NTN Tapered Roller Bearing Assembly: 31311, 55 mm Bore, 120 mm OD, 29 mm Cone Wd
The NTN Tapered Roller Bearing Assembly, model 31311 (MPN 4T-30311D), is a metric tapered roller bearing assembly with a 55 mm bore, 120 mm OD, 29 mm cone width, and 21 mm cup width. It features a pressed steel cage…
SKU 3G-OTH-107989
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Product Description
The NTN Tapered Roller Bearing Assembly, model 31311 (MPN 4T-30311D), is a metric tapered roller bearing assembly with a 55 mm bore, 120 mm OD, 29 mm cone width, and 21 mm cup width. It features a pressed steel cage and carbon steel rings.
Frequently Asked Questions
What is the NTN 31311 tapered roller bearing used for?
The NTN 31311 tapered roller bearing assembly is designed for heavy radial and axial loads in industrial machinery, automotive transmissions, and gearboxes. Its tapered design handles combined loads efficiently, making it suitable for wheel hubs, conveyor systems, and machine tool spindles where precision and durability are required.
What are the specifications of the NTN 31311 bearing?
The NTN 31311 tapered roller bearing assembly has a 55 mm bore, 120 mm OD, 29 mm cone width, and 21 mm cup width. It uses a pressed steel cage and carbon steel rings. The system of measurement is metric, and the manufacturer part number is 4T-30311D. This bearing is built for reliable performance under moderate to heavy loads.
Where to buy the NTN 31311 bearing worldwide?
You can source the NTN 31311 tapered roller bearing assembly 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; we provide competitive pricing and reliable sourcing for this NTN bearing model.
How to select the correct NTN tapered roller bearing for an application?
To select the correct NTN tapered roller bearing, match the bore, OD, and width to your shaft and housing dimensions. Consider load ratings, speed requirements, and operating temperature. For the 31311 model, verify the 55 mm bore and 120 mm OD fit your assembly. Consult NTN's technical data or a bearing specialist for application-specific guidance.
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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.
