+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
TS (Single Row Tapered Roller Bearings) (Imperial) 557-552

TS (Single Row Tapered Roller Bearings) (Imperial) 557-552

The 557-552 is a single-row tapered roller bearing with a 2.1654″ bore and 4.875″ outer diameter, crafted from durable chrome steel. It handles combined loads up to 42900 lbf radially and 6590 lbf thrust, making it robust for heavy-duty use.

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

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for applications like industrial gearboxes or heavy machinery where combined loads are common.

Weighing 5 lb, it’s sturdy yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable choice.

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

Product Parameters

  • Part Number 557-552
  • Brand TFL
  • Interchangeable Timken
  • Size 2.1654" x 4.875" x 1.5"
  • Bore Dia 2.1654"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.6"
  • Cone Backface Backing Diameter 2.83"
  • 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 557
  • 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 42900 lbf
  • Static Radial Load 55700 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 11100 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 6590 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 5 lb

Features

Performance Features of 557-552 Bearing

557-552 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 42,900 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 557-552 Bearing Engineered for Reliability?

557-552 Bearing features a single-row tapered roller design, ideal for handling both radial and thrust loads.
The chrome steel construction provides durability and resistance to wear under heavy loads.
Its standard radial clearance allows for smooth operation in diverse applications.
The bearing requires lubrication to maintain optimal performance over time.

Built for Durability: 557-552 Bearing

557-552 Bearing’s robust design includes precise cone and cup dimensions for consistent performance.
The effective center location of -0.37″ ensures stability and load distribution.
With a static radial load capacity of 55,700 lbf, it handles demanding industrial tasks.
The open seal type simplifies maintenance and inspection procedures.

Steel vs Ceramic Bearings: Strengths of 557-552 Bearing

557-552 Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
The steel cage offers reliable support, maintaining roller alignment during operation.
Its ABEC-1 rating ensures consistent precision for various industrial applications.
The bearing’s standard radial clearance makes it versatile for different mounting conditions.

Application

Industrial Uses of 557-552 Bearing
The 557-552 Bearing is commonly used in heavy machinery like construction equipment and mining rigs, where its tapered roller design handles combined radial and thrust loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 557-552 Bearing Used?
You’ll often spot the 557-552 Bearing in agricultural machinery, such as tractors and harvesters, where its robust design copes with uneven loads and harsh conditions. The inch sizing makes it a straightforward fit for North American equipment.

Built for Heavy-Duty Use: 557-552 Bearing
In industrial gearboxes, the 557-552 Bearing provides reliable performance, thanks to its steel cage and precise tolerances. It’s also a popular choice for conveyor systems that require consistent operation under heavy loads.

Automotive vs Aerospace: Applications of 557-552 Bearing
In automotive applications, the 557-552 Bearing supports wheel hubs and drivetrains, offering stability under varying speeds. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Perfect Fit for Automation: 557-552 Bearing
The 557-552 Bearing works well in automated assembly lines, where its single-row design simplifies installation and maintenance. Its standard radial clearance ensures smooth operation in repetitive motion systems.

Q&A

SEND INQUIRY