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TS (Single Row Tapered Roller Bearings) (Imperial) 66187-66462

TS (Single Row Tapered Roller Bearings) (Imperial) 66187-66462

The 66187-66462 is a single-row tapered roller bearing with a 1.875″ bore and 4.625″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 39700 lbf radial and 11000 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 heavy-duty machinery or automotive systems where combined loads are common.

Weighing 3.7 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

The standard radial clearance and ABEC-1 rating offer reliable performance. Its tapered roller design provides efficient load distribution and long service life.

Perfect for industrial settings or vehicle components requiring durability and precision. The chrome steel construction resists wear, ensuring consistent operation over time.

Easy to maintain with regular lubrication, this bearing is a dependable option for various mechanical systems. Its dimensions and tolerances ensure a precise fit in compatible assemblies.

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Product Parameters

  • Part Number 66187-66462
  • Brand TFL
  • Interchangeable Timken
  • Size 1.875" x 4.625" x 1.3125"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.625"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.25"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.3125"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.44"
  • Cone Backface Backing Diameter 2.72"
  • Cup Frontface Backing Diameter 4.41"
  • Cup Backface Backing Diameter 3.94"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location -0.01"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 66187
  • Cup Part Number 66462
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 66000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 39700 lbf
  • Static Radial Load 37300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 10300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 11000 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 3.7 lb

Features

Performance Features of 66187-66462 Bearing

66187-66462 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 39,700 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Does 66187-66462 Bearing Reduce Friction?

66187-66462 Bearing’s tapered roller design minimises friction, enabling smooth operation under heavy loads.
The chrome steel construction ensures durability, while the steel cage keeps rollers in place.
Its effective centre location of -0.01″ enhances stability during rotation.
This design also helps distribute loads evenly, reducing wear over time.

Engineered for Precision: 66187-66462 Bearing

66187-66462 Bearing is precision-crafted for accurate performance in combined load applications.
The single-row tapered roller design provides excellent radial and thrust load capacity.
With an ABEC-1 rating, it ensures consistent performance in industrial settings.
Its standard radial clearance can be adjusted to C3, C4, or C5 for specific needs.

Steel vs Ceramic Bearings: Strengths of 66187-66462 Bearing

66187-66462 Bearing uses chrome steel for both rings and rollers, offering a balance of strength and affordability.
The steel construction provides excellent load capacity, with 37,300 lbf static radial load rating.
Unlike ceramic options, it is easier to maintain and more cost-effective for industrial use.
The steel cage further enhances durability, making it suitable for heavy-duty applications.

Application

Industrial Uses of 66187-66462 Bearing
You’ll often spot 66187-66462 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined loads effortlessly. The inch sizing makes it a go-to for North American industrial applications.

In automotive settings, 66187-66462 Bearing works well in wheel hubs and differentials, thanks to its robust chrome steel construction. Its standard radial clearance ensures smooth performance even under varying loads.

For agricultural machinery, 66187-66462 Bearing’s durability shines in gearboxes and PTO shafts. The steel cage adds extra resilience, making it suitable for tough, dusty environments.

Where Is 66187-66462 Bearing Used?
66187-66462 Bearing is a reliable choice for conveyor systems in mining operations, where its tapered rollers manage heavy radial and thrust loads. The open design simplifies lubrication in harsh conditions.

You’ll also find it in railway applications, particularly in axle boxes, where its ABEC-1 rating ensures consistent performance. The chrome steel rollers extend service life even under constant vibration.

Built for Heavy-Duty Use: 66187-66462 Bearing
66187-66462 Bearing excels in forestry equipment like log splitters, where its combined load capacity is put to the test. The inch measurements ensure easy replacement in older machinery.

Its compatibility with Timken equivalents makes it a versatile option for maintenance teams. The standard radial clearance balances precision and durability for most industrial needs.

Automotive vs Aerospace: Applications of 66187-66462 Bearing
In automotive drivetrains, 66187-66462 Bearing handles high torque loads in trucks and buses. The tapered rollers distribute stress evenly, reducing wear over time.

While not typically used in aerospace, it’s ideal for ground support equipment like tugs and loaders. The temperature range suits most outdoor operating conditions.

Q&A

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