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TS (Single Row Tapered Roller Bearings) (Imperial) 3477-3420

TS (Single Row Tapered Roller Bearings) (Imperial) 3477-3420

The 3477-3420 is a single-row tapered roller bearing with a 1.3125″ bore and 3.125″ outer diameter, crafted from robust chrome steel. It manages combined loads up to 23500 lbf radially and 3820 lbf thrust, suitable for demanding applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures from -30°C to 110°C, making it versatile for various environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for heavy machinery or automotive uses where combined loads are common.

Weighing 1.6 lb, it balances strength and practicality. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Product Parameters

  • Part Number 3477-3420
  • Brand TFL
  • Interchangeable Timken
  • Size 1.3125" x 3.125" x 1.1563"
  • Bore Dia 1.3125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1721"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1563"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 1.67"
  • Cone Backface Backing Diameter 1.93"
  • Cup Frontface Backing Diameter 2.94"
  • Cup Backface Backing Diameter 2.64"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.34"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3477
  • Cup Part Number 3420
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3400
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 23500 lbf
  • Static Radial Load 26800 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 6100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3820 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 1.6 lb

Features

Performance Features of 3477-3420 Bearing

3477-3420 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 23,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing wear and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3477-3420 Bearing Engineered for Reliability?

3477-3420 Bearing features a single-row tapered roller design, ideal for handling combined radial and thrust loads.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its dynamic thrust rating of 3,820 lbf makes it suitable for heavy-duty applications.
The bearing requires lubrication, but its robust design minimises maintenance needs.

Built for Durability: 3477-3420 Bearing

3477-3420 Bearing’s chrome steel rollers and rings provide excellent wear resistance, even under high loads.
The tapered roller design distributes loads evenly, reducing stress on individual components.
With a static radial load capacity of 26,800 lbf, it ensures long-term reliability.
The open seal type allows for easy lubrication, further enhancing its lifespan.

Steel vs Ceramic Bearings: Strengths of 3477-3420 Bearing

3477-3420 Bearing uses chrome steel for both rollers and rings, offering a balance of strength and cost-effectiveness.
Its dynamic radial rating of 6,100 lbf (C90) ensures consistent performance over time.
The steel cage provides stability, keeping rollers aligned during operation.
This design is particularly effective for applications requiring combined load handling.

Application

Industrial Uses of 3477-3420 Bearing
The 3477-3420 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, 3477-3420 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, 3477-3420 Bearing’s open design allows for easy lubrication, extending service life in high-use scenarios. The steel cage adds stability during continuous operation.

What Makes 3477-3420 Bearing a Preferred Choice?
3477-3420 Bearing is often chosen for mining equipment due to its ability to withstand heavy radial and thrust loads. The standard radial clearance offers flexibility in different operating conditions.

In manufacturing plants, 3477-3420 Bearing supports machinery like presses and gearboxes, where precision and reliability are key. Its ABEC-1 rating ensures consistent performance for general industrial use.

Built for Heavy-Duty Use: 3477-3420 Bearing
3477-3420 Bearing excels in forestry machinery, handling rough terrain and shock loads with ease. The tapered rollers distribute stress evenly, reducing wear over time.

For railway applications, 3477-3420 Bearing provides stability in axle boxes, ensuring smooth operation under dynamic loads. Its temperature range suits both cold and moderate climates.

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