We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NTN Tapered Roller Bearing Cone: 388A, 2 1/4 in Bore, 3.62 in OD, 0.864 in Cone Wd - Tapered Roller Bearing Cones
NTNTapered Roller Bearing Cones

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

Also listed as: 4T388A · 4T 388A

Brand
NTN
Item
Tapered Roller Bearing Cone: 388A, 2 1/4 in Bore, 3.62 in OD, 0.864 in Cone Wd
Category
Tapered Roller Bearing Cones
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
4T-388A
Type
4T-388A
Bore
2 1/4 in
OD
3.62 in
Cone Wd
0.864 in
Bore Type
Tapered
Cage Material
Chrome Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
388A
Compatible Cup Manufacturer Part Number
382

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

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.

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 cones. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Cone: 3880, 1 5/8 in Bore, 3.19 in OD, 1.187 in Cone Wd, 4T-3880
NTN
NTN Tapered Roller Bearing Cone: 3880, 1 5/8 in Bore, 3.19 in OD, 1.187 in Cone Wd, 4T-3880
NTN Tapered Roller Bearing Cone: 389A, 2 1/8 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-389A
NTN
NTN Tapered Roller Bearing Cone: 389A, 2 1/8 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-389A
NTN Tapered Roller Bearing Cone: 386A, 1 7/8 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-386A
NTN
NTN Tapered Roller Bearing Cone: 386A, 1 7/8 in Bore, 3.62 in OD, 0.864 in Cone Wd, 4T-386A
NTN Tapered Roller Bearing Cone: 385A, 2 in Bore, 3.62 in OD, 0.864 in Cone Wd, 3.269 in Inside Dia (MPN 4T-385A)
NTN
NTN Tapered Roller Bearing Cone: 385A, 2 in Bore, 3.62 in OD, 0.864 in Cone Wd, 3.269 in Inside Dia (MPN 4T-385A)
NTN Tapered Roller Bearing Cone: 385, 2 5/32 in Bore, 3.54 in OD, 0.864 in Cone Wd, 4T-385
NTN
NTN Tapered Roller Bearing Cone: 385, 2 5/32 in Bore, 3.54 in OD, 0.864 in Cone Wd, 4T-385
NTN Tapered Roller Bearing Cone: 3877, 1 5/8 in Bore, 2.87 in OD, 1.187 in Cone Wd, 4T-3877
NTN
NTN Tapered Roller Bearing Cone: 3877, 1 5/8 in Bore, 2.87 in OD, 1.187 in Cone Wd, 4T-3877

More from NTN

View all NTN parts
NTN Tapered Roller Bearing Cone: 46162, 1 5/8 in Bore, 3.43 in OD, 1.25 in Cone Wd, 4T-46162
NTN
NTN Tapered Roller Bearing Cone: 46162, 1 5/8 in Bore, 3.43 in OD, 1.25 in Cone Wd, 4T-46162
NTN Tapered Roller Bearing Cone: 3795, 2 in Bore, 3.23 in OD, 1.193 in Cone Wd, 3.001 in Inside Dia (MPN 4T-3795)
NTN
NTN Tapered Roller Bearing Cone: 3795, 2 in Bore, 3.23 in OD, 1.193 in Cone Wd, 3.001 in Inside Dia (MPN 4T-3795)
NTN Tapered Roller Bearing Cone: 52401, 4 in Bore, 5.59 in OD, 1.421 in Cone Wd, 5.59 in Inside Dia (MPN 4T-52401)
NTN
NTN Tapered Roller Bearing Cone: 52401, 4 in Bore, 5.59 in OD, 1.421 in Cone Wd, 5.59 in Inside Dia (MPN 4T-52401)
NTN Tapered Roller Bearing Cone: 16150, 1 1/2 in Bore, 2.64 in OD, 0.812 in Cone Wd, 4T-16150
NTN
NTN Tapered Roller Bearing Cone: 16150, 1 1/2 in Bore, 2.64 in OD, 0.812 in Cone Wd, 4T-16150
NTN Tapered Roller Bearing Cone: 53176, 1 3/4 in Bore, 3.19 in OD, 1.114 in Cone Wd, 4T-53176
NTN
NTN Tapered Roller Bearing Cone: 53176, 1 3/4 in Bore, 3.19 in OD, 1.114 in Cone Wd, 4T-53176
NTN Tapered Roller Bearing Cone: JLM508748, 2 23/64 in Bore, 3.58 in OD, 0.944 in Cone Wd (MPN 4T-JLM508748)
NTN
NTN Tapered Roller Bearing Cone: JLM508748, 2 23/64 in Bore, 3.58 in OD, 0.944 in Cone Wd (MPN 4T-JLM508748)
NTN Tapered Roller Bearing Cone: 42381, 3 13/16 in Bore, 5.59 in OD, 1.14 in Cone Wd, 42381
NTN
NTN Tapered Roller Bearing Cone: 42381, 3 13/16 in Bore, 5.59 in OD, 1.14 in Cone Wd, 42381
NTN Tapered Roller Bearing Cone: 368, 2 in Bore, 3.31 in OD, 0.875 in Cone Wd, 2.974 in Inside Dia (MPN 4T-368)
NTN
NTN Tapered Roller Bearing Cone: 368, 2 in Bore, 3.31 in OD, 0.875 in Cone Wd, 2.974 in Inside Dia (MPN 4T-368)