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Steel deep groove ball bearing with a metal shield on one side · SKF 6312-Z/HC5C3
SKF 6312-Z/HC5C3 deep groove ball bearing

SKFBrand we market

SKF 6312-Z/HC5C3 deep groove ball bearing

Manufacturer Part Number6312-Z/HC5C3Dimensions: 60 x 130 x 31 mm (d x D x B)6312 bearing: all versions and brands →Also searched as: 6312Z/HC5C3 · 6312 Z/HC5C3SKF 63 series: dimension table →
Brand
SKF
Category
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 6312-Z/HC5C3

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.
Z/HC5C3Suffix
SKF 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 SKF 6312-Z/HC5C3 bearing has a 60 mm bore, a 130 mm outside diameter and a 31 mm width (60 x 130 x 31 mm).

SKF 6312-Z/HC5C3 is a reference of deep groove ball bearing, within Bearings. Request a quote for 6312-Z/HC5C3 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The SKF deep groove ball bearing is an essential component for supporting radial and axial loads in rotating machinery. Its single-row ball design and deep raceways allow it to run at high speeds with minimal maintenance. It is used in electric motors, pumps, fans and industrial equipment where reliability and precision are required. MR Accesorios Industriales sells this brand so you can choose the right configuration for your application.

The designation of these SKF bearings is interpreted from their suffixes. For example, the code 6312-Z/HC5C3 combines the basic size of the 63 series, a non-metallic side seal (suffix Z) and an HC5 special execution with C3 internal clearance. The 63 series corresponds to a medium section, with a balance between load capacity and permissible speed. The Z or 2Z suffixes indicate protection against contaminants, while HC5 indicates a variant with specific tolerances and materials for demanding conditions. Knowing these codes allows you to select the right bearing for each piece of equipment.

In Argentine industry, SKF deep groove ball bearings are used in a wide variety of applications: low and medium power electric motors, centrifugal pumps, gearboxes, conveyors, fans and machine tools. They are also present in the food, chemical and petrochemical sectors, where corrosion resistance and reliability are critical. Their versatility makes them a common choice for replacements and maintenance projects in industrial plants throughout the country.

To select the right bearing, take into account radial and axial load, rotation speed and environmental conditions. The sealing (Z, 2Z, RS, 2RS) defines the level of protection against dust and moisture; choose the most suitable one according to how clean the environment is. Internal clearance (C2, CN, C3, C4) must compensate for thermal differences between rings and housings. Lubrication can be grease or oil, and it is essential to maintain alignment between shaft and housing to avoid additional stresses. Careful mounting extends bearing service life.

When replacing a bearing, it is common to find equivalences between different brands. Although the main dimensions usually match, always verify the suffixes and tolerances, as they can vary between manufacturers. The SKF bearings we sell are genuine and maintain the brand's specifications. If you need assistance identifying interchangeability, our technical team can help you based on the code engraved on the bearing or the housing dimensions.

To request a quote for the bearing you need, send us the full code on WhatsApp. At MR Accesorios Industriales we advise you so you can find the exact configuration your equipment requires. We are here to help you keep your production running.

Other SKF versions of the 6312 series

These versions of the 6312 series appear in SKF catalogues and do not have their own page on this site. Ask us about any of them with the part number: we will source it and send you a quote.

  • SKF 6312 N

Dimensions

Boundary dimensions of the basic designation 6312 per ISO 15: 60 x 130 x 31 mm (d x D x B).

Bore
60mm
Outside diameter (D)
130mm
Width (B)
31mm

The same size in 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.

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 6312-Z/HC5C3 bearing?
The SKF 6312-Z/HC5C3 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 Z suffix mean on an SKF bearing?
The Z suffix indicates that the bearing has a non-metallic side seal on one side. This seal protects against dust ingress and retains lubrication, extending service life in environments with moderate contamination. If you need protection on both sides, look for the 2Z variant.
How do I choose the right internal clearance for my application?
Internal clearance is selected according to temperature conditions and the fit between rings. For applications with significant thermal differences between shaft and housing, a larger clearance such as C3 is recommended. Under normal conditions, standard CN clearance is usually sufficient. Ask us if you have any doubts.
Are the SKF bearings you sell genuine?
Yes, we sell genuine SKF bearings. You can verify authenticity through the code and the packaging. Request a quote on WhatsApp for the part number you need.
Request a quote for 6312-Z/HC5C3 via WhatsApp
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