SKF 6018-2RS1/MTF3 deep groove ball bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
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Decoding SKF 6018-2RS1/MTF3
- 60Series
- Deep groove ball bearings, 60 series. Series differ in outside diameter and width even when the bore is the same.
- 18Bore
- Bore 90 mm (18 × 5).
- 2RS1/MTF3Suffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
6018 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF 6018-2RS1/MTF3 measures 90 mm across the bore and 140 mm across the outside diameter; its width is 24 mm (90 x 140 x 24 mm).
SKF 6018-2RS1/MTF3 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 6018-2RS1/MTF3 and any equivalents.
For equipment that needs to run smoothly at speed while keeping grease in and contaminants out, the SKF RS/MTF deep groove ball bearing is a single row design with seals on both sides and a factory-set lubricant. You will find it in electric motors, pumps, fans and machine tools, where low friction and protection go hand in hand. MR Industrial Accessories LLC supplies this line to industrial buyers across the United States and Latin America.
Reading the code helps you order the right variant. The RS portion tells you the bearing carries rubber seals on both sides, so the lubricant stays inside and dust or moisture stay outside. MTF points to a specific factory grease, often chosen for particular temperature or speed demands. Take 6018-2RS1/MTF3: 6018 sets the size, while the suffixes define sealing and lubrication.
These bearings suit clean-operation environments where keeping lubricant in place matters. Typical installations include food-industry motors, centrifugal pumps, induced draft fans, conveyor lines and machine tools. In mining and cement plants, where fine dust is always present, the double-sided seal helps, as long as you stay within speed and temperature limits.
Selection comes down to internal clearance, seal type and lubricant. Because the RS seal makes contact, it blocks more contamination but adds friction; for very high speeds, consider whether a non-contact seal fits better. The MTF grease is set at the factory and should not be mixed with other greases. During mounting, align shaft and housing carefully and avoid impacts that could harm seals or raceways.
When looking at equivalents, other brands offer deep groove ball bearings with two-sided sealing under similar codes, though suffixes differ — 2RS, 2RSH or DDU, for example. If bore, outer diameter and width match, dimensional interchange is usually possible, but sealing and lubrication conditions may not be the same. Check the original manufacturer's data sheet before swapping brands.
To request this SKF RS/MTF series bearing, send the full code by WhatsApp or email. MR Industrial Accessories LLC can help you pick the correct variant for your application and explain any suffix you are unsure about.
More SKF versions in the 6018 series
SKF lists these 6018 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 6018 N
Dimensions
90 x 140 x 24 mm (d x D x B): boundary dimensions for basic designation 6018, according to ISO 15.
- Bore
- 90mm
- Outside diameter (D)
- 140mm
- Width (B)
- 24mm
Same size, other brands
Other brands' pages with basic designation 6018: 90 x 140 x 24 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 6018-2RS1/MTF3 bearing: what are its dimensions?
- SKF 6018-2RS1/MTF3 measures 90 mm across the bore and 140 mm across the outside diameter; its width is 24 mm (90 x 140 x 24 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation 6018.
- What does the RS suffix mean on an SKF bearing?
- RS indicates rubber seals on both sides. They keep lubricant in and contaminants such as dust and moisture out, which is common in dirty environments.
- What is the difference between a sealed and a shielded bearing?
- A sealed bearing (RS) uses rubber seals that contact the inner ring, offering better sealing but more friction. A shielded one (ZZ) uses metal shields without contact, with lower friction but less protection. The choice depends on the environment and the speed.
- Can I replace an SKF RS/MTF bearing with one from another brand?
- Yes, if the main dimensions (bore, outer diameter and width) match and the sealing and lubrication conditions are compatible. Always verify the replacement's data sheet, because suffixes and lubricants may vary between manufacturers.