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Cylindrical roller bearing SKF NUP 310 ECJ/C3
- Manufacturer Part Number
- NUP 310 ECJ/C3
- Brand
- SKFOfficial brand
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
Other brands in this category
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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Description
SKF NUP 310 ECJ/C3 is a cylindrical roller bearing reference, within Bearings. Request a quote for NUP 310 ECJ/C3 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
SKF NUP series cylindrical roller bearings are components designed to support high radial loads and considerable speeds. Their design with cylindrical rollers and flanges on both rings allows radial mounting and dismounting, and their alignment capability is limited. They are used in industrial applications requiring high rigidity and precision, such as machine tools, electric motors and gearboxes. MR Accesorios Industriales supplies this line as part of its SKF bearing offering.
The NUP designation corresponds to cylindrical roller bearings with one fixed flange on the inner ring and two flanges on the outer ring, which allows axial displacement in both directions. The ECJ suffixes indicate a high-capacity stamped steel cage, while C3 indicates an internal radial clearance greater than standard. For example, NUP 309 ECJ/C3 and NUP 310 ECJ/C3 are part numbers that combine these characteristics for specific applications.
These bearings are used in industries such as metallurgy, cement, paper and machine tools. In Argentina, they are common in speed reducers, industrial pumps, large electric motors and mining equipment. Their ability to support heavy radial loads and their rigidity make them suitable for transmissions that demand precision and durability under severe conditions.
To select the right bearing, take into account the radial load, rotation speed and environmental conditions. C3 clearance is advisable when thermal expansion or interference fits are expected. Mounting must be carried out with suitable tools to avoid damage to the rollers and raceways. Lubrication, whether with grease or oil, must be correct for the application, and alignment between shaft and housing is critical to avoid additional loads.
Regarding equivalences, SKF NUP bearings can be interchanged with those from other brands that follow the same international designation, such as FAG, NSK or NTN, provided dimensions and tolerances are verified. It is important to consult compatibility tables and not rely only on the part number, since there may be variants in cages or clearances. MR Accesorios Industriales can advise you on selecting the equivalent part number.
If you need a quote for an SKF NUP bearing, send us the complete part number by WhatsApp. At MR Accesorios Industriales we help you identify the correct part number and resolve your technical doubts. With more than 80 years of experience, we are your reliable power transmission partner.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- What does the ECJ suffix mean on an SKF bearing?
- ECJ indicates a high-capacity stamped steel cage, designed to support high loads and high speeds. It is a standard designation in SKF cylindrical roller bearings.
- When is it advisable to use a bearing with C3 clearance?
- C3 clearance is recommended when there is thermal expansion, interference fits or high speeds, since it provides additional margin that prevents premature seizure.
- Can I replace an SKF NUP with another brand?
- Yes, as long as the designation and dimensions match. Brands such as FAG, NSK or NTN offer equivalents, but verify tolerances and cage type before replacing.

