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TS (Single Row Tapered Roller Bearings) (Imperial) 3191-3126

TS (Single Row Tapered Roller Bearings) (Imperial) 3191-3126

The 3191-3126 is a single-row tapered roller bearing with a 1.1875″ bore and 2.836″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 21300 lbf radially and 3140 lbf thrust, suitable for demanding applications.

Its open design allows for 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, making it a practical choice for replacements. Ideal for use in heavy machinery or automotive systems where combined loads are common.

Weighing 1.3 lb, it offers a balance of strength and manageable size. Compliant with RoHS and REACH standards for safe and reliable performance.

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Product Parameters

  • Part Number 3191-3126
  • Brand TFL
  • Interchangeable Timken
  • Size 1.1875" x 2.836" x 1.1876"
  • Bore Dia 1.1875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.836"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.181"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.110"
  • Cone Frontface Backing Diameter 1.52"
  • Cone Backface Backing Diameter 1.75"
  • Cup Frontface Backing Diameter 2.68"
  • Cup Backface Backing Diameter 2.40"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.03"
  • Effective Center Location -0.4"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3191
  • Cup Part Number 3126
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3100
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21300 lbf
  • Static Radial Load 22800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5520 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3140 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 1.3 lb

Features

Performance Features of 3191-3126 Bearing

3191-3126 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21300 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.

How Is 3191-3126 Bearing Engineered for Reliability?

3191-3126 Bearing features precise tolerances, with bore diameter tolerance of +0.005″ to 0.
The tapered roller design efficiently handles both radial and thrust loads.
Its standard radial clearance ensures smooth operation, with options for C3/C4/C5 available.
The open seal type allows for easy lubrication, enhancing maintenance convenience.

Built for Durability: 3191-3126 Bearing

3191-3126 Bearing’s chrome steel construction provides excellent wear resistance.
The single-row design ensures stability and reliability under heavy loads.
With a static radial load capacity of 22800 lbf, it is suitable for demanding applications.
Its ABEC-1 rating guarantees consistent precision and performance.

Steel vs Ceramic Bearings: Strengths of 3191-3126 Bearing

3191-3126 Bearing uses chrome steel for both rings and rollers, ensuring durability.
The steel cage design enhances load distribution and reduces wear.
It supports dynamic thrust ratings up to 3140 lbf, making it versatile for various uses.
The standard lubrication requirement ensures long-lasting performance with proper maintenance.

Application

Industrial Uses of 3191-3126 Bearing
3191-3126 Bearing works well in heavy machinery like conveyor systems, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding industrial environments.

What Makes 3191-3126 Bearing a Preferred Choice?
In automotive applications, 3191-3126 Bearing supports axle assemblies and gearboxes, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

Built for Heavy-Duty Use: 3191-3126 Bearing
For construction equipment, 3191-3126 Bearing’s robust design handles the stress of loaders and excavators. The steel cage adds extra strength, making it suitable for rough conditions.

Automotive vs Aerospace: Applications of 3191-3126 Bearing
While commonly used in trucks and tractors, 3191-3126 Bearing also fits agricultural machinery where durability matters. Its standard radial clearance allows for smooth operation in varying temperatures.

Essential Roles of 3191-3126 Bearing
In mining equipment, 3191-3126 Bearing’s ability to manage heavy loads makes it a reliable choice for crushers and screens. The open design simplifies maintenance in dusty environments.

Q&A

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