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NTN 4T-387A/382 Tapered Roller Bearing Assembly, 2 1/4 in Bore, 3 7/8 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN 4T-387A/382 Tapered Roller Bearing Assembly, 2 1/4 in Bore, 3 7/8 in OD

The NTN Tapered Roller Bearing Assembly, model 387A/382 (SKU 3G-OTH-104404), is an inch-system bearing with a 2 1/4 in bore, 3 7/8 in OD, and 0.864 in cone width. It features a pressed steel cage and carbon steel…

SKU 3G-OTH-104404

Also listed as: 4T387A382 · 4T 387A 382 · 4T-387A-382

Brand
NTN
Item
4T-387A/382 Tapered Roller Bearing Assembly, 2 1/4 in Bore, 3 7/8 in OD
Category
Tapered Roller Bearing Assemblies
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NTN
Manufacturer Part Number
4T-387A/382
Bore
2 1/4 in
OD
3 7/8 in
Cone Wd
0.864 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
387A/382

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 387A/382 (SKU 3G-OTH-104404), is an inch-system bearing with a 2 1/4 in bore, 3 7/8 in OD, and 0.864 in cone width. It features a pressed steel cage and carbon steel rings, identified by manufacturer part number 4T-387A/382.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 387A/382 tapered roller bearing used for?

The NTN 387A/382 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions (2 1/4 in bore, 3 7/8 in OD) suit applications like gearboxes, wheel hubs, and conveyor systems where precise load distribution is critical.

What are the specifications of the NTN 387A/382 bearing?

The NTN 387A/382 is an inch-system tapered roller bearing assembly with a 2 1/4 in bore, 3 7/8 in OD, and 0.864 in cone width. It has carbon steel rings, a pressed steel cage, and manufacturer part number 4T-387A/382. The bearing industry number is 387A/382.

Where to buy NTN 387A/382 bearings worldwide?

3G Electric supplies the NTN 387A/382 tapered roller bearing assembly worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this inch-system bearing with carbon steel rings and pressed steel cage.

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

To select the correct NTN tapered roller bearing, match the bore (2 1/4 in for model 387A/382), OD (3 7/8 in), and cone width (0.864 in) to your shaft and housing dimensions. Verify the system of measurement (inch), ring material (carbon steel), and cage type (pressed steel). Consult NTN's load ratings for your specific radial and thrust requirements.

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: 387A/382A, 2 1/4 in Bore, 3 13/16 in OD, 0.864 in Cone Wd (MPN 4T-387A/382A)
NTN
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)
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
NTN Tapered Roller Bearing Cone: 3877, 1 5/8 in Bore, 2.87 in OD, 1.187 in Cone Wd, 4T-3877
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NTN Tapered Roller Bearing Cone: 3877, 1 5/8 in Bore, 2.87 in OD, 1.187 in Cone Wd, 4T-3877
Inch-system tapered roller bearing cone with 1 1/2 in tapered bore, 2.87 in OD, and 1.187 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 3820. Used in applications supporting combined radial and axial loads, such as gearboxes and conveyor systems
NTN
Inch-system tapered roller bearing cone with 1 1/2 in tapered bore, 2.87 in OD, and 1.187 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 3820. Used in applications supporting combined radial and axial loads, such as gearboxes and conveyor systems
Inch-system tapered roller bearing cone with 1 1/2 in tapered bore, 3.19 in OD, and 1.187 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 3820 for full bearing assembly. Used in industrial equipment such as gearboxes and conveyors to support combined radial and axial loads
NTN
Inch-system tapered roller bearing cone with 1 1/2 in tapered bore, 3.19 in OD, and 1.187 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 3820 for full bearing assembly. Used in industrial equipment such as gearboxes and conveyors to support combined radial and axial loads
NTN Tapered Roller Bearing Cone: 387, 2 1/4 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-387
NTN
NTN Tapered Roller Bearing Cone: 387, 2 1/4 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-387

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