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TS (Single Row Tapered Roller Bearings) (Imperial) 3975-3920

TS (Single Row Tapered Roller Bearings) (Imperial) 3975-3920

The 3975-3920 is a single-row tapered roller bearing with a 2″ bore and 4.4375″ outer diameter, crafted from sturdy chrome steel. It manages combined loads up to 31200 lbf radially and 5570 lbf thrust, making it versatile for various applications.

Its open design allows for easy 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, offering a reliable replacement option. It’s well-suited for heavy-duty machinery like gearboxes or industrial equipment where combined loads are common.

Weighing 3.3 lb, it balances strength and manageability. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

The standard radial clearance and ABEC-1 rating make it a practical choice for general industrial use. Its tapered roller design provides efficient load distribution, enhancing longevity in demanding conditions.

Ideal for maintenance or upgrades in existing systems, it’s a dependable component for engineers and technicians alike. The inch measurements cater to imperial system users, simplifying integration.

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Product Parameters

  • Part Number 3975-3920
  • Brand TFL
  • Interchangeable Timken
  • Size 2" x 4.4375" x 1.1875"
  • Bore Dia 2"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.4375"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.183"
  • 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 0.14"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 2.4"
  • Cone Backface Backing Diameter 2.68"
  • Cup Frontface Backing Diameter 4.18"
  • Cup Backface Backing Diameter 3.90"
  • Cage Cone Frontface Clearance 0.08"
  • Cage Cone Backface Clearance 0.06"
  • Effective Center Location -0.18"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 3975
  • Cup Part Number 3920
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 3900
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 31200 lbf
  • Static Radial Load 43000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 8090 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 5570 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 3.3 lb

Features

Performance Features of 3975-3920 Bearing

3975-3920 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 31,200 lbf, making it suitable for heavy-duty applications.

The tapered roller design ensures effective load distribution, enhancing durability and performance.
With a standard radial clearance, it provides reliable operation in various industrial settings.

3975-3920 Bearing operates within a temperature range of -30° to 110°C, ensuring versatility.
The steel cage maintains roller alignment, reducing friction and extending service life.

This bearing requires lubrication, but its robust construction minimises maintenance needs.
It is interchangeable with Timken bearings, offering flexibility in replacement options.

Application

Industrial Uses of 3975-3920 Bearing
The 3975-3920 Bearing is widely used in heavy machinery, such as construction equipment and agricultural gear, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability even in demanding environments.

Where Is 3975-3920 Bearing Used?
You’ll often find the 3975-3920 Bearing in automotive applications like truck wheel hubs, where its robust design supports high radial and thrust loads. The inch sizing makes it a go-to for North American vehicle models.

Built for Heavy-Duty Use: 3975-3920 Bearing
This bearing excels in industrial settings like conveyor systems, where its steel cage and open design simplify maintenance. The standard radial clearance offers flexibility for various operational conditions.

Automotive vs Aerospace: Applications of 3975-3920 Bearing
In automotive systems, the 3975-3920 Bearing handles wheel and transmission loads, while in aerospace, its precision suits auxiliary equipment. The ABEC-1 rating balances performance and cost for diverse needs.

Key Fields for 3975-3920 Bearing
The 3975-3920 Bearing is a reliable choice for mining equipment, where its dynamic load capacity ensures long service life. Its compatibility with Timken models adds to its versatility across industries.

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