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TS (Single Row Tapered Roller Bearings) (Imperial) 558-552

TS (Single Row Tapered Roller Bearings) (Imperial) 558-552

The 558-552 is a single-row tapered roller bearing with a 2.375″ bore and 4.875″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 50800 lbf radially and 7810 lbf thrust, making it a robust choice for heavy-duty applications.

Its open design allows for easy lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C, suitable for various industrial environments.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for use in gearboxes, axles, or machinery where combined loads are common.

Weighing 4.7 lb, it’s built to last while maintaining a manageable size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice for your needs.

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Product Parameters

  • Part Number 558-552
  • Brand TFL
  • Interchangeable Timken
  • Size 2.375" x 4.875" x 1.5"
  • Bore Dia 2.375"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.875"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.444"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.3125"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.5"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.09"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.83"
  • Cone Backface Backing Diameter 2.99"
  • Cup Frontface Backing Diameter 4.60"
  • Cup Backface Backing Diameter 4.29"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.37"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 558
  • Cup Part Number 552
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 555
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 50800 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 13200 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 7810 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 4.7 lb

Features

Performance Features of 558-552 Bearing

558-552 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 50,800 lbf, ensuring reliable performance in heavy-duty 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.

558-552 Bearing requires lubrication, ensuring smooth operation and reduced wear over time.
Its standard radial clearance makes it versatile for different industrial needs.

Application

Common Applications of 558-552 Bearing
The 558-552 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its inch sizing makes it a go-to choice for North American industrial applications.

In automotive systems, 558-552 Bearing fits well in truck wheel hubs and differentials, offering reliable performance under high radial and thrust loads. The chrome steel construction ensures durability even in demanding driving conditions.

For conveyor systems, 558-552 Bearing’s open design simplifies lubrication and maintenance, reducing downtime in production lines. The standard radial clearance allows for smooth operation in varying temperature environments.

Where Is 558-552 Bearing Used?
You’ll often spot 558-552 Bearing in mining equipment, where its robust build withstands harsh conditions. The steel cage adds extra resilience against heavy impacts and vibrations.

In railway applications, 558-552 Bearing supports axle boxes, ensuring stable and safe train operations. Its ABEC-1 rating provides a good balance of precision and cost-effectiveness for these uses.

Q&A

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