
SKF 3306 E/C3 double row angular contact ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Double row angular contact ball bearings
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity you need.
Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
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 SKF 3306 E/C3
- 33Series
- Double row angular contact ball bearings, 33 series. For the same bore, each series has a different outside diameter and width.
- 06Bore
- 30 mm bore: 06 × 5.
- E/C3Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
3306 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF 3306 E/C3 bearing has a 30 mm bore, a 72 mm outside diameter and a 30.2 mm width (30 x 72 x 30.2 mm).
SKF 3306 E/C3 is a reference of double row angular contact ball bearing, within Bearings. Request a quote for 3306 E/C3 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF double row angular contact bearings are a compact solution for shafts that must withstand radial and axial loads in both directions. Their two-row ball design provides higher load capacity than a single row bearing of the same size. They are used in applications where axial space is limited and rigidity is required. MR Accesorios Industriales sells this line, with technical advice to choose the right part number.
The designation of these bearings combines a four-digit basic number with suffixes that indicate specific features. For example, in 3208 E/C3, the 3208 identifies the size and series, the E indicates an execution with higher-capacity balls, and C3 indicates an internal radial clearance greater than standard. In 3306 E/C3 and 3316 E/C3 the same pattern repeats: basic number, E and C3. Knowing these suffixes is key to ordering the correct replacement.
These bearings are used in industries such as food, chemical and metallurgical, in equipment such as centrifugal pumps, fans, small compressors, machine tools and conveyors. In Argentina, they are commonly found in packaging lines, mills and transmission systems that require robust, low-maintenance support. Their double row makes them suitable for shafts where combined loads are frequent.
To select the right bearing, take into account the radial and axial load, the rotation speed and the environmental conditions. The C3 suffix is useful when the fit is tight or there are thermal gradients, since it prevents excessive preload. During assembly, ensure correct alignment between housing and shaft, and check the sealing: if the environment has dust or moisture, consider variants with seals. Lubrication must be the one indicated by the manufacturer for each application.
When replacing a bearing, it is important to understand that designations can vary between manufacturers. An SKF part number such as 3208 E/C3 may have equivalents in other brands, but they do not always match exactly in suffixes or internal clearance. Therefore, always verify the critical dimensions and operating conditions before substituting. MR Accesorios Industriales can help you find the right interchangeability without compromising performance.
If you need a quote for an SKF double row angular contact bearing, send us the complete part number on WhatsApp. At MR Accesorios Industriales we advise you so you choose the option that best suits your equipment. We combine technical experience and personalized attention so your plant keeps running without delays.
Dimensions
Boundary dimensions of the basic designation 3306 per ISO 15: 30 x 72 x 30.2 mm (d x D x B).
- Bore
- 30mm
- Outside diameter (D)
- 72mm
- Width (B)
- 30.2mm
Frequently Asked Questions
- What are the dimensions of the SKF 3306 E/C3 bearing?
- The SKF 3306 E/C3 bearing has a 30 mm bore, a 72 mm outside diameter and a 30.2 mm width (30 x 72 x 30.2 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 3306.
- What does the C3 suffix mean on an SKF bearing?
- The C3 suffix indicates an internal radial clearance greater than standard. It is used when the bearing will operate with tight fits or temperature differences between shaft and housing, to prevent the balls from becoming preloaded and overheating.
- How do I know if a double row bearing replaces a single row one?
- They are not always directly interchangeable. The double row one withstands higher radial and axial loads, but may have different dimensions and rigidity. Verify the shaft and housing dimensions, and consult us with the original part number to evaluate the equivalence.
- What lubrication do you recommend for these bearings?
- Lubrication depends on speed, temperature and environment. For general applications, a good quality lithium grease is usually suitable. Under extreme conditions, consult the manufacturer's data sheet or contact us for advice according to your equipment.

