Replacing a worn bearing in a power transmission setup usually comes down to two questions: what shaft size are you fitting, and what kind of load is doing the work? The SS6206-2RS and AXIS NU315 sit at different points in that decision. One is a compact sealed ball bearing sold as a 10-pack for 30 mm bore positions. The other is a much larger cylindrical roller bearing with a 75 mm inside diameter.
Quick Verdict
If your maintenance job is on the smaller side and you want multiple bearings on hand, the SS6206-2RS pack is the lower-price pick at $97.70. If you are replacing a cylindrical roller bearing, the AXIS NU315 at $206.87 is the bearing to match.
SS6206-2RS vs AXIS NU315 at a Glance
| Specification | SS6206-2RS | AXIS NU315 EMC3 |
|---|---|---|
| Price | $97.70 | $206.87 |
| Bearing type | Stainless sealed ball bearing | Cylindrical roller bearing |
| Bore / inside diameter | 30 mm | 75 mm |
| Outside diameter | 62 mm | 160 mm |
| Width / length through bore | 16 mm | 37 mm |
| Series | 6200 Series | NU300 Series |
| Price indicator |
Where Each Bearing Wins
The SS6206-2RS pack wins when you want multiple bearings in one purchase and a compact footprint. The AXIS NU315 wins when the shaft is larger and the application calls for a cylindrical roller bearing built for industrial replacement.
Product Notes
SS6206-2RS
Stainless steel construction and double rubber seals make this bearing a sensible fit for positions where contamination is a concern. The multi-bearing pack format gives you several spares for routine maintenance work, and the ABEC 1 rating provides a standard tolerance class to compare against. The main limitation is its smaller geometry: it will not fit the larger shaft the NU315 is designed for, and as a ball bearing it is not a substitute for a cylindrical roller bearing.
AXIS NU315 EMC3 Cylindrical Roller Bearing
This bearing is positioned for heavy-duty industrial replacement work on conveyors, drives, and maintenance applications across manufacturing and material handling. It is the much larger option in this pair, so it only makes sense when the surrounding shaft and housing are sized for it. The tradeoff is that its larger envelope will not help if the job calls for the compact 6200 Series ball bearing.
Final Choice by Use Case
Choose the SS6206-2RS ball bearing if your setup needs a compact option for routine replacement work. Choose the AXIS NU315 if your replacement job centers on a cylindrical roller bearing for conveyor or drive maintenance.
