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33891 Single Cones (Imperial)
33891 Single Cones (Imperial)

33891 Single Cones (Imperial)

The 33891 single cone is a tapered roller bearing with a 2.0625-inch bore, designed for combined loads. Made from durable chrome steel, it handles dynamic radial loads up to 29200 lbf and operates smoothly in temperatures from -30°C to 110°C.

Its open design allows easy maintenance, while the steel cage ensures reliable performance. The bearing is interchangeable with Timken models, making it a practical choice for replacements.

With standard radial clearance and ABEC-1 rating, it offers consistent performance for industrial applications. Ideal for use in heavy machinery or automotive systems where combined loads are common.

Compliant with RoHS and REACH standards, it’s a safe and reliable option for various engineering needs. The cone width of 1.125 inches ensures a compact yet robust design.

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Product Parameters

  • Part Number 33891
  • Brand TFL
  • Interchangeable Brand Timken
  • System of Measurement Inch
  • Type Cones
  • Bearing Part Number 33891-33821 , 33891-33822
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Series 33800
  • Bore Dia 2.0625"
  • Bore Dia Tolerance +0.005" to 0
  • Cone Width 1.125"
  • Cone Width Tolerance +0.003" to -0.01
  • Cone Backface ToClear Radius 0.14"
  • Cone Frontface Backing Diameter 2.32"
  • Cone Backface Backing Diameter 2.6"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.3"
  • Ring Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 29200 lbf
  • Static Radial Load 36200 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7560 lbf
  • Dynamic Radial Rating(Two Row 1 Million Revolutions)(C1) 50800 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4270 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions)(C90) 13200 lbf
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant

Features

How Does 33891 Bearing Handle Combined Loads?

33891 Bearing is built with chrome steel rings and a steel cage, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 29,200 lbf, ensuring reliable performance in demanding conditions.
The tapered roller design provides smooth operation and reduces friction, extending the bearing’s service life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Why Choose 33891 Bearing for Heavy-Duty Applications?

33891 Bearing features a single-row tapered roller design, ideal for handling combined loads efficiently.
The chrome steel construction enhances durability, while the steel cage maintains roller alignment.
Its dynamic radial rating of 50,800 lbf for two-row configurations ensures robust performance.
The standard radial clearance options (C3/C4/C5) allow for flexibility in different applications.

Engineered for Reliability: 33891 Bearing

33891 Bearing’s precision design ensures smooth operation under heavy radial and thrust loads.
The chrome steel rings and steel cage provide excellent wear resistance and longevity.
With an effective center location of -0.3″, it offers stable performance in varied setups.
The bearing’s ABEC-1 rating confirms its consistent quality and precision.

Material Composition of 33891 Bearing

33891 Bearing uses high-quality chrome steel for its rings, ensuring strength and corrosion resistance.
The steel cage keeps the tapered rollers in place, reducing friction and wear.
This material combination enhances the bearing’s load capacity and operational lifespan.
It complies with RoHS and REACH standards, making it environmentally friendly.

Performance Features of 33891 Bearing

33891 Bearing excels in combined load applications with its tapered roller design.
The dynamic thrust rating of 4,270 lbf ensures reliable performance under pressure.
Its construction allows for smooth operation even at high speeds.
The bearing’s wide temperature range makes it suitable for diverse industrial uses.

Application

Industrial Uses of 33891 Single Cones
33891 Single Cones are commonly used in heavy machinery, such as construction equipment and agricultural gear, where combined loads are frequent. Their tapered roller design handles both radial and thrust forces efficiently.
In automotive applications, 33891 Single Cones work well in wheel hubs and differential systems, offering durability under varying loads. The inch sizing makes them a good fit for American and British vehicle models.

What Makes 33891 Single Cones a Preferred Choice?
The chrome steel construction of 33891 Single Cones ensures long-lasting performance in demanding environments like mining and forestry. Their open design allows for easy lubrication and maintenance.
For industrial conveyors, 33891 Single Cones provide reliable support, reducing downtime in high-load scenarios. The steel cage adds extra strength, making them suitable for continuous operation.

Built for Heavy-Duty Use: 33891 Single Cones
33891 Single Cones excel in applications like gearboxes and drivetrains, where their combined load capacity is essential. The standard radial clearance offers flexibility for different operational needs.
In rail and transportation systems, 33891 Single Cones withstand constant vibration and heavy loads. Their ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 33891 Single Cones
In automotive settings, 33891 Single Cones are ideal for axles and transmissions, balancing strength and precision. The inch measurements simplify replacements in older vehicle models.
For aerospace ground equipment, 33891 Single Cones handle heavy loads in tow tractors and cargo loaders. Their temperature range suits both indoor and outdoor use.

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