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TS (Single Row Tapered Roller Bearings) (Imperial) 3187-3126

TS (Single Row Tapered Roller Bearings) (Imperial) 3187-3126

The 3187-3126 is a single-row tapered roller bearing with a 1.1875″ bore and 2.836″ outer diameter, crafted from robust chrome steel. It handles combined loads up to 21300 lbf radially and 3140 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 from -30°C to 110°C, suitable for demanding environments.

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

Weighing 1.3 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 3187-3126
  • 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 0.03"
  • Cup Backface ToClear Radius 0.110"
  • Cone Frontface Backing Diameter 1.52"
  • Cone Backface Backing Diameter 1.54"
  • 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 3187
  • 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 3187-3126 Bearing

3187-3126 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21,300 lbf, ensuring reliable performance in heavy-duty 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 various environments.

How Is 3187-3126 Bearing Engineered for Reliability?

3187-3126 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,140 lbf (Ca90) makes it suitable for demanding conditions.
The open seal type allows for easy lubrication, maintaining performance over time.

Built for Durability: 3187-3126 Bearing

3187-3126 Bearing’s tapered roller design distributes loads evenly, reducing stress on components.
The chrome steel material resists wear, ensuring a longer service life even under heavy loads.
With an ABEC-1 rating, it balances precision and affordability for various industrial uses.
The standard radial clearance option provides flexibility for different application needs.

Application

Common Applications of 3187-3126 Bearing
3187-3126 Bearing is widely used in industrial equipment like heavy-duty gearboxes and conveyor systems, where its tapered roller design handles combined radial and thrust loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 3187-3126 Bearing supports axle assemblies and wheel hubs, providing reliable performance under varying load conditions. Its inch sizing makes it compatible with many North American vehicle models.

For automation systems, 3187-3126 Bearing’s precise engineering makes it suitable for robotic arms and assembly line machinery. The open design allows for easy lubrication, extending service life in high-use scenarios.

Where Is 3187-3126 Bearing Used?
You’ll often find 3187-3126 Bearing in agricultural machinery, particularly in tractor transmissions and harvesters. Its robust design handles the shocks and vibrations common in farm equipment.

The bearing also works well in construction equipment like excavators and loaders, where its high dynamic load capacity is essential. The steel cage adds extra strength for these tough applications.

Built for Heavy-Duty Use: 3187-3126 Bearing
3187-3126 Bearing excels in mining equipment, where its ability to handle both radial and axial loads is crucial. The standard radial clearance option provides flexibility for different operating conditions.

In material handling systems, this bearing’s tapered roller design ensures smooth operation even under uneven loads. The ABEC-1 rating offers a good balance of precision and cost-effectiveness for most industrial needs.

Automotive vs Industrial: Applications of 3187-3126 Bearing
While commonly used in truck wheel hubs, 3187-3126 Bearing also performs well in industrial fans and pumps. Its temperature range suits both engine compartments and factory environments.

The bearing’s versatility makes it equally at home in forestry equipment as in warehouse conveyor systems. The interchangeable design with Timken bearings simplifies maintenance across different machinery types.

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