| | SW48 3" Bore linear motion ball bushings/bearings, innerdiameter(bore) is 3" inch dimensions with steelretainer, Bearing is a high accuracy grade linear bushings,series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.- Item: SW48 Linear Motion Ball Bushings
- Type: NB Systems Ball Bushings Linear Motion
- Number of ball circuits: 6
- Size: 3" x 4 1/2" x 6" inch
- Inner Diameter: 3" inch
- Outer Diameter: 4 1/2" inch
- Length: 6" inch
- Quantity: One Bearing
- Dynamic load rating: 7,350 N
- Static load rating: 16,000 N
| Major dimensions and tolerance (inch) | Eccentricity | Radial clearance (inch) | | dr | D | L | B | W | D1 | Precision (inch) | High (inch) | | inch | tolerance | inch | tolerance | inch | tolerance | inch | tolerance | | Precision | High | | 3" | 0-.0004 | 0-.0006 | 4.5" | 0-.0009 | 6" | 0-.016 | 4.726" | 0-.016 | 0.12 | 4.31 | .0007-17 | .0010-35 | .0008-20 | |