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NTN Tapered Roller Bearing Assembly: 3490/3420, 1 1/2 in Bore, 3 1/8 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 3490/3420, 1 1/2 in Bore, 3 1/8 in OD

The NTN Tapered Roller Bearing Assembly, model 3490/3420 (MPN 4T-3490/3420), is an inch-system bearing with a 1 1/2 in bore, 3 1/8 in OD, and 1.172 in cone width. It features a carbon steel ring and a pressed steel cage.

SKU 3G-OTH-106307

Also listed as: 4T34903420 · 4T 3490 3420 · 4T-3490-3420

Brand
NTN
Item
Tapered Roller Bearing Assembly: 3490/3420, 1 1/2 in Bore, 3 1/8 in OD
Category
Tapered Roller Bearing Assemblies
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NTN
Manufacturer Part Number
4T-3490/3420
Bore
1 1/2 in
OD
3 1/8 in
Cone Wd
1.172 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
3490/3420

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 3490/3420 (MPN 4T-3490/3420), is an inch-system bearing with a 1 1/2 in bore, 3 1/8 in OD, and 1.172 in cone width. It features a carbon steel ring and a pressed steel cage.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 3490/3420 tapered roller bearing used for?

The NTN 3490/3420 tapered roller bearing assembly is designed to support combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions make it suitable for applications requiring precise shaft alignment and high load capacity, such as gearboxes and conveyor systems.

What are the specifications of the NTN 4T-3490/3420 bearing?

The NTN 4T-3490/3420 is an inch-system tapered roller bearing assembly with a 1 1/2 in bore, 3 1/8 in OD, and 1.172 in cone width. It features a carbon steel ring and a pressed steel cage. The bearing industry number is 3490/3420, and the manufacturer part number is 4T-3490/3420.

Where to buy NTN 3490/3420 bearings worldwide?

You can source the NTN 3490/3420 tapered roller bearing assembly from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine NTN bearings to procurement teams and plant engineers globally.

How to select the correct NTN tapered roller bearing for an application?

To select the correct NTN tapered roller bearing, verify the shaft diameter (bore), housing bore (OD), and required load ratings. For the 3490/3420 model, ensure your application matches the 1 1/2 in bore, 3 1/8 in OD, and 1.172 in cone width. Consult NTN's load capacity tables and consider operating temperature, speed, and lubrication requirements for optimal 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 assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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