SKF Cylindrical Roller Bearing: 311, 55 mm Bore, 120 mm OD, 29 mm Overall Wd
The SKF Cylindrical Roller Bearing 311 is a general-purpose cylindrical roller bearing with an NJ design, featuring a 55 mm bore, 120 mm OD, and 29 mm overall width. It is constructed from alloy steel and has a brass…
SKU 3G-OTH-100847
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Product Description
The SKF Cylindrical Roller Bearing 311 is a general-purpose cylindrical roller bearing with an NJ design, featuring a 55 mm bore, 120 mm OD, and 29 mm overall width. It is constructed from alloy steel and has a brass cage, with the manufacturer part number NJ 311 ECM. This metric bearing is identified by the bearing industry number 311.
Frequently Asked Questions
What is the SKF NJ 311 ECM cylindrical roller bearing used for?
The SKF NJ 311 ECM is a general-purpose cylindrical roller bearing designed for high radial loads in industrial machinery such as gearboxes, pumps, compressors, and electric motors. Its NJ design accommodates axial displacement, making it suitable for applications where shaft expansion occurs.
What are the specifications of the SKF 311 cylindrical roller bearing?
The SKF 311 bearing has a 55 mm bore, 120 mm OD, and 29 mm overall width. It is a metric, alloy steel bearing with a brass cage and NJ design. The manufacturer part number is NJ 311 ECM, and the bearing industry number is 311.
Where to buy SKF NJ 311 ECM bearings worldwide?
3G Electric supplies the SKF NJ 311 ECM bearing to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine SKF components. Contact us for availability and lead time on this metric cylindrical roller bearing.
How to select the right SKF cylindrical roller bearing for an application?
To select the correct SKF cylindrical roller bearing, match the bore, OD, and width to your housing and shaft dimensions. Consider load type—NJ designs handle radial loads and axial displacement. Verify the cage material (e.g., brass for higher temperatures) and operating conditions like speed and lubrication.
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Common applications for SKFSKF Products
3G Electric supplies SKF general purpose cylindrical roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
