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TS (Single Row Tapered Roller Bearings) (Imperial) 3877-3822RB

TS (Single Row Tapered Roller Bearings) (Imperial) 3877-3822RB

The 3877-3822RB is a single-row tapered roller bearing with a 1.625″ bore and 3.4688″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27900 lbf radially and 4980 lbf thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. 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 machinery like gearboxes or axles where combined loads are common.

Weighing 1.900 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number 3877-3822RB
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.4688" x 1.1876"
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.4688"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1875"
  • 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 0.130"
  • Cone Frontface Backing Diameter 1.98"
  • Cone Backface Backing Diameter 2.24"
  • Cup Frontface Backing Diameter 3.27"
  • Cup Backface Backing Diameter 2.91"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3877
  • Cup Part Number 3822RB
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3800
  • Ring Material Chrome Steel
  • Roller 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 Thrust Rating(90 Million Revolutions)(Ca90) 4980 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 1.900 lb

Features

Why Choose 3877-3822RB Bearing for Precision Tasks?

3877-3822RB Bearing features a single row tapered roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 27,900 lbf.

The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

3877-3822RB Bearing’s standard radial clearance and ABEC-1 rating make it suitable for general applications.
Its open design simplifies lubrication, ensuring smooth performance over time.

Application

Common Applications of 3877-3822RB Bearing
3877-3822RB Bearing works well in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in tough conditions.

In automotive applications, 3877-3822RB Bearing is often used in wheel hubs and differentials, providing reliable performance under varying loads. Its imperial sizing makes it a good fit for older or custom vehicle designs.

For industrial gearboxes, 3877-3822RB Bearing offers smooth operation thanks to its precise tolerances. The open design allows for easy lubrication, extending its service life in high-demand settings.

Where Is 3877-3822RB Bearing Used?
You’ll find 3877-3822RB Bearing in agricultural machinery, particularly in tractors and harvesters where robust performance is needed. Its steel cage provides added strength for heavy loads.

In mining equipment, 3877-3822RB Bearing handles the harsh conditions of crushers and conveyors. The tapered rollers distribute stress evenly, reducing wear over time.

Built for Heavy-Duty Use: 3877-3822RB Bearing
3877-3822RB Bearing excels in forestry equipment like log splitters, where impact resistance is key. The standard radial clearance ensures consistent performance under load.

For railway applications, 3877-3822RB Bearing supports axle boxes, offering stability at high speeds. Its ABEC-1 rating provides a balance of precision and affordability.

Automotive vs Aerospace: Applications of 3877-3822RB Bearing
In automotive systems, 3877-3822RB Bearing is common in drivetrains, while its aerospace use is limited due to weight constraints. The inch measurements suit older industrial designs well.

For general machinery, 3877-3822RB Bearing fits pumps and compressors, where its tapered rollers manage radial and thrust loads. The chrome steel components resist corrosion in humid environments.

Q&A

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