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TS (Single Row Tapered Roller Bearings) (Imperial) 3777-3733

TS (Single Row Tapered Roller Bearings) (Imperial) 3777-3733

The 3777-3733 is a single-row tapered roller bearing with a 1.8125″ bore and 3.9385″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27500 lbf radially and 4120 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 2.5 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

The standard radial clearance and ABEC-1 rating make it a practical choice for general-purpose applications. Its tapered roller design ensures even load distribution for long-lasting performance.

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Product Parameters

  • Part Number 3777-3733
  • Brand TFL
  • Interchangeable Timken
  • Size 1.8125" x 3.9385" x 1.1876"
  • Bore Dia 1.8125"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.9385"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.193"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.9375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.1876"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.14"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 2.09"
  • Cone Backface Backing Diameter 2.36"
  • Cup Frontface Backing Diameter 3.62"
  • Cup Backface Backing Diameter 3.43"
  • Cage Cone Frontface Clearance 0.06"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.32"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3777
  • Cup Part Number 3733
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3700
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 27500 lbf
  • Static Radial Load 34300 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 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 2.5 lb

Features

How Is 3777-3733 Bearing Engineered for Reliability?

3777-3733 Bearing features chrome steel rings and rollers, providing strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, ensuring dependable performance in tough conditions.
The steel cage maintains proper roller alignment, reducing friction and wear.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

What Makes 3777-3733 Bearing Suitable for High-Temperature Applications?

3777-3733 Bearing operates efficiently in temperatures from -30° to 110°C, making it versatile for different settings.
The chrome steel construction ensures durability and resistance to thermal expansion.
Its standard radial clearance allows for smooth operation even under thermal stress.
The open design facilitates proper lubrication, enhancing performance in high-temperature conditions.

Built for Durability: 3777-3733 Bearing

3777-3733 Bearing is crafted with high-quality chrome steel for long-lasting performance.
The tapered roller design distributes loads evenly, reducing stress on individual components.
Its dynamic thrust rating of 4,120 lbf ensures reliable operation under heavy loads.
The steel cage provides stability, keeping rollers in place for consistent performance.

Application

Industrial Uses of 3777-3733 Bearing
The 3777-3733 Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.
In automotive applications, 3777-3733 Bearing fits well in wheel hubs and differential systems, providing reliable performance under varying loads. The imperial sizing makes it a straightforward replacement for many North American vehicle models.
For industrial conveyor systems, 3777-3733 Bearing’s open design simplifies lubrication and maintenance, reducing downtime. The standard radial clearance offers flexibility for different operational needs.

What Makes 3777-3733 Bearing a Preferred Choice?
3777-3733 Bearing works smoothly in gearboxes, where its tapered rollers manage both radial and thrust loads effectively. The steel cage adds strength, making it suitable for high-stress conditions.
In mining equipment, 3777-3733 Bearing’s robust design withstands harsh conditions, ensuring long service life. Its compatibility with Timken models also makes it a cost-effective option for replacements.

Built for Heavy-Duty Use: 3777-3733 Bearing
3777-3733 Bearing excels in applications like forklifts and cranes, where its dynamic load capacity keeps operations running smoothly. The inch measurements align with many industrial standards.
For power transmission systems, 3777-3733 Bearing’s ABEC-1 rating balances precision and affordability. Its temperature range suits both indoor and outdoor machinery.

Automotive vs Industrial: Applications of 3777-3733 Bearing
In trucks, 3777-3733 Bearing supports axles and transmissions, handling heavy loads with ease. The chrome steel rollers resist wear, extending component life.
For factory machinery, 3777-3733 Bearing’s single-row design simplifies installation while maintaining performance. Its static load capacity ensures stability during peak operations.

Q&A

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