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3877 Single Cones (Imperial)
3877 Single Cones (Imperial)

3877 Single Cones (Imperial)

The 3877 single cones are tapered roller bearings designed for combined loads, with a 1.625″ bore and made from durable chrome steel. They handle dynamic radial loads up to 27900 lbf and operate smoothly in temperatures from -30°C to 110°C.

Their open design and steel cage ensure easy maintenance and long service life. The bearings are interchangeable with Timken models, offering flexibility for replacements.

Ideal for heavy-duty applications like truck axles or industrial gearboxes, where robust performance is needed. Compliant with RoHS and REACH standards, they are a reliable choice for various machinery.

With standard radial clearance and ABEC-1 rating, these cones balance precision and durability for everyday use.

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Product Parameters

  • Part Number 3877
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 3877-3820 , 3877-3821 , 3877-3822RB , 3877-3820-B
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 3800
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.1875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 1.98"
  • Cone Backface Backing Diameter 2.24"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.32"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 33200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7240 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 48600 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4980 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 12600 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of 3877 Bearing

3877 Bearing is built with chrome steel rings and a steel cage, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,900 lbf, ensuring reliable performance in demanding conditions.
The tapered roller design enhances stability and reduces friction during operation.

How Does 3877 Bearing Resist Wear?

3877 Bearing’s chrome steel construction provides excellent durability, even under heavy loads.
The steel cage maintains proper roller alignment, minimising wear and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Engineered for Precision: 3877 Bearing

3877 Bearing features a single-row tapered roller design for precise load distribution.
Its standard radial clearance ensures smooth operation, with options for C3/C4/C5 available.
The effective center location of -0.32″ enhances stability in mounted applications.

Steel vs Ceramic Bearings: Strengths of 3877 Bearing

3877 Bearing’s chrome steel construction offers a balance of strength and affordability.
It handles dynamic thrust loads up to 4,980 lbf, making it suitable for diverse applications.
The open seal design simplifies maintenance while ensuring reliable performance.

What Makes 3877 Bearing Suitable for High-Temperature Applications?

3877 Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its chrome steel material maintains structural integrity even under thermal stress.
The steel cage prevents deformation, ensuring consistent performance in varying conditions.

Application

Industrial Uses of 3877 Single Cones
3877 Single Cones are commonly used in heavy machinery like construction equipment, where their tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 3877 Single Cones support wheel hubs and differential systems, providing reliable performance under varying loads. Their inch sizing makes them compatible with many North American vehicle models.

For industrial conveyor systems, 3877 Single Cones offer smooth operation and easy maintenance due to their open seal design. The steel cage enhances longevity, making them a practical choice for continuous use.

Where Is 3877 Single Cones Used?
You’ll often find 3877 Single Cones in agricultural machinery, where they handle heavy radial and thrust loads. Their robust design ensures consistent performance in dusty or high-vibration conditions.

In mining equipment, 3877 Single Cones are valued for their ability to withstand extreme loads and harsh environments. The standard radial clearance options allow for flexibility in different operational settings.

Built for Heavy-Duty Use: 3877 Single Cones
3877 Single Cones excel in forestry equipment, where their tapered rollers manage uneven loads and shocks. The ABEC-1 rating ensures reliable precision for most industrial applications.

Their temperature range of -30° to 110°C makes them suitable for both hot and cold environments. This versatility is why they’re trusted in sectors like oil and gas.

Automotive vs Aerospace: Applications of 3877 Single Cones
In automotive systems, 3877 Single Cones are ideal for wheel bearings and transmissions, balancing speed and load capacity. Their inch measurements simplify integration into existing designs.

While not typically used in aerospace, 3877 Single Cones are a staple in ground support equipment. Their durability and ease of maintenance make them a go-to for heavy-duty ground operations.

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