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

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
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-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

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 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.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Assembly: 33209, 45 mm Bore, 85 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33209)
NTN
NTN Tapered Roller Bearing Assembly: 33209, 45 mm Bore, 85 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33209)
NTN Tapered Roller Bearing Assembly: 33210, 50 mm Bore, 90 mm OD, 32 mm Cone Wd, 24.5 mm Cup Wd (MPN 4T-33210)
NTN
NTN Tapered Roller Bearing Assembly: 33210, 50 mm Bore, 90 mm OD, 32 mm Cone Wd, 24.5 mm Cup Wd (MPN 4T-33210)
NTN Tapered Roller Bearing Cone: 3479, 1 7/16 in Bore, 2.91 in OD, 1.172 in Cone Wd, 4T-3479
NTN
NTN Tapered Roller Bearing Cone: 3479, 1 7/16 in Bore, 2.91 in OD, 1.172 in Cone Wd, 4T-3479
NTN Tapered Roller Bearing Assembly: 33207, 35 mm Bore, 72 mm OD, 28 mm Cone Wd, 22 mm Cup Wd (MPN 4T-33207)
NTN
NTN Tapered Roller Bearing Assembly: 33207, 35 mm Bore, 72 mm OD, 28 mm Cone Wd, 22 mm Cup Wd (MPN 4T-33207)
NTN Tapered Roller Bearing Assembly: 33208, 40 mm Bore, 80 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33208)
NTN
NTN Tapered Roller Bearing Assembly: 33208, 40 mm Bore, 80 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33208)
NTN Tapered Roller Bearing Cone: 350A, 1 9/16 in Bore, 3.15 in OD, 0.882 in Cone Wd, 4T-350A
NTN
NTN Tapered Roller Bearing Cone: 350A, 1 9/16 in Bore, 3.15 in OD, 0.882 in Cone Wd, 4T-350A

More from NTN

View all NTN parts
NTN Tapered Roller Bearing Assembly: 25878/25820, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25878/25820)
NTN
NTN Tapered Roller Bearing Assembly: 25878/25820, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25878/25820)
NTN Tapered Roller Bearing Assembly: L116149/L116110, 3 1/4 in Bore, 4 9/16 in OD, 0.812 in Cone Wd (MPN 4T-L116149/L1161#03)
NTN
NTN Tapered Roller Bearing Assembly: L116149/L116110, 3 1/4 in Bore, 4 9/16 in OD, 0.812 in Cone Wd (MPN 4T-L116149/L1161#03)
NTN Tapered Roller Bearing Assembly: L68149/L68111, 1 3/8 in Bore, 2 23/64 in OD, 0.66 in Cone Wd (MPN 4T-L68149/L68111)
NTN
NTN Tapered Roller Bearing Assembly: L68149/L68111, 1 3/8 in Bore, 2 23/64 in OD, 0.66 in Cone Wd (MPN 4T-L68149/L68111)
NTN Tapered Roller Bearing Assembly: 32915, 75 mm Bore, 105 mm OD, 20 mm Cone Wd, 16 mm Cup Wd
NTN
NTN Tapered Roller Bearing Assembly: 32915, 75 mm Bore, 105 mm OD, 20 mm Cone Wd, 16 mm Cup Wd
NTN Tapered Roller Bearing Assembly: 33216, 80 mm Bore, 140 mm OD, 46 mm Cone Wd, 35 mm Cup Wd (MPN 33216U)
NTN
NTN Tapered Roller Bearing Assembly: 33216, 80 mm Bore, 140 mm OD, 46 mm Cone Wd, 35 mm Cup Wd (MPN 33216U)
NTN Tapered Roller Bearing Assembly: 11590/11520, 5/8 in Bore, 1 11/16 in OD, 0.562 in Cone Wd (MPN 4T-11590/11520)
NTN
NTN Tapered Roller Bearing Assembly: 11590/11520, 5/8 in Bore, 1 11/16 in OD, 0.562 in Cone Wd (MPN 4T-11590/11520)
NTN Tapered Roller Bearing Assembly: 32028X, 140 mm Bore, 210 mm OD, 45 mm Cone Wd, 34 mm Cup Wd (MPN 32028XU)
NTN
NTN Tapered Roller Bearing Assembly: 32028X, 140 mm Bore, 210 mm OD, 45 mm Cone Wd, 34 mm Cup Wd (MPN 32028XU)
NTN Tapered Roller Bearing Assembly: 593/592A, 3 1/2 in Bore, 6 in OD, 1.43 in Cone Wd, 593/592A
NTN
NTN Tapered Roller Bearing Assembly: 593/592A, 3 1/2 in Bore, 6 in OD, 1.43 in Cone Wd, 593/592A