NTN Tapered Roller Bearing Assembly: 749A/742, 3 1/4 in Bore, 5 29/32 in OD
The NTN Tapered Roller Bearing Assembly, model 749A/742 (MPN 4T-749A/742), is an inch-system bearing with a 3 1/4 in bore, 5 29/32 in OD, and 1.837 in cone width. It features a carbon steel ring and pressed steel…
SKU 3G-OTH-112271
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Product Description
The NTN Tapered Roller Bearing Assembly, model 749A/742 (MPN 4T-749A/742), is an inch-system bearing with a 3 1/4 in bore, 5 29/32 in OD, and 1.837 in cone width. It features a carbon steel ring and pressed steel cage, identified by Bearing Industry Number 749A/742.
Frequently Asked Questions
What is the NTN 749A/742 tapered roller bearing used for?
The NTN 749A/742 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its inch dimensions (3 1/4 in bore, 5 29/32 in OD) suit heavy-duty rotating equipment where precise axial positioning and high load capacity are required.
What are the specifications of the NTN 4T-749A/742 bearing?
The NTN 4T-749A/742 is an inch-system tapered roller bearing assembly with a 3 1/4 in bore, 5 29/32 in OD, and 1.837 in cone width. It has a carbon steel ring and pressed steel cage. The bearing industry number is 749A/742, and the manufacturer part number is 4T-749A/742.
Where to buy NTN 749A/742 bearings worldwide?
3G Electric supplies the NTN 749A/742 tapered roller bearing assembly worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this NTN bearing.
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 29/32 in), and cone width (1.837 in) to your shaft and housing dimensions. Verify load ratings and speed limits from NTN specifications. The pressed steel cage and carbon steel ring suit moderate-speed, heavy-load industrial applications.
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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.
