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TS (Single Row Tapered Roller Bearings) (Imperial) 1280-1220

TS (Single Row Tapered Roller Bearings) (Imperial) 1280-1220

The 1280-1220 is a single-row tapered roller bearing with a 0.875″ bore and 2.25″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12400 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

This bearing is ideal for applications like vehicle axles or industrial gearboxes where combined loads are common. Its standard radial clearance and ABEC-1 rating ensure reliable performance.

Weighing just 0.600 lb, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards, it’s a safe and dependable option for various mechanical needs.

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Product Parameters

  • Part Number 1280-1220
  • Brand TFL
  • Interchangeable Timken
  • Size 0.875" x 2.25" x 0.875"
  • Bore Dia 0.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.25"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.6875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.06"
  • Cone Frontface Backing Diameter 1.14"
  • Cone Backface Backing Diameter 1.16"
  • Cup Frontface Backing Diameter 2.07"
  • Cup Backface Backing Diameter 1.93"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.01"
  • Effective Center Location -0.27"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 1280
  • Cup Part Number 1220
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 1200
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 12400 lbf
  • Static Radial Load 12400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3230 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 1910 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 0.600 lb

Features

Performance Features of 1280-1220 Bearing

1280-1220 Bearing is constructed with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 12,400 lbf, ensuring reliable performance in various applications.
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 diverse operating conditions.

Application

Common Applications of 1280-1220 Bearing
1280-1220 Bearing is widely used in industrial equipment like conveyor systems and gearboxes, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding environments.

In automotive applications, 1280-1220 Bearing supports axle assemblies and wheel hubs, providing reliable performance under heavy loads. Its inch sizing makes it compatible with many American-made vehicles.

For agricultural machinery, 1280-1220 Bearing’s open design allows easy lubrication, extending service life in dusty conditions. The steel cage adds strength, making it suitable for high-impact tasks.

Where Is 1280-1220 Bearing Used?
You’ll often find 1280-1220 Bearing in construction equipment, such as excavators and loaders, where its robust design handles rough terrain. The standard radial clearance offers flexibility for various operating conditions.

In manufacturing plants, 1280-1220 Bearing works well in pulley systems and driveshafts, thanks to its balanced load capacity. The ABEC-1 rating ensures consistent performance for general machinery needs.

Built for Heavy-Duty Use: 1280-1220 Bearing
1280-1220 Bearing excels in mining equipment, where its tapered rollers manage radial and thrust loads simultaneously. The temperature range of -30° to 110°C suits most outdoor applications.

For forestry machinery, 1280-1220 Bearing’s steel components resist wear from constant vibration. Its interchangeable design with Timken bearings simplifies maintenance and replacements.

Automotive vs Aerospace: Applications of 1280-1220 Bearing
In automotive settings, 1280-1220 Bearing handles wheel and transmission loads with ease. The dynamic radial rating of 12,400 lbf ensures longevity even under stress.

For lighter aerospace applications, 1280-1220 Bearing’s precision fits auxiliary systems requiring reliable rotation. The chrome steel rollers maintain performance without adding excessive weight.

Q&A

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