+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 3977-3927X

TS (Single Row Tapered Roller Bearings) (Imperial) 3977-3927X

The 3977-3927X is a single-row tapered roller bearing with a 2.36″ bore and 4.33″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 31200 lbf radially and 5570 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 heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 2.7lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 3977-3927X
  • Brand TFL
  • Interchangeable Timken
  • Size 2.3622" x 4.3307" x 1.1876"
  • Bore Dia 2.3622"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.3307"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.183"
  • 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 2.68"
  • Cone Backface Backing Diameter 2.91"
  • Cup Frontface Backing Diameter 4.15"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.18"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3977
  • Cup Part Number 3927X
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 31200 lbf
  • Static Radial Load 43000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8090 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5570 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 2.700 lb

Features

Performance Features of 3977-3927X Bearing

3977-3927X Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains proper roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 3977-3927X Bearing Engineered for Reliability?

3977-3927X Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction provides durability, while the standard radial clearance ensures smooth operation.
Its effective centre location of -0.18″ enhances stability under heavy loads.
This bearing is interchangeable with Timken models, offering flexibility in replacement options.

Built for Durability: 3977-3927X Bearing

3977-3927X Bearing’s chrome steel rollers and rings resist wear, even under high-stress conditions.
The steel cage design minimises roller slippage, maintaining consistent performance over time.
With a static radial load capacity of 43,000 lbf, it handles demanding applications with ease.
Its ABEC-1 rating ensures reliable precision for industrial use.

Application

Common Applications of 3977-3927X Bearing
In industrial settings, 3977-3927X Bearing is widely used in heavy machinery like conveyor systems and gearboxes, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

Where Is 3977-3927X Bearing Used?
You’ll often find 3977-3927X Bearing in automotive applications, particularly in wheel hubs and transmissions, where its robust design supports both radial and thrust loads. The inch sizing makes it a fit for many North American vehicle models.

Built for Heavy-Duty Use: 3977-3927X Bearing
This bearing excels in construction equipment, such as excavators and cranes, thanks to its high dynamic load capacity. The steel cage adds extra strength, making it reliable for long-term use.

Automotive vs Aerospace: Applications of 3977-3927X Bearing
In automotive systems, 3977-3927X Bearing handles high loads in drivetrains, while in aerospace, it’s suited for auxiliary equipment due to its precision and temperature resilience. The open design allows for easy lubrication.

Perfect Fit for Automation: 3977-3927X Bearing
For automated machinery, 3977-3927X Bearing offers smooth operation in robotic arms and assembly lines. Its standard radial clearance ensures consistent performance without frequent adjustments.

Q&A

SEND INQUIRY