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Cylindrical roller bearing SKF NU 1040 M/C40NHVQ077
- Manufacturer Part Number
- NU 1040 M/C40NHVQ077
- Brand
- SKFOfficial brand
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
Other brands in this family
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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Description
SKF NU 1040 M/C40NHVQ077 is a cylindrical roller bearing reference, within Bearings. Request a quote for NU 1040 M/C40NHVQ077 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
SKF cylindrical roller bearings are single row components designed to withstand high radial loads and high speeds. Their separable design facilitates mounting and maintenance in demanding equipment. They are used in gearboxes, pumps, compressors, machine tools and power transmission systems. At MR Accesorios Industriales we supply them and advise you on choosing the correct configuration for your application.
The designation of these bearings is interpreted in blocks. In the example NU 1040 M/C40NHVQ077, the prefix NU indicates a cylindrical roller bearing with two ribs on the outer ring and none on the inner ring, which allows axial displacement. The number 1040 corresponds to the dimension series. The suffix M indicates the cage type, machined brass. The combination C40NHVQ077 defines special tolerances, internal clearance and other execution characteristics. Knowing these codes is key to ordering the exact replacement.
In Argentine industry, these bearings are found in gearboxes, centrifugal pumps, screw compressors, machine tool spindles and transmission equipment. They also appear in railway applications and in machinery for the food industry, where cleanliness and corrosion resistance matter. Their ability to withstand high radial loads and rotate at high speeds makes them versatile in continuous production plants, where reliability is essential to avoid unscheduled downtime.
To select the correct bearing, take into account radial and axial load, rotation speed and environmental conditions. Sealing or shield plates prevent the entry of contaminants; in dirty environments, choose sealed executions. Internal clearance must be suitable for the working temperature. Lubrication, with grease or oil, depends on speed and load. During mounting, ensure precise alignment and avoid impacts that could damage the rollers or raceways. Careful mounting extends the service life of the bearing.
When looking for cross-brand equivalents, it is common for different manufacturers to offer bearings with similar but not identical designations. Interchangeability depends on the main dimensions, cage type and tolerances. It is not enough for the basic number to match; the suffixes must be verified, because they can change internal clearance or precision. If you need to replace a bearing, the safest approach is to compare the complete specifications. At MR Accesorios Industriales we can help you interpret the differences and find the right option for your equipment.
If you already have the part number of your SKF bearing, send it by WhatsApp to MR Accesorios Industriales. With that information we can quote you. We can also advise you if you need a special configuration or an equivalent. Write to us and we will reply shortly.
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 suffix M mean in an SKF bearing?
- The suffix M indicates that the bearing has a machined brass cage. This cage is robust and suitable for high speeds and loads. It is important to verify the complete suffix to ensure the correct configuration.
- How do I choose between an NU and an NJ bearing?
- The difference lies in the ribs: the NU has two ribs on the outer ring and none on the inner ring, while the NJ has one rib on the inner ring. This defines the ability to withstand axial loads in one or both directions. Consult us according to your application.
- What should I take into account for mounting?
- Precise alignment, cleanliness of the seat and adequate lubrication are essential. Avoid direct impacts on the rollers or raceways. Follow the manufacturer's recommendations for internal clearance and tightening torque. Careful mounting prevents premature failures.

