SKF 6204-2RSHNR deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
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Decoding SKF 6204-2RSHNR
- 62Series
- Deep groove ball bearings, 62 series. Series differ in outside diameter and width even when the bore is the same.
- 04Bore
- Bore 20 mm (04 × 5).
- 2RSHNRSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
6204 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 6204-2RSHNR measures 20 mm across the bore and 47 mm across the outside diameter; its width is 14 mm (20 x 47 x 14 mm).
SKF 6204-2RSHNR 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 6204-2RSHNR and any equivalents.
SKF 2RSHNR deep groove ball bearings come with two rubber seals and a retaining ring on the outer ring. The ring allows axial fixing in housings that lack a shoulder, which simplifies mounting. Typical uses include electric motors, pumps, and light transmissions where protection from contaminants is needed.
The part number breaks down into three parts. The base number, such as 6004, 6205, or 6304, defines the size and dimension series. The 2RSH suffix means two rubber seals, one per side, keeping grease in and dust or moisture out. The NR suffix indicates a groove on the outer ring and a supplied retaining ring for axial location. So 6004-2RSHNR is a sealed bearing with a ring, and the same logic applies to other sizes in the series.
These bearings appear in low and medium power electric motors, centrifugal pumps, gearboxes, fans, conveyors, and agricultural machinery. The double sealing suits dusty, chip-prone, or splash-exposed environments as long as speeds stay moderate. The retaining ring is especially useful in split housings or housings without a shoulder, because it holds the bearing in place and reduces design complexity.
When selecting, consider radial and axial loads, rotation speed, and operating conditions. The 2RSH seal is factory-lubricated and needs no additional maintenance; for high-temperature or high-speed applications, evaluate other variants. During mounting, align shaft and housing carefully and avoid striking the seals. Fit the retaining ring into the outer ring groove and seat it against the housing face; ensure the groove is clean and free of burrs.
Interchangeability: deep groove ball bearings with seals and a retaining ring from different brands are often interchangeable if main dimensions and fixing type match. For example, another brand's 2RS and NR suffixes may replace an SKF 2RSHNR, but always confirm tolerances and internal clearance. Nomenclature varies, so verify the complete part number and dimensions before replacing.
To replace a bearing of this type, send the part number stamped on the ring or the main dimensions (inner diameter, outer diameter, and width) via WhatsApp or email. MR Industrial Accessories helps you identify the exact reference and provides a quote. We supply SKF and other brands to match your equipment needs.
More SKF versions in the 6204 series
SKF lists these 6204 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 6204 N
Dimensions
20 x 47 x 14 mm (d x D x B): boundary dimensions for basic designation 6204, according to ISO 15.
- Bore
- 20mm
- Outside diameter (D)
- 47mm
- Width (B)
- 14mm
Same size, other brands
Other brands' pages with basic designation 6204: 20 x 47 x 14 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 6204-2RSHNR bearing: what are its dimensions?
- SKF 6204-2RSHNR measures 20 mm across the bore and 47 mm across the outside diameter; its width is 14 mm (20 x 47 x 14 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 6204.
- What does the 2RSHNR suffix mean on an SKF bearing?
- The 2RSH suffix indicates two rubber seals, one on each side, protecting against contaminants. NR means the outer ring has a groove with a retaining ring for axial fixing. Together, they identify a sealed bearing with a ring.
- Can they be replaced by bearings from other brands?
- Yes, if the main dimensions and the type of sealing and fixing match. A bearing with equivalent suffixes (e.g., 2RS and NR) from another brand may be interchangeable, but verify tolerances and internal clearance before installing.
- Do these bearings need maintenance?
- No, bearings with 2RSH sealing come lubricated for life and do not require relubrication. Check that the seals are not damaged and that mounting is correct to prevent grease leaks or dirt entry.