Page 59 - SKF-bearing-housings

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Split plummer block housings

SNL 2, 3, 5 and 6 series

SNL plummer block housings are the most
Bearing types popular SKF bearing housings on the market,
• Self-aligning ball bearings developed to be the first choice for design,
• Spherical roller bearings quality and economy.
• CARB toroidal roller bearings
SNL plummer block housings enable the
Bearing dimension series incorporated bearings to achieve maximum
• 02, 03, 22, 23, 32 service life with less need for maintenance.
Different housing variants and seal designs
Shaft diameter range are available, making the use of tailored hous-
• 20 to 30 mm and 60 to 160 mm ings virtually unnecessary and enabling cost-
• 3 /4 to 1 1 /8 in. and 2 1 /2 to 5 1 /2 in. effective bearing arrangements to be made.
For sizes 507 up to and including 515-612,
Typical shaft-bearing combinations SNL housings are replaced by a new genera-
• Plain shaft with bearing on an adapter tion of plummer block housings († Split plum-
sleeve mer block housings SE 2, 3, 5 and 6 series,
• Stepped shaft with bearing on a starting on page 139). From size 516-613
cylindrical seat upward, SNL plummer block housings in the
2, 3, 5 and 6 series remains.
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, SNA, SNH series

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