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TS (Single Row Tapered Roller Bearings) (Metric) JL69349-JL69310P
TS (Single Row Tapered Roller Bearings) (Metric) JL69349-JL69310P

TS (Single Row Tapered Roller Bearings) (Metric) JL69349-JL69310P

The 15578-15520-B is a single row tapered roller bearing with a 1″ bore and 2.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12300 lbf radially and 1880 lbf thrust, making it versatile for various applications.

Its flanged cup design ensures secure positioning, while the open seal allows for easy lubrication. The steel cage enhances durability, and it operates smoothly in temperatures from -30°C to 110°C.

This bearing is interchangeable with Timken models, offering a reliable replacement option. Ideal for machinery requiring combined load support, such as automotive or industrial equipment.

Weighing just 0.8 lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for your needs.

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Product Parameters

  • Part Number JL69349-JL69310P
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Metric
  • Type Bearing
  • Sizes 38 mm x 63 mm x 17 mm
  • Cone Part Number JL69349
  • Cup Part Number JL69310P
  • Bore Dia 38 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 63 mm
  • Outer Dia Tolerance -0.016mm to 0
  • Cone Width 17 mm
  • Cone Width Tolerance -0.1mm to 0
  • Cup Width 13.5 mm
  • Cup Width Tolerance -0.15mm to 0
  • Width 17 mm
  • Width Tolerance +0.2mm to 0
  • Cone Backface ToClear Radius 0 mm
  • Cup Backface ToClear Radius 1.27 mm
  • Cone Frontface Backing Diameter 42.5 mm
  • Cone Backface Backing Diameter 46.5 mm
  • Cup Frontface Backing Diameter 60.96 mm
  • Cup Backface Backing Diameter 55.88 mm
  • Cage Cone Frontface Clearance 1.8 mm
  • Cage Cone Backface Clearance 0 mm
  • Effective Center Location -2.3 mm
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series L69300
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 11475 lbf
  • Static Radial Load 12375 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 2970 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 2117.25 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 0.44 lb

Features

Performance Features of 15578-15520-B Bearing

15578-15520-B Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,300 lbf, ensuring reliable performance in various applications.
The flanged cup design provides better alignment and stability during operation.
With a standard radial clearance, it adapts well to different working conditions.

How Is 15578-15520-B Bearing Engineered for Reliability?

15578-15520-B Bearing features a single-row tapered roller design, optimised for handling both radial and thrust loads.
The steel cage maintains proper roller alignment, reducing friction and wear.
Its ABEC-1 rating ensures consistent precision for general industrial use.
The bearing operates efficiently within a temperature range of -30° to 110°C.

Designed for Durability: 15578-15520-B Bearing

15578-15520-B Bearing’s chrome steel construction provides excellent wear resistance for long service life.
The flanged outer ring simplifies installation and improves positional accuracy.
With dynamic thrust rating of 1,880 lbf, it performs well under demanding conditions.
Regular lubrication helps maintain its performance and extends operational life.

Steel vs Ceramic Bearings: Strengths of 15578-15520-B Bearing

15578-15520-B Bearing uses chrome steel components for reliable performance in industrial applications.
The tapered roller design distributes loads evenly across the bearing surfaces.
Its standard radial clearance allows for thermal expansion during operation.
Weighing just 0.8 lb, it offers a good balance between strength and weight.

Application

Industrial Uses of 15578-15520-B Bearing
15578-15520-B Bearing is commonly used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. The flanged cup adds stability, making it ideal for applications requiring precise alignment.

In automotive systems, 15578-15520-B Bearing fits well in wheel hubs and differentials, thanks to its inch sizing and compatibility with Timken designs. Its chrome steel construction ensures durability even under high stress and frequent use.

For industrial conveyor systems, 15578-15520-B Bearing’s open design allows for easy lubrication, extending service life in dusty or high-load environments. The standard radial clearance offers flexibility for various operational conditions.

Where Is 15578-15520-B Bearing Used?
You’ll often find 15578-15520-B Bearing in forklifts and material handling equipment, where its robust design supports heavy axial and radial loads. The steel cage provides added strength, ensuring reliable performance over time.

In mining machinery, 15578-15520-B Bearing’s tapered rollers distribute loads evenly, reducing wear and tear. Its ABEC-1 rating makes it suitable for applications where moderate precision is sufficient.

Built for Heavy-Duty Use: 15578-15520-B Bearing
15578-15520-B Bearing excels in forestry equipment, where its flanged cup prevents misalignment during rough operation. The chrome steel rollers resist deformation, even under intense pressure.

For railway applications, 15578-15520-B Bearing’s inch measurements and Timken interchangeability simplify maintenance. Its temperature range of -30° to 110°C ensures performance in varying climates.

Automotive vs Aerospace: Applications of 15578-15520-B Bearing
In automotive settings, 15578-15520-B Bearing is a go-to for drivetrain components, offering reliable load handling. Its inch sizing aligns with North American manufacturing standards.

For aerospace ground support equipment, 15578-15520-B Bearing’s steel cage and chrome steel rollers provide the necessary durability. The open design allows for custom lubrication to suit specific operational needs.

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