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NTN Tapered Roller Bearing Cone: 47678, 3 in Bore, 5.04 in OD, 1.312 in Cone Wd - Tapered Roller Bearing Cones
NTNTapered Roller Bearing Cones

NTN Tapered Roller Bearing Cone: 47678, 3 in Bore, 5.04 in OD, 1.312 in Cone Wd

The NTN 47678 is a tapered roller bearing cone with a 3-inch tapered bore, 5.04-inch outside diameter, and 1.312-inch cone width. It features a chrome steel cage and carbon steel ring, and is designed for inch-system…

SKU 3G-OTH-107114

Brand
NTN
Item
Tapered Roller Bearing Cone: 47678, 3 in Bore, 5.04 in OD, 1.312 in Cone Wd
Category
Tapered Roller Bearing Cones
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
47678
Bore
3 in
OD
5.04 in
Cone Wd
1.312 in
Bore Type
Tapered
Inside Dia
3.947 in
Cage Material
Chrome Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
47678
Compatible Cup Manufacturer Part Number
47623A

Technical Documents

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

Product Description

The NTN 47678 is a tapered roller bearing cone with a 3-inch tapered bore, 5.04-inch outside diameter, and 1.312-inch cone width. It features a chrome steel cage and carbon steel ring, and is designed for inch-system applications. This cone is compatible with cup manufacturer part number 47623A.

Frequently Asked Questions

What is the NTN 47678 tapered roller bearing cone used for?

The NTN 47678 tapered roller bearing cone is used in industrial machinery and automotive drivetrains to support combined radial and axial loads. Its inch-system design suits heavy equipment, gearboxes, and wheel hubs where precise load distribution and durability are required.

What are the specifications of the NTN 47678 bearing cone?

The NTN 47678 has a 3-inch tapered bore, 5.04-inch outside diameter, 1.312-inch cone width, and 3.947-inch inside diameter. It features a chrome steel cage and carbon steel ring. This inch-system cone is compatible with cup part number 47623A.

Where to buy the NTN 47678 bearing cone worldwide?

3G Electric supplies the NTN 47678 tapered roller bearing cone worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this inch-system bearing component.

How to select the correct cup for the NTN 47678 bearing cone?

To select the correct cup for the NTN 47678 cone, use the compatible cup manufacturer part number 47623A. Ensure the cup matches the cone's inch-system dimensions and load ratings. Always verify fit with the bearing's 5.04-inch OD and 1.312-inch cone width for proper assembly.

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.

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Cross-referenced by specification & description
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