+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) L521949-L521910

TS (Single Row Tapered Roller Bearings) (Imperial) L521949-L521910

The L521949-L521910 is a single-row tapered roller bearing with a 4.25″ bore and 5.75″ outer diameter, made from sturdy chrome steel. It handles combined loads up to 20000 lbf radially and 3480 lbf thrust, suitable for demanding 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, making it versatile for various conditions.

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

Weighing 2.2 lb, 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 L521949-L521910
  • Brand TFL
  • Interchangeable Timken
  • Size 4.25" x 5.75" x 0.8438"
  • Bore Dia 4.25"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 5.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.8438"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6563"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.8438"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 5.31"
  • Cone Backface Backing Diameter 4.57"
  • Cup Frontface Backing Diameter 5.57"
  • Cup Backface Backing Diameter 5.35"
  • Cage Cone Frontface Clearance 0.1"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location 0.19"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number L521949
  • Cup Part Number L521910
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series L521900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 20000 lbf
  • Static Radial Load 39400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5180 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3480 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 2.2 lb

Features

Performance Features of L521949-L521910 Bearing

L521949-L521910 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 20,000 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is L521949-L521910 Bearing Engineered for Reliability?

L521949-L521910 Bearing features precise cone and cup dimensions, ensuring smooth operation under heavy loads.
The tapered roller design distributes loads evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different applications.
The bearing requires lubrication, which helps maintain performance over time.

Built for Durability: L521949-L521910 Bearing

L521949-L521910 Bearing’s chrome steel construction provides excellent resistance to wear and fatigue.
The single-row design simplifies installation while maintaining high load capacity.
With a static radial load of 39,400 lbf, it handles demanding industrial applications.
The open seal type allows for easy maintenance and lubrication.

Steel vs Ceramic Bearings: Strengths of L521949-L521910 Bearing

L521949-L521910 Bearing uses chrome steel for both rollers and rings, ensuring strength and longevity.
Its dynamic thrust rating of 3,480 lbf makes it suitable for combined load scenarios.
The steel cage offers reliable performance without the brittleness of ceramic alternatives.
This bearing is RoHS and REACH compliant, meeting environmental standards.

Application

Industrial Uses of L521949-L521910 Bearing
L521949-L521910 Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, L521949-L521910 Bearing fits well in truck wheel hubs, providing reliable performance under radial and thrust loads. Its inch sizing makes it compatible with many North American vehicle models.

For industrial conveyor systems, L521949-L521910 Bearing’s open design allows for easy lubrication, extending service life. The steel cage adds strength, making it suitable for high-load scenarios.

Where Is L521949-L521910 Bearing Used?
L521949-L521910 Bearing is often found in agricultural machinery, supporting components like gearboxes and PTO shafts. Its robust design handles the rough conditions typical in farming.

In mining equipment, L521949-L521910 Bearing’s ability to manage heavy radial loads makes it ideal for crushers and screens. The standard radial clearance ensures smooth operation even under stress.

Built for Heavy-Duty Use: L521949-L521910 Bearing
L521949-L521910 Bearing excels in forestry equipment, where its tapered rollers manage uneven loads from logging machinery. The chrome steel rollers resist wear over time.

For railway applications, L521949-L521910 Bearing supports axle boxes, ensuring stable performance at high speeds. Its ABEC-1 rating provides a balance of precision and affordability.

Automotive vs Aerospace: Applications of L521949-L521910 Bearing
In automotive settings, L521949-L521910 Bearing is trusted for differential systems, where its combined load capacity is crucial. The inch measurements simplify replacements.

For aerospace ground equipment, L521949-L521910 Bearing’s temperature range suits tarmac machinery. However, it’s not typically used in-flight due to weight considerations.

Q&A

SEND INQUIRY