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TS (Single Row Tapered Roller Bearings) (Imperial) 6277-6220

TS (Single Row Tapered Roller Bearings) (Imperial) 6277-6220

The 6277-6220 is a single-row tapered roller bearing with a 1.75″ bore and 5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 68800 lbf radially and 9110 lbf in thrust, making it versatile for various applications.

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

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 7.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 6277-6220
  • Brand TFL
  • Interchangeable Timken
  • Size 1.75" x 5" x 2"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 2.0625"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 2"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.36"
  • Cone Backface Backing Diameter 2.64"
  • Cup Frontface Backing Diameter 4.65"
  • Cup Backface Backing Diameter 4.25"
  • Cage Cone Frontface Clearance 0.14"
  • Cage Cone Backface Clearance 0.07"
  • Effective Center Location -0.77"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 6277
  • Cup Part Number 6220
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 6200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 68800 lbf
  • Static Radial Load 83300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 17800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 9110 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 7.9 lb

Features

Performance Features of 6277-6220 Bearing

6277-6220 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 68,800 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

How Is 6277-6220 Bearing Engineered for Reliability?

6277-6220 Bearing features precise cone and cup dimensions, ensuring smooth operation under combined loads.
The tapered roller design distributes loads evenly, enhancing durability and reducing wear.
Its standard radial clearance allows for flexibility in different applications.
The chrome steel construction provides excellent resistance to wear and fatigue.

Built for Durability: 6277-6220 Bearing

6277-6220 Bearing’s single-row construction simplifies installation while maintaining high load capacity.
The open seal design allows for easy lubrication, ensuring consistent performance.
With a static radial load rating of 83,300 lbf, it handles demanding conditions reliably.
Its ABEC-1 rating ensures consistent precision in various industrial applications.

Steel vs Ceramic Bearings: Strengths of 6277-6220 Bearing

6277-6220 Bearing uses chrome steel for both rollers and rings, balancing cost and performance.
This material choice provides excellent strength and wear resistance in industrial settings.
The bearing’s dynamic thrust rating of 9,110 lbf ensures reliable operation under axial loads.
Its standard lubrication requirement makes maintenance straightforward and cost-effective.

Application

Industrial Uses of 6277-6220 Bearing
The 6277-6220 Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 6277-6220 Bearing Used?
You’ll often find the 6277-6220 Bearing in automotive applications like truck wheel hubs, where its robust design supports both radial and thrust loads. The inch sizing makes it a popular choice for North American vehicles.

Built for Heavy-Duty Use: 6277-6220 Bearing
This bearing excels in industrial gearboxes, thanks to its high dynamic radial load capacity. The steel cage adds stability, making it reliable for continuous operation.

Automotive vs Aerospace: Applications of 6277-6220 Bearing
In automotive systems, the 6277-6220 Bearing is ideal for axles and transmissions, while its precision also suits aerospace landing gear components. The ABEC-1 rating ensures consistent performance.

Perfect Fit for Automation: 6277-6220 Bearing
The 6277-6220 Bearing works well in automated conveyor systems, where its tapered rollers reduce friction. Its standard radial clearance allows for smooth operation in varied temperatures.

Q&A

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