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NTN Tapered Roller Bearing Assembly: SET406, 1 3/4 in Bore, 3 21/32 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: SET406, 1 3/4 in Bore, 3 21/32 in OD

The NTN Tapered Roller Bearing Assembly, model SET406 (MPN 3782/3720), is an inch-system bearing with a 1 3/4 in bore, 3 21/32 in OD, and 1.193 in cone width. It features a carbon steel ring and a pressed steel cage.

SKU 3G-OTH-103095

Also listed as: 37823720 · 3782 3720 · 3782-3720

Brand
NTN
Item
Tapered Roller Bearing Assembly: SET406, 1 3/4 in Bore, 3 21/32 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
3782/3720
Bore
1 3/4 in
OD
3 21/32 in
Cone Wd
1.193 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
SET406

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model SET406 (MPN 3782/3720), is an inch-system bearing with a 1 3/4 in bore, 3 21/32 in OD, and 1.193 in cone width. It features a carbon steel ring and a pressed steel cage.

Frequently Asked Questions

What is the NTN SET406 tapered roller bearing used for?

The NTN SET406 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, automotive drivetrains, gearboxes, and conveyor systems. Its inch-system dimensions suit legacy equipment and North American applications requiring reliable load support and misalignment accommodation.

What are the specifications of the NTN SET406 bearing?

The NTN SET406 bearing has a 1 3/4 in bore, 3 21/32 in OD, and 1.193 in cone width. It uses carbon steel rings and a pressed steel cage. The inch-system design (MPN 3782/3720) is suited for applications requiring precise tapered roller geometry.

Where to buy NTN SET406 bearings worldwide?

3G Electric supplies the NTN SET406 bearing worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. As a global industrial distributor, we source and deliver this bearing to any country.

How to select the correct NTN tapered roller bearing assembly?

Match the bore (1 3/4 in), OD (3 21/32 in), and cone width (1.193 in) to your shaft and housing dimensions. Verify the load rating and speed limits from NTN's catalog. The pressed steel cage suits moderate speeds; carbon steel rings provide durability in standard industrial environments.

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: 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
NTN Tapered Roller Bearing Assembly: SET428, 1 3/4 in Bore, 3 21/32 in OD, 0.937 in Cone Wd (MPN 3782PW5/3720PW1)
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NTN Tapered Roller Bearing Assembly: SET428, 1 3/4 in Bore, 3 21/32 in OD, 0.937 in Cone Wd (MPN 3782PW5/3720PW1)
NTN Tapered Roller Bearing Assembly: SET426, 3 in Bore, 5 1/4 in OD, 1.312 in Cone Wd, 47679/47620
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NTN Tapered Roller Bearing Assembly: SET426, 3 in Bore, 5 1/4 in OD, 1.312 in Cone Wd, 47679/47620
NTN Tapered Roller Bearing Assembly: SET411, 3 1/4 in Bore, 5 1/4 in OD, 1.312 in Cone Wd (MPN 47686/47620)
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NTN Tapered Roller Bearing Assembly: SET411, 3 1/4 in Bore, 5 1/4 in OD, 1.312 in Cone Wd (MPN 47686/47620)
NTN Tapered Roller Bearing Assembly: SET409, 1 3/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd (MPN 45280/45220)
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NTN Tapered Roller Bearing Assembly: SET409, 1 3/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd (MPN 45280/45220)
NTN Tapered Roller Bearing Assembly: 37425/37625, 4 1/4 in Bore, 6 1/4 in OD, 0.844 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 37425/37625, 4 1/4 in Bore, 6 1/4 in OD, 0.844 in Cone Wd

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