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NTN Tapered Roller Bearing Assembly: 3776/3720, 1 49/64 in Bore, 3 21/32 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 3776/3720, 1 49/64 in Bore, 3 21/32 in OD

The NTN Tapered Roller Bearing Assembly, model 3776/3720 (MPN 4T-3776/3720), is an inch-system bearing with a 1 49/64 in bore, 3 21/32 in OD, and 1.193 in cone width. It features a carbon steel ring and a pressed…

SKU 3G-OTH-103230

Also listed as: 4T37763720 · 4T 3776 3720 · 4T-3776-3720

Brand
NTN
Item
Tapered Roller Bearing Assembly: 3776/3720, 1 49/64 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
4T-3776/3720
Bore
1 49/64 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
3776/3720

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 3776/3720 (MPN 4T-3776/3720), is an inch-system bearing with a 1 49/64 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 3776/3720 tapered roller bearing used for?

The NTN 3776/3720 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions suit older North American designs. The pressed steel cage and carbon steel rings provide durability in moderate-speed, high-load applications.

What are the specifications of the NTN 4T-3776/3720 bearing?

The NTN 4T-3776/3720 is an inch-system tapered roller bearing assembly with a 1 49/64 in bore, 3 21/32 in OD, and 1.193 in cone width. It has carbon steel rings and a pressed steel cage. The bearing industry number is 3776/3720.

Where to buy NTN 3776/3720 bearings worldwide?

3G Electric supplies the NTN 3776/3720 tapered roller bearing assembly 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 for an application?

To select the correct NTN tapered roller bearing, match the bore, OD, and width to your housing and shaft dimensions. Verify the system of measurement (inch vs. metric) and load ratings. The 3776/3720 assembly uses a pressed steel cage and carbon steel rings, suitable for moderate speeds and heavy radial loads.

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
Inch-system tapered roller bearing cone with a 1 49/64 in tapered bore, 3.46 in outside diameter, and 1.193 in cone width. Features a chrome steel cage and carbon steel ring. Compatible with cup part number 3720. Used in applications requiring combined radial and axial load support, such as gearboxes, conveyor systems, and wheel hubs
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Inch-system tapered roller bearing cone with a 1 49/64 in tapered bore, 3.46 in outside diameter, and 1.193 in cone width. Features a chrome steel cage and carbon steel ring. Compatible with cup part number 3720. Used in applications requiring combined radial and axial load support, such as gearboxes, conveyor systems, and wheel hubs
Inch-system tapered roller bearing assembly with 2 1/64 in bore, 3 17/32 in OD, and 0.875 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for applications requiring combined radial and axial load handling, such as gearboxes and conveyor systems
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Inch-system tapered roller bearing assembly with 2 1/64 in bore, 3 17/32 in OD, and 0.875 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for applications requiring combined radial and axial load handling, such as gearboxes and conveyor systems
NTN Tapered Roller Bearing Assembly: 387A/382A, 2 1/4 in Bore, 3 13/16 in OD, 0.864 in Cone Wd (MPN 4T-387A/382A)
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NTN Tapered Roller Bearing Assembly: 387A/382A, 2 1/4 in Bore, 3 13/16 in OD, 0.864 in Cone Wd (MPN 4T-387A/382A)
Tapered roller bearing cone with 1 7/8 in tapered bore, 3.23 in outside diameter, and 1.193 in cone width. Chrome steel cage and carbon steel ring. Inch system, bearing industry number 3779. Used with cup 3720 in assemblies supporting combined radial and axial loads in gearboxes, wheel hubs, and conveyor systems
NTN
Tapered roller bearing cone with 1 7/8 in tapered bore, 3.23 in outside diameter, and 1.193 in cone width. Chrome steel cage and carbon steel ring. Inch system, bearing industry number 3779. Used with cup 3720 in assemblies supporting combined radial and axial loads in gearboxes, wheel hubs, and conveyor systems
NTN Tapered Roller Bearing Assembly: 3780/3720, 2 in Bore, 3 21/32 in OD, 1.193 in Cone Wd
NTN
NTN Tapered Roller Bearing Assembly: 3780/3720, 2 in Bore, 3 21/32 in OD, 1.193 in Cone Wd
Inch-system tapered roller bearing assembly with carbon steel rings and pressed steel cage. Bore 2-1/4 in, OD 3-13/16 in, cone width 0.864 in. Supports combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment
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Inch-system tapered roller bearing assembly with carbon steel rings and pressed steel cage. Bore 2-1/4 in, OD 3-13/16 in, cone width 0.864 in. Supports combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment

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