Page 155 - SKF-bearing-housings

Split plummer block housings

SNLN 30 series

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SNLN 30 plummer (pillow) block housings
Bearing types are robust and versatile housings. They are
• Spherical roller bearings designed for bearings in the 30 dimension
• CARB toroidal roller bearings
series, and can also accommodate some bear-
ings in the 40 dimension series for mounting
Bearing dimension series on a cylindrical shaft seat. They enable the
• 30, 40
incorporated bearings to achieve maximum
service life with less need for maintenance.
Shaft diameter range Different housing variants and seal designs
• 110 to 280 mm
are available, making the use of tailored hous-
ings virtually unnecessary and enabling cost-
Typical shaft-bearing combinations effective bearing arrangements to be made.
• Plain shaft with bearing on an adapter
sleeve
• Stepped shaft with bearing on a
cylindrical seat
Seals
• Four-lip • V-ring
• Labyrinth • Heavy-duty
• Felt
Lubrication
• Grease

Materials
• Grey cast iron
• Spheroidal graphite cast iron
Mounting
• Two-bolt mounting
• Four-bolt mounting
Compliance to standards
• ISO 113
(two-bolt plummer block housings)
Supersedes
• SN 30 series

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