NTN Tapered Roller Bearing Cone: 388A, 2 1/4 in Bore, 3.62 in OD, 0.864 in Cone Wd
The NTN 388A is a tapered roller bearing cone, part of the NTN brand's inch-system product line. It features a 2 1/4 inch tapered bore, a 3.62 inch outer diameter, and a 0.864 inch cone width, with a chrome steel…
SKU 3G-OTH-105562
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Product Description
The NTN 388A is a tapered roller bearing cone, part of the NTN brand's inch-system product line. It features a 2 1/4 inch tapered bore, a 3.62 inch outer diameter, and a 0.864 inch cone width, with a chrome steel cage and carbon steel ring. This cone is designed for use with compatible cup manufacturer part number 382, and is identified by bearing industry number 388A and manufacturer part number 4T-388A.
Frequently Asked Questions
What is the NTN 388A tapered roller bearing cone used for?
The NTN 388A tapered roller bearing cone is used in industrial machinery and automotive drivetrains to support combined radial and axial loads. It is commonly applied in gearboxes, conveyors, and wheel hubs where precise shaft alignment and high load capacity are required.
What are the specifications of the NTN 388A bearing cone?
The NTN 388A bearing cone has a 2 1/4 in tapered bore, a 3.62 in outer diameter, and a 0.864 in cone width. It features a carbon steel ring and a chrome steel cage. This inch-system cone is designed for use with compatible cup part number 382.
Where to buy the NTN 388A bearing cone worldwide?
3G Electric supplies the NTN 388A bearing cone worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this inch-system tapered roller bearing cone.
How to select the correct cup for the NTN 388A bearing cone?
To select the correct cup for the NTN 388A bearing cone, use the compatible cup manufacturer part number 382. Ensure the cup matches the cone's inch-system dimensions and load rating. Always verify fit with the bearing industry number 388A for proper assembly and performance.
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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.













