NTN 6312MAZZ deep groove ball bearing
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
- Series
- MA
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity you need.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
How to read NTN 6312MAZZ
- 63Series
- Deep groove ball bearings, 63 series. For the same bore, each series has a different outside diameter and width.
- 12Bore
- 60 mm bore: 12 × 5.
- MAZZSuffix
- NTN suffix: it defines the variant (sealing, cage, internal clearance or other features).
6312 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The NTN 6312MAZZ bearing has a 60 mm bore, a 130 mm outside diameter and a 31 mm width (60 x 130 x 31 mm).
NTN 6312MAZZ is a reference of deep groove ball bearing, within Bearings. Request a quote for 6312MAZZ via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The NTN MA series deep groove ball bearing is a precision component designed to withstand radial and axial loads in both directions. Its construction with a single row of balls and deep raceways allows it to operate at high speeds with minimal maintenance. It is used in a wide variety of industrial equipment, from electric motors to pumps and fans, where reliability and durability are essential. MR Accesorios Industriales sells this series as part of its NTN bearing line.
The MA series designation is interpreted as follows: the initial number indicates the size or diameter of the bearing, followed by the letters MA that identify specific characteristics of the series. For example, in 6209MAZZ, 6210MAZZ, 6308MAZZ, 6310MAZZ and 6312MAZZ, the numeric prefix indicates the dimension series (62 or 63) and the MAZZ suffix indicates construction and sealing particularities. Knowing this nomenclature allows you to quickly identify the right bearing for your application.
These bearings are used in industries such as food, petrochemical, textile and metallurgical, in equipment such as electric motors, centrifugal pumps, fans, conveyors and process machinery. In Argentina, they are common in production plants and maintenance workshops that require reliable components for continuous operation. Their versatility makes them suitable for applications where moderate radial and axial loads are combined.
To correctly select a bearing from this series, take into account the load, speed and environmental conditions. The ZZ seal (two steel shields) protects against dust and dirt, while other variants may include rubber seals. Proper lubrication and precise alignment during assembly are key to maximizing service life. Follow the manufacturer's recommendations for internal clearance and fit on the shaft and housing.
Regarding equivalences, deep groove ball bearings from different manufacturers can be interchanged if they share standardized dimensions and tolerances. Always verify the complete part number and technical specifications before replacing one bearing with another of a different brand. MR Accesorios Industriales advises you to find the NTN reference that best suits your equipment, maintaining the original quality and performance.
If you need a quote for an NTN MA series deep groove ball bearing, write to us on WhatsApp with the exact part number shown on your equipment or nameplate. We will reply shortly with the information you need to move forward. At MR Accesorios Industriales we work so you can find the right part and keep your equipment running.
Dimensions
Boundary dimensions of the basic designation 6312 per ISO 15: 60 x 130 x 31 mm (d x D x B).
- Bore
- 60 mm
- Outside diameter (D)
- 130mm
- Width (B)
- 31mm
Same size in SKF and other brands
Pages from other brands with the basic designation 6312: 60 x 130 x 31 mm (d x D x B) per ISO 15.
- Looking for the SKF 6312? We also quote:63126312-Z6312 NR21 more →
- FAG6312-C6312-C-2Z6312-C-2HRS
- KOYO6312
- NSK63126312 ZZ
- RKB6312
- TIMKEN63126312MB
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 NTN 6312MAZZ bearing?
- The NTN 6312MAZZ bearing has a 60 mm bore, a 130 mm outside diameter and a 31 mm width (60 x 130 x 31 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 6312.
- What does the MAZZ suffix mean on an NTN bearing?
- The MAZZ suffix identifies specific characteristics of the MA series, such as the type of seal or cage. To interpret it accurately, check the complete designation and technical specifications in the NTN catalog. Write to us on WhatsApp with the part number and we will help you identify it.
- How do I know if an NTN MA series bearing is compatible with my equipment?
- Check the main dimensions (bore, outer diameter and width) and the load and speed conditions. If they match those of the original bearing, it is likely compatible. If in doubt, ask us with the part number and measurements; we will advise you to choose the right option.
- Where can I get a quote for NTN MA series bearings in Argentina?
- At MR Accesorios Industriales, Buenos Aires, Argentina, we sell NTN bearings and we will quote the MA series you need. Write to us on WhatsApp with the exact part number and we will reply shortly with the information for your purchase.