NTN Tapered Roller Bearing Cup: 3 31/32 in Bore, 4 21/64 in OD, 0.741 in Cup Wd
The NTN Tapered Roller Bearing Cup (SKU 394A, MPN 394A) is an inch-system cup with a 3 31/32 in bore, 4 21/64 in OD, and 0.741 in cup/overall width. It is made of alloy steel and is compatible with cone MPN 399A.
SKU 3G-OTH-111244
Also listed as: 394 A · 394-A
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The NTN Tapered Roller Bearing Cup (SKU 394A, MPN 394A) is an inch-system cup with a 3 31/32 in bore, 4 21/64 in OD, and 0.741 in cup/overall width. It is made of alloy steel and is compatible with cone MPN 399A.
Frequently Asked Questions
What is the NTN 394A tapered roller bearing cup used for?
The NTN 394A cup is used in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and heavy machinery. It pairs with cone 399A to form a complete bearing set, enabling smooth rotation under high load conditions.
What are the specifications of the NTN 394A bearing cup?
The NTN 394A cup has a 3 31/32 in bore, 4 21/64 in OD, and 0.741 in cup width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number 399A. The manufacturer part number is 394A.
Where to buy the NTN 394A bearing cup worldwide?
3G Electric supplies the NTN 394A bearing cup worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this component to any country.
How to select the correct NTN tapered roller bearing cup?
To select the correct NTN cup, match the bore, OD, and width to your application. The 394A cup requires the compatible cone 399A. Verify the system of measurement (inch) and ring material (alloy steel) against your load and speed requirements. Consult NTN specifications for proper fit.
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3G Electric supplies NTN tapered roller bearing cups. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
