NACHI 6206NRC3 Open Deep Groove Ball Bearing 30x62x16 mm, C3, snap ring
Available
The NACHI 6206NRC3 is a single row deep groove ball bearing with open (no seals or shields) and a snap ring groove with snap ring fitted. It measures 30 x 62 x 16 mm (bore x outer diameter x width) and carries a basic dynamic load rating of 19,500 N and a basic static load rating of 11,300 N.
Deep groove bearings are the most widely used ball bearing type: they carry radial, axial and combined loads and run at high speed with high running accuracy. This one has a radial internal clearance of C3 (13 to 28 µm radial).
Where this product is used
- Electric motors and generators
- Pumps, fans and blowers
- Gearboxes and industrial transmissions
- Conveyor rollers, idlers and pulleys
- Power tools, appliances and general industrial machinery
Features
- Open design with no seals or shields: lowest friction, oil or grease lubrication, and the oil limiting speed applies
- Carries radial, axial and combined loads, with high running accuracy and high speed capability
- Snap ring groove with snap ring fitted in the outer ring (NR), which simplifies housing design and mounting
- C3 radial internal clearance (13 to 28 µm for a 30 mm bore), larger than Normal
- Basic dynamic load rating 19.5 kN, static 11.3 kN, with NACHI boundary dimensions to the ISO/JIS standard plan
Key specifications
| Specification | Detail |
|---|---|
| Model | 6206NRC3 |
| Type | Single row deep groove ball bearing |
| Bore d | 30 mm |
| Outer diameter D | 62 mm |
| Width B | 16 mm |
| Seals / shields | Open (no seals or shields) |
| Outer ring | Snap ring groove with snap ring fitted (NR) |
| Radial internal clearance | C3 (13 to 28 µm radial) |
| Basic dynamic load rating Cr | 19,500 N |
| Basic static load rating Cor | 11,300 N |
| Limiting speed, grease | 11,000 rpm |
| Limiting speed, oil | 13,000 rpm |
| Mass | 0.199 kg |
| Shaft shoulder diameter da (min) | 36 mm |
| Housing shoulder diameter Da (max) | 56 mm |
| Fillet radius ra (max) | 1 mm |
Selecting the right option
Open bearings suit housings that provide their own sealing and lubrication, and are the only type with an oil lubrication speed. For clean, well-protected housings they give the lowest friction.
Fitting and use
Check the load and speed against the catalogue figures in the table before ordering, and apply a suitable safety factor. These bearings must always carry a minimum radial load so the balls roll rather than slide, and heavy axial loads should be checked with AIMS before ordering.
Press the ring that is being fitted, not the other ring or the balls: force goes through the side face of the inner ring on a shaft and the outer ring in a housing.
Related products
The same NACHI deep groove range is also available with other closures: NACHI open C3 deep groove ball bearings (28 sizes), NACHI double shielded C3 deep groove ball bearings (1 size) and NACHI double contact sealed C3 deep groove ball bearings (3 sizes).
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