+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
66587-66522D TDO (Two-Row Double-Outer Race) (Imperial)

66587-66522D TDO (Two-Row Double-Outer Race) (Imperial)

The 66587-66522D is a two-row tapered roller bearing with a 2.25″ bore and 5.1174″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 60,500 lbf and is designed for long-lasting performance in demanding conditions.

Its double-row construction provides extra stability, while the open design allows for easy lubrication. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is part of the 66500 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like industrial gearboxes or large machinery where both radial and thrust loads are present.

Weighing 8.82 lb, it’s a robust choice for high-load scenarios. Compliant with RoHS and REACH standards, ensuring safe and reliable use.

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

Product Parameters

  • Part Number 66587-66522D
  • Brand TFL
  • Size 2.25" x 5.1174" x 1.25"
  • Bore Dia 2.25"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5.1174"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.25"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.7499"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 3.03"
  • Cup Frontface Backing Diameter 4.67"
  • Cage Cone Backface Clearance 0.18"
  • Dynamic Radial Load 60500 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 66587
  • Cup Part Number 66522D
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 66500
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 9010 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 10300 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 15700 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 8.82 lb

Features

Performance Features of 66587-66522D Bearing

66587-66522D Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 60,500 lbf, ensuring dependable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in varied conditions.

How Does 66587-66522D Bearing Resist Wear?

66587-66522D Bearing’s chrome steel construction provides excellent wear resistance, even under high stress.
The tapered roller design distributes loads evenly, minimising surface fatigue.
Its standard radial clearance options allow for optimal performance in different applications.
This design ensures long service life with proper lubrication.

Built for Reliability: 66587-66522D Bearing

66587-66522D Bearing features a double-row design that handles both radial and thrust loads efficiently.
The precision-engineered tapered rollers reduce friction while maintaining stability.
With ABEC-1 rating, it offers consistent performance for industrial applications.
Its open design simplifies inspection and relubrication when required.

Steel vs Ceramic Bearings: Strengths of 66587-66522D Bearing

66587-66522D Bearing uses chrome steel for both rings and rollers, providing excellent strength-to-weight ratio.
This material choice makes it more cost-effective than ceramic alternatives for many industrial uses.
The bearing’s standard lubrication requirements make maintenance straightforward.
Its 90 million revolutions dynamic rating demonstrates long-term reliability.

Application

Industrial Uses of 66587-66522D Bearing
66587-66522D Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined loads effectively. The chrome steel construction ensures durability in tough working conditions.

Where Is 66587-66522D Bearing Used?
You’ll often find 66587-66522D Bearing in automotive applications like truck wheel hubs, where its tapered roller design manages both radial and thrust loads smoothly. The inch sizing makes it a good fit for North American vehicle standards.

Built for Heavy-Duty Use: 66587-66522D Bearing
66587-66522D Bearing works well in industrial gearboxes, providing reliable performance under high stress. Its open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 66587-66522D Bearing
In automotive systems, 66587-66522D Bearing supports heavy loads in axles and differentials. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Key Fields for 66587-66522D Bearing
66587-66522D Bearing is ideal for agricultural machinery, where its robust design handles dirt and debris. The standard radial clearance ensures consistent performance in varying conditions.

Q&A

SEND INQUIRY