NTN Tapered Roller Bearing Assembly: SET421, 3 1/4 in Bore, 5 1/4 in OD
The NTN Tapered Roller Bearing Assembly, model SET421 (MPN HM516449A/HM516410), is an inch-system bearing assembly with a 3 1/4 in bore, 5 1/4 in OD, and 1.562 in cone width. It features a carbon steel ring and a…
SKU 3G-OTH-108228
Also listed as: HM516449AHM516410 · HM516449A HM516410 · HM516449A-HM516410
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.
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Product Description
The NTN Tapered Roller Bearing Assembly, model SET421 (MPN HM516449A/HM516410), is an inch-system bearing assembly with a 3 1/4 in bore, 5 1/4 in OD, and 1.562 in cone width. It features a carbon steel ring and a pressed steel cage.
Frequently Asked Questions
What is the NTN SET421 tapered roller bearing used for?
The NTN SET421 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its inch-system dimensions (3 1/4 in bore, 5 1/4 in OD) suit heavy-duty applications requiring precise shaft alignment and high load capacity.
What are the specifications of the NTN SET421 bearing?
The NTN SET421 bearing has a 3 1/4 in bore, 5 1/4 in OD, and 1.562 in cone width. It uses carbon steel rings and a pressed steel cage. The manufacturer part number is HM516449A/HM516410, and it is an inch-system assembly with industry number SET421.
Where to buy the NTN SET421 bearing worldwide?
You can source the NTN SET421 tapered roller bearing through 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 on this inch-system bearing assembly.
How to select the correct NTN tapered roller bearing for an application?
To select the correct NTN tapered roller bearing, match the bore (3 1/4 in), OD (5 1/4 in), and cone width (1.562 in) to your shaft and housing dimensions. Verify load ratings and speed limits from NTN specifications. The SET421 assembly uses a pressed steel cage suitable for moderate speeds.
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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.
