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Brand: SKF
SKF 6205-2RSH/C3 Sealed Deep Groove Ball Bearing
Description
A small sealed ball bearing with C3 clearance for motors, pumps and fans
The SKF 6205-2RSH/C3 is a single row deep groove ball bearing with a 25 mm bore, 52 mm outside diameter and 15 mm width, sealed on both sides and supplied greased. It belongs to the SKF Explorer class and carries a radial internal clearance greater than normal (C3). This is one of the most commonly ordered small bearings in industry: it sits in fractional and small integral horsepower electric motors, pump drives, fans, conveyors rollers and general machinery where the bearing must be maintenance free.
The integral contact seals keep the grease in and contaminants out, so the bearing does not need relubrication and can be fitted without a separate sealing arrangement. Like all deep groove bearings it accommodates radial loads and axial loads in both directions.
Technical specifications
| Parameter | Specification |
|---|---|
| Designation | 6205-2RSH/C3 |
| Product type | Single row deep groove ball bearing with seals |
| SKF performance class | SKF Explorer |
| Bore diameter | 25 mm |
| Outside diameter | 52 mm |
| Width | 15 mm |
| Basic dynamic load rating | 14.8 kN |
| Basic static load rating | 7.8 kN |
| Reference speed | 28 000 r/min |
| Limiting speed | 8 500 r/min |
| Number of rows | 1 |
| Bore type | Cylindrical |
| Cage | Sheet metal |
| Radial internal clearance | C3 |
| Material | Bearing steel |
| Sealing | Seal on both sides, contact type |
| Lubricant | Grease; no relubrication feature |
| Filling slots / locating feature | Without / without |
| Net weight | 0.129 kg |
| eClass / UNSPSC | 23-05-08-01 / 31171504 |
Decoding 6205-2RSH/C3
The first digits, 62, define the single row deep groove type in the 62 dimension series, and 05 means a 25 mm bore (the bore code multiplied by five). The suffix 2RSH identifies a contact seal on both sides, and /C3 identifies radial internal clearance larger than normal. The product page lists the bearing as cylindrical bore, sheet metal cage, steel material, no coating and no relubrication feature.
A C3 bearing is the usual choice for electric motors because the clearance leaves room for the interference fit of the inner ring and for the temperature difference between the rings in service. Where a bearing runs close to the limit of the clearance range, the SKF Explorer brochure advises considering the stabilisation class and the lubricant together.
Selection and ordering checklist
Contact seals give the best grease retention and dust and water exclusion among the SKF seal options, but they add friction, and that is why the limiting speed of 8 500 r/min is lower than the 28 000 r/min reference speed of the shielded range. If your application runs faster, ask for a shield or low-friction seal version. If the bearing is mounted in a drive-fed motor, check whether an insulated or hybrid variant is needed.
Check the shaft and housing tolerances, the actual operating temperature, the grease required and the quantity. SKF also lists an indicative carbon footprint of 0.48 kg CO2e for a new product of this size, which some customers request for sustainability reporting. A larger sibling of the same type on this site is the SKF 6206-2RS1; see also Electric Motors for other bearing items.
Documents and quotation
The attached SKF brochure on Explorer deep groove ball bearings explains the seals, cages and greases behind this type. Dimensions, ratings and logistics data in the table come from the SKF product page. Send the full designation and the quantity to Seven Star LLC for a quotation from an independent supplier in Muscat.
Datasheets & Documents
- Datasheet SKF Explorer deep groove ball bearings brochure (series features, seals, cages, greases) Download
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About brand
SKF is the Swedish bearing manufacturer founded in Gothenburg in 1907. The company was built on the self-aligning ball bearing developed by engineer Sven Wingquist, who became its first managing director. Today SKF also makes seals, lubrication systems, condition monitoring equipment and maintenance tools.
Seven Star LLC is an independent supplier in Muscat. We list SKF bearings, greases, automatic lubricators, condition monitoring sensors and maintenance tools, and supply them to maintenance teams in Oman and the GCC by designation.
SKF company profile
| Established | 1907, Gothenburg, Sweden; first factory built in 1908 |
|---|---|
| Founding product | Sven Wingquist's self-aligning ball bearing |
| Name | From Svenska Kullagerfabriken, Swedish for "Swedish Ball Bearing Factory" |
| Product families | Rolling bearings, seals, lubricants and lubrication systems, condition monitoring sensors and analysers, and maintenance tools for mounting, alignment and dismounting |
Milestones
- 1907: Sven Wingquist's self-aligning ball bearing is patented and SKF is founded in Gothenburg.
- 1908: The first factory is built.
- 1912: SKF is represented in 32 countries.
- 1926: SKF sets up AB Volvo as a subsidiary to build cars; the first production car follows in 1927.
- 1935: Volvo becomes an independent company.
SKF products we list
| Family | Models | Typical use |
|---|---|---|
| Bearings | 6205-2RSH/C3, 6206-2RS1, 6314, 7312 BECBM | Motors, pumps, fans and gearboxes |
| Greases | LGMT 2, LGMT 3, LGEP 2, LGWA 2, LGHP 2, LGHB 2, LGEV 2 | General, heavy-load, high-temperature and slow-speed bearing lubrication |
| Automatic lubrication | TLSD, LAGD 125 (ATEX), TLMR, TLMP 1008, TLGH 1 grease gun | Steady greasing of hard-to-reach or many lubrication points |
| Condition monitoring | Microlog Analyzer AX, CMSS 2200, CMSS 793-EE (ATEX), TKRS 21 stroboscope, TKRT 31 tachometer | Vibration routes, permanent sensors and speed checks |
| Alignment | TKSA 41 shaft alignment, TKBA 40 belt alignment, TMAS shims | Laser alignment of couplings and belt drives |
| Mounting and dismounting | TIH 030m, TIH 100m, TIH 220m heaters, TMFT 36, TMMA 75H, TMMP 10, TMHP 30/170 pullers, TMJL 100 pump | Fitting and removing bearings without damage |
An SKF designation describes the bearing exactly. In 6205-2RSH/C3, "62" is a light-series deep groove ball bearing, "05" means a 25 mm bore (05 × 5), "2RSH" means rubber seals on both sides, and "C3" means internal clearance larger than normal, which motors often need because the inner ring runs warmer than the outer. Choosing the right grease matters just as much: a general grease such as LGMT 2 suits most motors, while heavy loads, high temperatures or slow speeds need an EP, high-temperature or high-viscosity grade.
Where SKF products are used
In Oman and the GCC, SKF bearings, lubricants and tools are used by maintenance teams in oil and gas, power and desalination, cement, mining, steel, water and food plants, and by motor and pump repair workshops.
Ordering SKF products: what we need
Send the full bearing designation including all suffixes (seals, clearance, cage), and the quantity. For greases, send the grade and pack size. For tools and lubricators, send the model and, for heaters, the largest bearing weight and bore you need to heat.
Facts checked against SKF company history, October 2026.
Browse SKF products by category: Electromotors.
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Frequently Asked Questions
What do the suffixes in 6205-2RSH/C3 mean?
2RSH is a contact seal on both sides and C3 is a radial internal clearance greater than normal. 6205 itself is the 25 mm bore deep groove bearing.
What are the dimensions of the 6205-2RSH/C3?
Bore 25 mm, outside diameter 52 mm, width 15 mm. SKF lists a net weight of 0.129 kg.
Can this bearing be relubricated?
No. It is sealed on both sides, greased and has no relubrication feature, so it is intended to run maintenance free.
What are the load ratings?
The basic dynamic load rating is 14.8 kN and the basic static load rating is 7.8 kN.
What speed limits does SKF give?
The reference speed is 28 000 r/min and the limiting speed is 8 500 r/min for this sealed version.
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