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TS (Single Row Tapered Roller Bearings) (Imperial) 43118-43300

TS (Single Row Tapered Roller Bearings) (Imperial) 43118-43300

The 43118-43300 is a single-row tapered roller bearing with a 1.1875″ bore and 3″ outer diameter, crafted from sturdy chrome steel. It handles combined loads with a dynamic radial capacity of 20700 lbf and spins smoothly in temperatures from -30°C to 110°C.

Its open design and steel cage ensure durability, while the tapered rollers provide stable performance under heavy loads. The bearing requires regular lubrication for optimal operation.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It suits applications like vehicle axles or industrial gearboxes where combined loads are common.

Weighing 1.2 lb, it offers reliable performance in a compact package. Compliant with RoHS and REACH standards for safe use across various industries.

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Product Parameters

  • Part Number 43118-43300
  • Brand TFL
  • Interchangeable Timken
  • Size 1.1875" x 3" x 0.9688"
  • Bore Dia 1.1875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.9478"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.9688"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 1.77"
  • Cup Frontface Backing Diameter 2.91"
  • Cup Backface Backing Diameter 2.52"
  • 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 43118
  • Cup Part Number 43300
  • 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 1.2 lb

Features

Performance Features of 43118-43300 Bearing

43118-43300 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,700 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 43118-43300 Bearing Engineered for Reliability?

43118-43300 Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 6,130 lbf makes it suitable for heavy-duty applications.
The open seal type allows for easy lubrication, maintaining performance over time.

Designed for Durability: 43118-43300 Bearing

43118-43300 Bearing’s tapered roller design ensures efficient load distribution, reducing wear.
The steel cage and chrome steel components enhance its longevity, even under high stress.
With an ABEC-1 rating, it offers reliable precision for various industrial uses.
Its standard radial clearance options provide flexibility for different operating conditions.

Steel vs Ceramic Bearings: Strengths of 43118-43300 Bearing

43118-43300 Bearing uses chrome steel for both rings and rollers, balancing cost and performance.
This material choice ensures robust resistance to heavy loads and long-term reliability.
The steel cage further enhances durability, making it a practical choice for many applications.
Its compatibility with Timken bearings adds to its versatility and ease of replacement.

Application

Industrial Uses of 43118-43300 Bearing
43118-43300 Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in tough working conditions.

Where Is 43118-43300 Bearing Used?
You’ll often find 43118-43300 Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a good fit for American and British vehicle models.

Built for Heavy-Duty Use: 43118-43300 Bearing
43118-43300 Bearing excels in industrial gearboxes, providing reliable performance under high radial and thrust loads. The steel cage adds extra strength, making it suitable for long-term use.

Automotive vs Aerospace: Applications of 43118-43300 Bearing
In automotive systems, 43118-43300 Bearing supports wheel assemblies, while in aerospace, it’s used in auxiliary equipment. Its ABEC-1 rating ensures consistent performance across different industries.

Practical Applications of 43118-43300 Bearing
43118-43300 Bearing is a solid choice for conveyor systems, where its open design allows for easy lubrication. The standard radial clearance makes it versatile for various industrial setups.

Q&A

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