SNI- SN Plummer Block Housings
SNI and SN -Plummer Block Housings are split bearing housings for the fitting of self aligning ball or spherical bearings which are fixed to the shaft either by shrink fitting or with an adapter sleeve. They are designed for grease lubrication only and can be supplied with lubrication holes if required. the dimensions of SNI-Housings comply with specifications laid down in DIN 736 and 737,whereas those of SN- Housings correspond to DIN 736 till 739.
The bearing seat of SNI-Housings is manufactured in tolerance H8, that of SN- Housings in tolerance H7. A locating bearings is obtained by fitting one or two fixing rings between housings shoulder and bearing outer ring.
These Plummer Block Housings are supplied as standard with felt seals. For special applications such as high temperatures, heavy dirt loads etc, it is possible to fit these housings with a variety of seal arrangements.
When used as an end bearing ( arrangement A ) a cover plate is supplied for one side instead of the normal seal.
Under the reference SSNI these housings can be supplied with reinforced base. Normally the housings do not have holes in the base. On request however they can be supplied with eithtr 2 or 4 mounting holes.
osztott, álló csapágyházak / SN, SNI tipusok (pdf, 647 KB)