NTN Tapered Roller Bearing Assembly: 390/394A, 2 1/4 in Bore, 4 21/64 in OD
The NTN Tapered Roller Bearing Assembly, model 390/394A, is an inch-system bearing with a 2 1/4 in bore, 4 21/64 in OD, and 0.866 in cone width. It features a carbon steel ring and a pressed steel cage, designed for…
SKU 3G-OTH-109974
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Product Description
The NTN Tapered Roller Bearing Assembly, model 390/394A, is an inch-system bearing with a 2 1/4 in bore, 4 21/64 in OD, and 0.866 in cone width. It features a carbon steel ring and a pressed steel cage, designed for industrial applications requiring tapered roller bearing assemblies.
Frequently Asked Questions
What is the NTN 390/394A tapered roller bearing used for?
The NTN 390/394A tapered roller bearing assembly is used in industrial machinery that must support combined radial and axial loads, such as gearboxes, conveyors, and automotive drivetrains. Its inch-system dimensions and pressed steel cage make it suitable for moderate-speed applications requiring reliable load distribution.
What are the specifications of the NTN 390/394A bearing?
The NTN 390/394A is an inch-system tapered roller bearing assembly with a 2 1/4 in bore, 4 21/64 in OD, and 0.866 in cone width. It has a carbon steel ring and a pressed steel cage. The manufacturer part number and bearing industry number are both 390/394A.
Where to buy the NTN 390/394A bearing worldwide?
3G Electric supplies the NTN 390/394A tapered roller bearing assembly worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this bearing to any country.
How to install the NTN 390/394A tapered roller bearing?
To install the NTN 390/394A, clean the shaft and housing, apply a light oil film, and press the cone onto the shaft using a press tool against the inner ring face. Ensure the cup is seated squarely in the housing. Adjust axial clearance per manufacturer guidelines to prevent overheating or excessive play.
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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.
