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TS (Single Row Tapered Roller Bearings) (Imperial) 21075A-21212

TS (Single Row Tapered Roller Bearings) (Imperial) 21075A-21212

The 21075A-21212 is a single-row tapered roller bearing with a 0.75″ bore and 2.125″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 12400 lbf and is designed for smooth operation in various conditions.

Its open design allows easy lubrication, while the steel cage ensures durability. The bearing works well in temperatures from -30°C to 110°C, making it versatile for different environments.

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

Weighing just 0.5lb, it’s lightweight yet robust. Compliant with RoHS and REACH standards, it’s a safe choice for various uses. The ABEC-1 rating ensures consistent performance for general applications.

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Product Parameters

  • Part Number 21075A-21212
  • Brand TFL
  • Interchangeable Timken
  • Size 0.75" x 2.125" x 0.875"
  • Bore Dia 0.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 2.125"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 0.8598"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.625"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 0.875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.06"
  • Cup Backface ToClear Radius 0.090"
  • Cone Frontface Backing Diameter 1.03"
  • Cone Backface Backing Diameter 1.24"
  • Cup Frontface Backing Diameter 2.01"
  • Cup Backface Backing Diameter 1.69"
  • Cage Cone Frontface Clearance 0.09"
  • Cage Cone Backface Clearance 0.1"
  • Effective Center Location -0.23"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 21075A
  • Cup Part Number 21212
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 21000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 12400 lbf
  • Static Radial Load 9560 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 3210 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3250 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 0.5 lb

Features

Why Choose 21075A-21212 Bearing for Precision Tasks?

21075A-21212 Bearing is crafted with chrome steel rings and rollers, ensuring durability and precision in combined load applications.
Its dynamic radial load capacity reaches 12,400 lbf, making it suitable for demanding industrial uses.

The tapered roller design of 21075A-21212 Bearing provides effective load distribution, enhancing performance and longevity.
With a standard radial clearance, it offers reliable operation across various conditions.

21075A-21212 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility in different environments.
Its steel cage maintains roller alignment, reducing friction and wear over time.

The open design of 21075A-21212 Bearing simplifies lubrication, keeping maintenance straightforward and cost-effective.
Compliant with RoHS and REACH standards, it meets stringent environmental and safety requirements.

Application

Industrial Uses of 21075A-21212 Bearing
21075A-21212 Bearing is commonly used in heavy machinery, such as construction equipment and agricultural tools, where its tapered roller design handles combined loads effectively. The chrome steel construction ensures durability even in demanding environments.

In automotive applications, 21075A-21212 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. Its imperial sizing makes it a convenient choice for vehicles manufactured in the US and other inch-based markets.

For industrial conveyor systems, 21075A-21212 Bearing offers smooth operation and easy maintenance due to its open design. The standard radial clearance allows for flexibility in different operational conditions.

What Makes 21075A-21212 Bearing a Preferred Choice?
21075A-21212 Bearing stands out in applications like gearboxes and power transmission systems, where its single-row tapered rollers manage both radial and thrust loads efficiently. The steel cage adds robustness, making it suitable for high-stress scenarios.

In mining equipment, 21075A-21212 Bearing’s ability to withstand heavy loads and harsh conditions makes it a reliable component. The ABEC-1 rating ensures consistent performance without unnecessary precision overhead.

Built for Heavy-Duty Use: 21075A-21212 Bearing
21075A-21212 Bearing excels in forestry machinery, where its tapered rollers handle uneven loads and shocks with ease. The chrome steel rollers and rings provide long service life even in abrasive environments.

For railway applications, 21075A-21212 Bearing’s durability and load capacity make it ideal for axle boxes and other critical components. The inch measurements simplify replacements in older rolling stock.

Automotive vs Aerospace: Applications of 21075A-21212 Bearing
In automotive systems, 21075A-21212 Bearing is often found in drivetrains, where its combined load capacity supports smooth power delivery. The open design allows for easy lubrication and maintenance.

While not typically used in aerospace, 21075A-21212 Bearing’s robustness makes it suitable for ground support equipment and other auxiliary machinery. The temperature range ensures reliability in varying climates.

Q&A

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