NTN Tapered Roller Bearing Assembly: 30311, 55 mm Bore, 120 mm OD, 29 mm Cone Wd
The NTN Tapered Roller Bearing Assembly, model 30311 (MPN 4T-30311), is a metric tapered roller bearing with a 55 mm bore, 120 mm OD, 29 mm cone width, and 25 mm cup width. It features a carbon steel ring and a…
SKU 3G-OTH-104219
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Product Description
The NTN Tapered Roller Bearing Assembly, model 30311 (MPN 4T-30311), is a metric tapered roller bearing with a 55 mm bore, 120 mm OD, 29 mm cone width, and 25 mm cup width. It features a carbon steel ring and a pressed steel cage. This bearing assembly is designed for industrial applications requiring radial and axial load support.
Frequently Asked Questions
What is the NTN 30311 tapered roller bearing used for?
The NTN 30311 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery such as gearboxes, pumps, and conveyor systems. Its 55 mm bore and 120 mm OD suit moderate-speed, high-load applications where precise shaft alignment is required.
What are the specifications of the NTN 4T-30311 bearing?
The NTN 4T-30311 is a metric tapered roller bearing with a 55 mm bore, 120 mm OD, 29 mm cone width, and 25 mm cup width. It has a carbon steel ring and pressed steel cage. The bearing industry number is 30311.
Where to buy NTN 30311 bearings worldwide?
3G Electric supplies the NTN 30311 tapered roller bearing assembly worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this metric bearing.
How to select the correct NTN tapered roller bearing for an application?
Select an NTN tapered roller bearing by matching bore size, OD, and width to your shaft and housing dimensions. Confirm load ratings and speed limits from the manufacturer's catalog. For the 30311, verify the 55 mm bore and 120 mm OD fit your assembly.
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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.
