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TS (Single Row Tapered Roller Bearings) (Imperial) 43125-43326

TS (Single Row Tapered Roller Bearings) (Imperial) 43125-43326

The 43125-43326 is a single-row tapered roller bearing with a 1.25″ bore and 3.25″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 20700 lbf radially and 6130 lbf thrust, making it versatile for various applications.

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

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

Weighing 1.4 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 43125-43326
  • Brand TFL
  • Interchangeable Timken
  • Size 1.25" x 3.25" x 1"
  • Bore Dia 1.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9478"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.63"
  • Cone Backface Backing Diameter 1.73"
  • Cup Frontface Backing Diameter 3.03"
  • Cup Backface Backing Diameter 2.68"
  • Cage Cone Frontface Clearance 0.13"
  • Cage Cone Backface Clearance 0.1"
  • Effective Center Location -0.08"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 43125
  • Cup Part Number 43326
  • 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 20700 lbf
  • Static Radial Load 17100 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5360 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6130 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 43125-43326 Bearing

43125-43326 Bearing is crafted from chrome steel for both rings and rollers, ensuring strength and durability.
Its dynamic radial load capacity reaches 20,700 lbf, making it suitable for heavy-duty applications.

The tapered roller design allows it to handle combined loads efficiently, providing reliable performance.
With a standard radial clearance, it offers flexibility for various operating conditions.

43125-43326 Bearing operates within a temperature range of -30° to 110°C, adapting to diverse environments.
The steel cage maintains roller alignment, reducing friction and extending service life.

Easy to install and maintain, 43125-43326 Bearing is a practical choice for industrial applications.
Its ABEC-1 rating ensures consistent precision and smooth operation.

Application

Industrial Uses of 43125-43326 Bearing
43125-43326 Bearing is widely 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 43125-43326 Bearing Used?
You’ll often find 43125-43326 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 and British vehicle manufacturers.

Built for Heavy-Duty Use: 43125-43326 Bearing
43125-43326 Bearing excels in industrial fans and pumps, where its open design allows for easy lubrication and maintenance. The steel cage adds extra strength, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 43125-43326 Bearing
In automotive systems, 43125-43326 Bearing supports transmissions and differentials, while in aerospace, it’s used in landing gear assemblies. Its ABEC-1 rating ensures consistent performance across these high-stakes applications.

Essential Roles of 43125-43326 Bearing
43125-43326 Bearing is a staple in conveyor systems and material handling equipment, where its standard radial clearance adapts to varying load conditions. The temperature range of -30° to 110°C makes it versatile for different climates.

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