NTN Tapered Roller Bearing Cone: 387A, 2 1/4 in Bore, 3.622 in OD, 0.864 in Cone Wd
The NTN 387A is an inch-system tapered roller bearing cone with a 2 1/4 in bore, 3.622 in OD, and 0.864 in cone width. It features an alloy steel ring and a pressed steel cage, and is compatible with cup manufacturer…
SKU 3G-OTH-105959
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Product Description
The NTN 387A is an inch-system tapered roller bearing cone with a 2 1/4 in bore, 3.622 in OD, and 0.864 in cone width. It features an alloy steel ring and a pressed steel cage, and is compatible with cup manufacturer part number 382.
Frequently Asked Questions
What is the NTN 387A tapered roller bearing cone used for?
The NTN 387A is a tapered roller bearing cone designed for radial and axial load support in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions and alloy steel construction suit applications requiring precise alignment and durability under moderate to high loads.
What are the specifications of the NTN 387A bearing cone?
The NTN 387A has a 2 1/4 in bore, 3.622 in OD, and 0.864 in cone width. It features an alloy steel ring and pressed steel cage, uses inch-system measurement, and is compatible with cup part number 382. The bearing industry number is 387A.
Where to buy the NTN 387A bearing cone worldwide?
3G Electric supplies the NTN 387A tapered roller bearing cone worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct NTN 387A bearing cone for an application?
To select the NTN 387A, verify the bore diameter (2 1/4 in), outer diameter (3.622 in), and cone width (0.864 in) match your housing and shaft. Ensure compatibility with cup 382 and confirm load ratings meet your application's radial and thrust requirements. Consult NTN specifications for fit tolerances.
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3G Electric supplies NTN tapered roller bearing cones. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













