stability under high stress. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 43138X-43312 Bearing
In automotive settings, 43138X-43312 Bearing supports drivetrain components, while in aerospace, it’s used in auxiliary systems due to its reliable performance. The ABEC-1 rating ensures consistent precision.

Essential Roles of 43138X-43312 Bearing
43138X-43312 Bearing is a go-to for industrial pumps and compressors, where its tapered rollers reduce friction. The standard radial clearance options make it adaptable to various operational needs.

Q&A

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