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TS (Single Row Tapered Roller Bearings) (Imperial) 3775-3720

TS (Single Row Tapered Roller Bearings) (Imperial) 3775-3720

The 3775-3720 is a single-row tapered roller bearing with a 2-inch bore and 3.6718-inch outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 27500 lbf radially and 4120 lbf in thrust, suitable for demanding applications.

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

This model is interchangeable with Timken bearings, making it a practical choice for replacements. It’s ideal for heavy-duty machinery, such as gearboxes or industrial equipment, where combined loads are common.

Weighing 1.900 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s safe for various industrial uses.

The standard radial clearance and ABEC-1 rating ensure reliable performance. Its tapered roller design provides stability under heavy loads, making it a dependable option for long-term use.

Perfect for applications requiring precise alignment and high load capacity, such as automotive or construction machinery. The bearing’s design also allows for easy maintenance, extending its service life.

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Product Parameters

  • Part Number 3775-3720
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 3.6718" x 1.1875"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.6718"
  • 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 1.1875"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.03"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.28"
  • Cone Backface Backing Diameter 2.28"
  • Cup Frontface Backing Diameter 3.50"
  • Cup Backface Backing Diameter 3.23"
  • 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 3775
  • Cup Part Number 3720
  • 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 1.900 lb

Features

How Is 3775-3720 Bearing Engineered for Reliability?

3775-3720 Bearing features chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for demanding applications.

The tapered roller design distributes loads evenly, reducing stress and extending service life.
With a standard radial clearance, it offers reliable performance in various operating conditions.

3775-3720 Bearing operates within a temperature range of -30° to 110°C, adapting to different environments.
Its steel cage maintains roller alignment, ensuring smooth operation and reduced wear.

The open design simplifies lubrication, keeping maintenance straightforward and efficient.
Weighing just 1.900 lb, it balances strength and ease of handling.

Application

Industrial Uses of 3775-3720 Bearing
The 3775-3720 Bearing is a solid choice for heavy machinery, particularly in construction equipment where combined loads are common. Its tapered roller design handles both radial and thrust forces efficiently, making it reliable for long-term use.

Where Is 3775-3720 Bearing Used?
You’ll often find 3775-3720 Bearing in agricultural machinery, like tractors and harvesters, where its durability shines. The inch sizing ensures compatibility with older equipment, while the chrome steel construction resists wear.

Built for Heavy-Duty Use: 3775-3720 Bearing
In mining applications, 3775-3720 Bearing stands up to harsh conditions, thanks to its robust steel cage and tapered rollers. The open design allows for easy lubrication, extending its service life in dusty environments.

Automotive vs Aerospace: Applications of 3775-3720 Bearing
While 3775-3720 Bearing fits well in truck wheel hubs, it’s also used in smaller aircraft landing gear components. The ABEC-1 rating ensures adequate precision for these demanding applications.

Key Fields for 3775-3720 Bearing
Railway freight cars benefit from 3775-3720 Bearing’s ability to handle heavy loads and vibrations. The standard radial clearance option makes it versatile for various rail conditions.

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