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Housing variants

In addition to standard design SNLN 30 housings, a number of variants are also available. Variants include housings made of different materials, alternative attachment bolt hole configurations, different bearing seat tolerance classes, and modifications for special applications.

Housing material

For applications where extra strength is needed, SNLN 30 housings are also available in spheroidal graphite cast iron. These housings are supplied with a solid base, designation SSNLND.

Attachment bolt holes

SNLN 30 plummer block housings can be supplied with the following bolt hole configurations:
  • four drilled holes
    These variants are available for housings with two cast bolt holes, designation SNLN, and for housings made of spheroidal graphite cast iron with a solid base, designation SSNLND.

    Dimensions are listed in table 1. These housings have the designation suffix /MS2.

  • two drilled holes
    These variants are available for housings made of spheroidal graphite cast iron with a solid base, designation SSNLND.

    Dimensions are listed in table 1. These housings have the designation suffix /MS1.

Bearing seat tolerance

SNLN 30 housings can be supplied with different bearing seat tolerance classes, e.g. for applications prone to vibration, with rotating outer ring load or for applications operating at high temperatures.
For additional information, contact the SKF application engineering service.
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