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
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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.
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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.








