SKF 6304 2ZNRJEM 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 6304 2ZNRJEM
- 63Series
- Deep groove ball bearings, 63 series. Series differ in outside diameter and width even when the bore is the same.
- 04Bore
- Bore 20 mm (04 × 5).
- 2ZNRJEMSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
6304 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 6304 2ZNRJEM measures 20 mm across the bore and 52 mm across the outside diameter; its width is 15 mm (20 x 52 x 15 mm).
SKF 6304 2ZNRJEM 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 6304 2ZNRJEM and any equivalents.
The SKF ZNRJEM series is a deep groove ball bearing that comes with a snap ring and a shield. It suits assemblies where the bearing needs to be held axially in the housing without covers or extra machining. For shafts that require simple, dependable fixing, this design keeps installation straightforward.
The part number combines a base series code (6007, 6203, 6215, 6304, 6307 or 6309, for example) with suffixes that describe the execution. In ZNRJEM, the Z stands for the protective shield, NR for the snap ring, and JEM for a special execution that may include a groove for the ring and a steel cage. The base number sets the size and load capacity according to the 60, 62 or 63 series.
Typical uses include electric motors, pumps, fans, conveyors and agricultural machinery. Because the snap ring locates the bearing directly in the housing, assembly is simplified and the risk of axial displacement is reduced. These bearings are common where firm fastening is needed but installation must remain easy.
When selecting a bearing, check the shaft diameter, the load type (radial, axial or combined) and the operating environment. The Z shield keeps out dust and dirt, but it is not watertight; in moist conditions, consider a more robust seal. The snap ring requires a matching groove in the housing. During mounting, verify alignment and use adequate lubrication to help maximize service life.
SKF bearings of this series can be interchanged with other brands that follow the same standardized dimensions, such as FAG, NSK or NTN, as long as the base code and suffixes match. Tolerances and materials can differ between manufacturers, so verify compatibility before replacing. MR Industrial Accessories supplies SKF as a brand.
To request a quote for an SKF deep groove ball bearing with snap ring, send the complete part number via WhatsApp or email. The team can suggest equivalents and help you choose the right option for your application.
More SKF versions in the 6304 series
SKF lists these 6304 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 6304 ETN9
- SKF 6304 N
Dimensions
20 x 52 x 15 mm (d x D x B): boundary dimensions for basic designation 6304, according to ISO 15.
- Bore
- 20mm
- Outside diameter (D)
- 52mm
- Width (B)
- 15mm
Same size, other brands
Other brands' pages with basic designation 6304: 20 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 6304 2ZNRJEM bearing: what are its dimensions?
- SKF 6304 2ZNRJEM measures 20 mm across the bore and 52 mm across the outside diameter; its width is 15 mm (20 x 52 x 15 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 6304.
- What does the ZNRJEM suffix mean on an SKF bearing?
- ZNRJEM indicates a protective shield (Z), a snap ring (NR) and a special execution (JEM). This allows axial fixing in the housing and protection against contaminants.
- Is this bearing suitable for very humid environments?
- The Z shield protects against dust and dirt, but it is not watertight. For humid environments or liquids, consider a bearing with a 2RS type seal or contact us to evaluate an alternative.
- How do I order the SKF ZNRJEM bearing I need?
- Send the complete part number via WhatsApp or email, for example 6203 2ZNRJEM. We will quote it and advise you so you receive the correct product for your application.