NTN Tapered Roller Bearing Assembly: 387A/382, 2 1/4 in Bore, 3 7/8 in OD
The NTN Tapered Roller Bearing Assembly, model 387A/382 (SKU 806AH9), 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…
SKU 3G-OTH-104404
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Product Description
The NTN Tapered Roller Bearing Assembly, model 387A/382 (SKU 806AH9), 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.
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.
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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.













