SKF 6205 ETN9/C4 deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
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Decoding SKF 6205 ETN9/C4
- 62Series
- Deep groove ball bearings, 62 series. Series differ in outside diameter and width even when the bore is the same.
- 05Bore
- Bore 25 mm (05 × 5).
- ETN9/C4Suffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
6205 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 6205 ETN9/C4 measures 25 mm across the bore and 52 mm across the outside diameter; its width is 15 mm (25 x 52 x 15 mm).
SKF 6205 ETN9/C4 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 6205 ETN9/C4 and any equivalents.
The SKF ETN9/C deep groove ball bearing handles radial and axial loads in both directions. Its polyamide cage and graded balls support high speeds with low friction, making it a common choice for electric motors, pumps, fans and transmissions where continuous operation matters. MR Industrial Accessories supplies this brand to customers across the United States and in several Latin American countries.
Reading the code helps you order the right variant. ETN9 points to a glass fiber reinforced polyamide cage built for high speeds and moderate temperatures. The C suffix, followed by a number such as C3 or C4, sets the internal radial clearance. So a 6203 ETN9/C4 runs with more clearance than standard, which suits interference fits or temperature differences between shaft and housing. The 6205 ETN9/C3 and 6205 ETN9/C4 share bore and outside diameter, and differ only in internal clearance for the job at hand.
Typical applications include low and medium power electric motors, centrifugal pumps, industrial fans, compressors and machine tools. They also appear in automotive, metallurgical, food and petrochemical plants. Because they run at high speed with low noise, they fit equipment where vibration control and predictive maintenance programs are priorities.
Selection comes down to clearance and lubrication. Choose C3 when fits on the shaft or housing are tight, or when operating temperature goes above 100 °C; choose C4 for more severe conditions. Use high-speed grease for standard duty or circulating oil where required. Check shaft and housing alignment, since even small misalignment shortens service life despite the bearing's tolerance for it.
On interchangeability, SKF deep groove ball bearings can be swapped with other brands that follow the same dimensional designation, such as the 62 series. Special designs like ETN9/C do not always have a direct equivalent, so confirm tolerances and radial clearance before substituting.
To request a quote, send the complete part number to MR by WhatsApp or email. The team replies promptly, suggests equivalents where needed and helps you pick the right design for your application.
Dimensions
25 x 52 x 15 mm (d x D x B): boundary dimensions for basic designation 6205, according to ISO 15.
- Bore
- 25mm
- Outside diameter (D)
- 52mm
- Width (B)
- 15mm
Same size, other brands
Other brands' pages with basic designation 6205: 25 x 52 x 15 mm (d x D x B) per ISO 15.
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 6205 ETN9/C4 bearing: what are its dimensions?
- SKF 6205 ETN9/C4 measures 25 mm across the bore and 52 mm across the outside diameter; its width is 15 mm (25 x 52 x 15 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 6205.
- What does ETN9 mean in an SKF bearing?
- ETN9 identifies a glass fiber reinforced polyamide cage made for high speeds and good thermal resistance. It is a frequent design in deep groove ball bearings for demanding duty.
- What is the difference between C3 and C4?
- C3 and C4 define internal radial clearance. C3 is greater than standard and C4 is greater still. The choice depends on mounting fit and thermal conditions, so excessive preload is avoided.
- Can I replace an SKF ETN9 with another brand?
- Yes, if the other brand offers the same dimensional designation and equivalent radial clearance. Always verify tolerances and the special design, since ETN9 may not have an exact replacement.