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

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

The 21075-21212 is a single-row tapered roller bearing with a 0.75″ bore and 2.125″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 12400 lbf radially and 3250 lbf in thrust, suitable for moderate-speed applications.

Its open design simplifies lubrication, while the steel cage ensures durability. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

Interchangeable with Timken models, it’s a practical choice for replacements. Ideal for machinery like gearboxes or wheel hubs where combined loads are common.

Weighing just 0.5lb, it’s compact yet robust. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 21075-21212
  • 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 21075
  • 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

Performance Features of 21075-21212 Bearing

21075-21212 Bearing is built 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.

21075-21212 Bearing’s tapered roller design provides smooth operation under heavy loads.
The standard radial clearance allows for flexibility in different installation scenarios.

Application

Industrial Uses of 21075-21212 Bearing
The 21075-21212 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability in rugged environments.

In automotive applications, 21075-21212 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for Timken equivalents.

For industrial conveyor systems, 21075-21212 Bearing’s open design simplifies lubrication and maintenance. The standard radial clearance offers flexibility for different operational needs.

Where Is 21075-21212 Bearing Used?
You’ll often find 21075-21212 Bearing in mining equipment, where its robust design withstands high radial and thrust loads. The steel cage adds extra resilience in dusty or high-vibration settings.

In manufacturing plants, 21075-21212 Bearing supports machinery like presses and gearboxes. Its ABEC-1 rating ensures consistent performance without over-engineering for general industrial use.

Built for Heavy-Duty Use: 21075-21212 Bearing
This bearing excels in forestry equipment, handling uneven loads and shocks with ease. The tapered rollers distribute stress evenly, extending service life.

Lubrication is straightforward, thanks to the open design, making 21075-21212 Bearing a practical choice for remote or hard-to-access installations. The temperature range suits most outdoor applications.

Automotive vs Aerospace: Applications of 21075-21212 Bearing
In automotive settings, 21075-21212 Bearing is ideal for drivetrain components, balancing cost and performance. Its inch sizing aligns with North American vehicle standards.

For aerospace ground support equipment, 21075-21212 Bearing offers reliable performance without the need for specialised materials. The weight-to-load ratio is optimised for terrestrial use.

What Makes 21075-21212 Bearing a Preferred Choice?
Farm machinery benefits from 21075-21212 Bearing’s ability to handle misalignment and heavy loads. The standard radial clearance accommodates slight shaft deflections common in agricultural use.

Steel cage construction keeps costs manageable while maintaining performance, making 21075-21212 Bearing a go-to for budget-conscious industrial projects. Maintenance intervals are predictable and straightforward.

Q&A

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