SKF NU 1040 M/C40NHVQ077 cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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Since 1945 · Martínez, Buenos Aires, Argentina
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Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
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How to read SKF NU 1040 M/C40NHVQ077
- NU 10Series
- Cylindrical roller bearings, NU 10 series. For the same bore, each series has a different outside diameter and width.
- 40Bore
- 200 mm bore: 40 × 5.
- M/C40NHVQ077Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
NU 1040 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF NU 1040 M/C40NHVQ077 bearing has a 200 mm bore, a 310 mm outside diameter and a 51 mm width (200 x 310 x 51 mm).
SKF NU 1040 M/C40NHVQ077 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NU 1040 M/C40NHVQ077 via WhatsApp or email with the quantity you need; we respond promptly with the quote 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.
Dimensions
Boundary dimensions of the basic designation NU 1040 per ISO 15: 200 x 310 x 51 mm (d x D x B).
- Bore
- 200mm
- Outside diameter (D)
- 310mm
- Width (B)
- 51mm
The same size in other brands
Pages from other brands with the basic designation NU 1040: 200 x 310 x 51 mm (d x D x B) per ISO 15.
- FAGNU1040-XL-M1
- NSKNU1040M
- NTNNU1040
- RKBNU 1040
They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.
Frequently Asked Questions
- What are the dimensions of the SKF NU 1040 M/C40NHVQ077 bearing?
- The SKF NU 1040 M/C40NHVQ077 bearing has a 200 mm bore, a 310 mm outside diameter and a 51 mm width (200 x 310 x 51 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NU 1040.
- 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.