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TS (Single Row Tapered Roller Bearings) (Imperial) 43131-43300

TS (Single Row Tapered Roller Bearings) (Imperial) 43131-43300

The 43131-43300 is a single-row tapered roller bearing with a 1.3125″ bore and 3″ outer diameter, crafted from robust 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 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 machinery or automotive systems where combined loads are common.

Weighing just 1.1 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 43131-43300
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 3" x 0.9688"
  • Bore Dia 1.3125"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.65"
  • Cone Backface Backing Diameter 2.01"
  • 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 43131
  • 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 1.1 lb

Features

Performance Features of 43131-43300 Bearing

43131-43300 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 various applications.

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 diverse environments.

43131-43300 Bearing requires lubrication, which helps maintain smooth operation over time.
Its standard radial clearance options provide flexibility for different installation needs.

Application

Industrial Uses of 43131-43300 Bearing
43131-43300 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability even in demanding environments.

Where Is 43131-43300 Bearing Used?
You’ll often find 43131-43300 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: 43131-43300 Bearing
43131-43300 Bearing works well in conveyor systems, thanks to its robust steel cage and standard radial clearance. The open design simplifies lubrication and maintenance.

Automotive vs Aerospace: Applications of 43131-43300 Bearing
In automotive settings, 43131-43300 Bearing supports high-load components like axles. For aerospace, its temperature range suits auxiliary systems requiring reliable performance.

Perfect Fit for Automation: 43131-43300 Bearing
43131-43300 Bearing is a solid choice for robotic arms, where precise load handling matters. The ABEC-1 rating ensures consistent performance in automated workflows.

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