SKF 6308-2RS1NTN9/C4 deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
We respond promptly.
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 6308-2RS1NTN9/C4
- 63Series
- Deep groove ball bearings, 63 series. For the same bore, each series has a different outside diameter and width.
- 08Bore
- 40 mm bore: 08 × 5.
- 2RS1NTN9/C4Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
6308 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF 6308-2RS1NTN9/C4 bearing has a 40 mm bore, a 90 mm outside diameter and a 23 mm width (40 x 90 x 23 mm).
SKF 6308-2RS1NTN9/C4 is a reference of deep groove ball bearing, within Bearings. Request a quote for 6308-2RS1NTN9/C4 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 industrial machinery. Its single-row ball design allows high speeds and low maintenance. It is used in electric motors, pumps, fans and conveyors. At MR Accesorios Industriales we sell SKF and advise you so you can choose the right sealing and lubrication for your application.
The designation of these bearings combines letters and numbers that indicate key characteristics. For example, the suffix 2RS1 indicates rubber seals on both sides, while NTN identifies the manufacturer. The slash and the code C4 indicate an internal clearance greater than normal. In the example 6308-2RS1NTN9/C4, the number 6308 corresponds to the dimension series, and the suffixes define sealing and clearance. Knowing these codes lets you select the right bearing for your equipment.
These bearings are used in a wide variety of industries in Argentina: from food and chemical plants to metalworking and maintenance workshops. They are common in electric motors, gearboxes, centrifugal pumps, compressors, conveyor belts and machine tools. Their ability to support combined loads and run at high speeds makes them versatile. In environments with dust or moisture, choosing the right sealing is critical to extending service life.
When selecting a deep groove ball bearing, take into account the load, the speed and the environmental conditions. The 2RS1 sealing offers good protection against contaminants, while open versions or versions with metal shields are for cleaner environments. Internal clearance, such as C4, is specified for applications with high temperatures or interference fits. Mounting must ensure alignment between shaft and housing, and lubrication must be suitable for the working temperature. Incorrect mounting shortens bearing life.
As for equivalents, deep groove ball bearings follow international dimension standards, so different brands can be interchanged if dimensions and suffixes match. However, always verify tolerances and internal clearance, as they can vary between manufacturers. Sealing and clearance codes are not universal; that is why it is important to confirm the full designation. At MR Accesorios Industriales we can help you find the right replacement for your original bearing.
If you need an SKF deep groove ball bearing, send us the full code on WhatsApp. At MR Accesorios Industriales we quote and advise you so you get the product your machine needs.
Dimensions
Boundary dimensions of the basic designation 6308 per ISO 15: 40 x 90 x 23 mm (d x D x B).
- Bore
- 40mm
- Outside diameter (D)
- 90mm
- Width (B)
- 23mm
The same size in other brands
Pages from other brands with the basic designation 6308: 40 x 90 x 23 mm (d x D x B) per ISO 15.
- FAG6308-C-2HRS6308-C6308-C-2Z
- KOYO6308
- NSK63086308 ZZ
- NTN6308LLB6308LLH6308LLU4 more →
- RKB6308
- TIMKEN6308
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 6308-2RS1NTN9/C4 bearing?
- The SKF 6308-2RS1NTN9/C4 bearing has a 40 mm bore, a 90 mm outside diameter and a 23 mm width (40 x 90 x 23 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 6308.
- What does the 2RS1 suffix mean on an SKF bearing?
- The 2RS1 suffix indicates that the bearing has rubber seals on both sides, which provides an effective barrier against dust, dirt and moisture. This makes it suitable for contaminated environments, although it can reduce the maximum permissible speed compared with open versions.
- How do I choose between normal clearance and C4?
- C4 clearance is greater than normal and is recommended when the bearing operates at high temperatures or when there are interference fits that reduce internal clearance. If your application is standard, normal clearance is usually sufficient. Contact us to evaluate your case.
- Can I replace an SKF bearing with another brand?
- Yes, if the main dimensions and the sealing and clearance suffixes match. International standards guarantee dimensional interchangeability, but always verify tolerances and internal clearance, as they can vary between manufacturers. We help you find the right equivalent.