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TS (Single Row Tapered Roller Bearings) (Metric) JLM104946-JLM104910
TS (Single Row Tapered Roller Bearings) (Metric) JLM104946-JLM104910

TS (Single Row Tapered Roller Bearings) (Metric) JLM104946-JLM104910

The 2581-2523-B is a single-row tapered roller bearing with a flange, measuring 1.3125″ x 2.75″ x 0.9983″. Made from durable chrome steel, it handles combined loads up to 18800 lbf radially and 2280 lbf thrust.

Its flanged cup design keeps it securely in place, while the open seal allows for easy lubrication. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like truck axles or industrial gearboxes where combined loads are common.

Weighing just 0.7lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number JLM104946-JLM104910
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 50 mm x 82 mm x 21.5 mm
  • Cone Part Number JLM104946
  • Cup Part Number JLM104910
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 82 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Cone Width 23.993 mm
  • Cone Width Tolerance -0.1mm to 0
  • Cup Width 17 mm
  • Cup Width Tolerance -0.2mm to 0
  • Width 21.5 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 3.56 mm
  • Cup Backface ToClear Radius 0.51 mm
  • Cone Frontface Backing Diameter 55 mm
  • Cone Backface Backing Diameter 61 mm
  • Cup Frontface Backing Diameter 78.00 mm
  • Cup Backface Backing Diameter 75.95 mm
  • Cage Cone Frontface Clearance 0.3 mm
  • Cage Cone Backface Clearance 0.3 mm
  • Effective Center Location -5.3 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series LM104900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 21668 lbf
  • Static Radial Load 23400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 5625 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2925 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 0.88 lb

Features

How Does 2581-2523-B Bearing Handle Combined Loads?

2581-2523-B Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 18,800 lbf, ensuring reliable performance in demanding applications.
The steel cage maintains roller alignment, reducing friction and extending service life.
With a temperature range of -30° to 110°C, it performs well in various operating conditions.

Structural Advantages of 2581-2523-B Bearing

2581-2523-B Bearing features a flanged cup design, providing secure mounting and alignment.
The tapered roller construction distributes loads evenly, enhancing durability under stress.
Precision tolerances ensure smooth operation, with bore dia tolerance of +0.005″ to 0.
Its effective center location of -0.34″ optimises load distribution for better performance.

Why Choose 2581-2523-B Bearing for Heavy-Duty Applications?

2581-2523-B Bearing’s chrome steel rollers and rings withstand heavy loads, with a static radial load of 21,200 lbf.
The open seal type allows for easy lubrication, maintaining smooth operation over time.
Designed for combined loads, it excels in applications requiring both radial and thrust support.
Its ABEC-1 rating ensures consistent quality and reliability in industrial settings.

Application

Industrial Uses of 2581-2523-B Bearing
2581-2523-B Bearing is commonly used in heavy machinery like conveyor systems and agricultural equipment, where its tapered roller design handles combined loads effectively. The flanged cup ensures secure mounting, reducing misalignment risks in rugged environments.

What Makes 2581-2523-B Bearing a Preferred Choice?
In automotive applications, 2581-2523-B Bearing supports wheel hubs and differential systems, offering reliable performance under varying loads. Its chrome steel construction provides durability, making it suitable for long-term use in vehicles.

Built for Heavy-Duty Use: 2581-2523-B Bearing
2581-2523-B Bearing excels in construction equipment, such as bulldozers and cranes, where its dynamic load capacity ensures stability. The open seal design allows for easy lubrication, extending service life in demanding conditions.

Automotive vs Aerospace: Applications of 2581-2523-B Bearing
2581-2523-B Bearing is versatile enough for both automotive drivetrains and aerospace landing gear systems. Its inch sizing and compatibility with Timken models make it a practical choice across industries.

Perfect Fit for Automation: 2581-2523-B Bearing
2581-2523-B Bearing is ideal for robotic arms and automated assembly lines, where precision and load capacity are key. The steel cage enhances durability, ensuring smooth operation in high-cycle applications.

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