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NTN Tapered Roller Bearing Assembly: 3980/3920, 2 3/8 in Bore, 4 7/16 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 3980/3920, 2 3/8 in Bore, 4 7/16 in OD

The NTN Tapered Roller Bearing Assembly, model 3980/3920, is an inch-system bearing with a 2 3/8 in bore, 4 7/16 in OD, and 1.183 in cone width. It features a pressed steel cage and carbon steel rings, identified by…

SKU 3G-OTH-104703

Also listed as: 39803920 · 3980 3920 · 3980-3920

Brand
NTN
Item
Tapered Roller Bearing Assembly: 3980/3920, 2 3/8 in Bore, 4 7/16 in OD
Category
Tapered Roller Bearing Assemblies
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NTN
Manufacturer Part Number
3980/3920
Bore
2 3/8 in
OD
4 7/16 in
Cone Wd
1.183 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
3980/3920

Technical Documents

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Assembly, model 3980/3920, is an inch-system bearing with a 2 3/8 in bore, 4 7/16 in OD, and 1.183 in cone width. It features a pressed steel cage and carbon steel rings, identified by Bearing Industry Number 3980/3920.

Frequently Asked Questions

What is the NTN 3980/3920 tapered roller bearing used for?

The NTN 3980/3920 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its inch dimensions suit legacy equipment and North American applications. 3G Electric supplies this bearing worldwide for maintenance and production needs.

What are the specifications of the NTN 3980/3920 bearing?

The NTN 3980/3920 is an inch-system tapered roller bearing assembly with a 2 3/8 in bore, 4 7/16 in OD, and 1.183 in cone width. It has carbon steel rings and a pressed steel cage. The bearing industry number is 3980/3920.

Where to buy the NTN 3980/3920 bearing worldwide?

3G Electric supplies the NTN 3980/3920 tapered roller bearing assembly to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this inch-system bearing for industrial maintenance.

How to select the correct NTN tapered roller bearing for an application?

Select an NTN tapered roller bearing by matching bore, OD, and width to your shaft and housing dimensions. Confirm the system of measurement (inch vs metric) and load ratings. For the 3980/3920, verify the 2 3/8 in bore and 4 7/16 in OD fit your assembly. 3G Electric can help source the right part.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN tapered roller bearing assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Assembly: 3982/3920, 2 1/2 in Bore, 4 7/16 in OD, 1.183 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 3982/3920, 2 1/2 in Bore, 4 7/16 in OD, 1.183 in Cone Wd
NTN Tapered Roller Bearing Assembly: 3977/3920, 2 23/64 in Bore, 4 7/16 in OD, 1.183 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 3977/3920, 2 23/64 in Bore, 4 7/16 in OD, 1.183 in Cone Wd
NTN Tapered Roller Bearing Assembly: 39578/39520, 2 1/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 39578/39520, 2 1/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd
NTN Tapered Roller Bearing Assembly: SET408, 2 5/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd (MPN 39590/39520)
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NTN Tapered Roller Bearing Assembly: SET408, 2 5/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd (MPN 39590/39520)
NTN Tapered Roller Bearing Assembly: 390/394A, 2 1/4 in Bore, 4 21/64 in OD, 0.866 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 390/394A, 2 1/4 in Bore, 4 21/64 in OD, 0.866 in Cone Wd
NTN Tapered Roller Bearing Assembly: 3780/3720, 2 in Bore, 3 21/32 in OD, 1.193 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 3780/3720, 2 in Bore, 3 21/32 in OD, 1.193 in Cone Wd

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