SKF 6312-Z/HC5C3 deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
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Other brands for this category
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Decoding SKF 6312-Z/HC5C3
- 63Series
- Deep groove ball bearings, 63 series. Series differ in outside diameter and width even when the bore is the same.
- 12Bore
- Bore 60 mm (12 × 5).
- Z/HC5C3Suffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
6312 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 6312-Z/HC5C3 measures 60 mm across the bore and 130 mm across the outside diameter; its width is 31 mm (60 x 130 x 31 mm).
SKF 6312-Z/HC5C3 belongs to deep groove ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 6312-Z/HC5C3 and any equivalents.
The SKF deep groove ball bearing handles radial and axial loads in rotating equipment. Its single-row ball design with deep raceways supports high-speed operation with minimal maintenance. You will find it in electric motors, pumps, fans and other industrial machinery where precision and reliability matter. MR Industrial Accessories supplies this brand so you can match the right configuration to your application.
The part number 6312-Z/HC5C3 tells you what you are getting. The 63 series is a medium section that balances load capacity and permissible speed. Suffix Z means a non-metallic side seal on one side, which keeps contaminants out and lubricant in. HC5 indicates a special execution with specific tolerances and materials for demanding conditions. C3 is the internal clearance. Reading these codes helps you choose the correct bearing for each machine.
These bearings are common in low and medium power electric motors, centrifugal pumps, gearboxes, conveyors, fans and machine tools. They also appear in food, chemical and petrochemical operations where corrosion resistance and reliability are critical. Their versatility makes them a frequent choice for replacements and maintenance projects in plants across the United States and Latin America.
Selection depends on radial and axial load, rotation speed and the environment. The seal type (Z, 2Z, RS, 2RS) determines protection against dust and moisture; pick the one that matches how clean the area is. Internal clearance (C2, CN, C3, C4) must account for temperature differences between rings and housings. Lubrication can be grease or oil. Keeping the shaft and housing aligned avoids extra stress. Careful mounting extends bearing life.
When replacing a bearing, you may find equivalents from other brands. Main dimensions often match, but always check suffixes and tolerances because they can differ between manufacturers. The SKF bearings we supply meet the brand's specifications. If you need help with interchangeability, our team can assist using the code on the bearing or the housing dimensions.
To request a quote, send the full code on WhatsApp. At MR Industrial Accessories we help you find the exact configuration your equipment requires so you can keep production running.
More SKF versions in the 6312 series
SKF lists these 6312 series versions in its catalogs, but they don't have a page on this site. Send us the part number of any of them and we'll find it and quote it.
- SKF 6312 N
Dimensions
60 x 130 x 31 mm (d x D x B): boundary dimensions for basic designation 6312, according to ISO 15.
- Bore
- 60mm
- Outside diameter (D)
- 130mm
- Width (B)
- 31mm
Same size, other brands
Other brands' pages with basic designation 6312: 60 x 130 x 31 mm (d x D x B) per ISO 15.
- FAG6312-C6312-C-2Z6312-C-2HRS
- KOYO6312
- NSK63126312 ZZ
- NTN63126312ZZ6312LLB3 more →
- RKB6312
- TIMKEN63126312MB
What they share are the ISO 15 boundary dimensions, not the specs: seals or shields, internal clearance, cage and load rating may vary with brand and suffix. Every quote is by full part number.
Frequently asked questions
- SKF 6312-Z/HC5C3 bearing: what are its dimensions?
- SKF 6312-Z/HC5C3 measures 60 mm across the bore and 130 mm across the outside diameter; its width is 31 mm (60 x 130 x 31 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 6312.
- What does the Z suffix mean on an SKF bearing?
- The Z suffix means the bearing has a non-metallic side seal on one side. This seal blocks dust and retains lubrication, which helps in moderately contaminated environments. For protection on both sides, choose the 2Z variant.
- How do I choose the right internal clearance for my application?
- Internal clearance depends on temperature conditions and the fit between rings. If there are 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 are unsure.
- 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.