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Pillow Blocks
SKF Pillow Blocks
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Bold = Prefix
SNL
Pillow block a split design inch and metric variety of sealing options. See page 2.
SNA
Discontinued design replaced by SNL.
SNH
Discontinued design, replaced by SNL.
SSN
Discontinued design, replaced by SSNHD which is ductile iron.
SSNHD
Same as SNL but with blank base, Materials: spheroidal cast iron (ductile iron).
SAF
Pillow block split design inch overall dimensions (North American standard) used for inch shafting. Variety of sealing arrangements available, see Page 8.
Material : Grey cast iron ASTMA 48 grade 35
SAFD
Pillow block split design inch overall dimensions (Canadian Standard) used for inch shafting. Variety of sealing arrange-ments available see Page 8.
Current standard product
Material: Ductile iron ASTMA 536 grade 65-45-12 Recommended for low temperatures -40°C (-40°F)
SAFS
Same as SAF dimensionally but material cast steel ASTMA 27 grade 65-35
SDAF
Pillow block split design inch overall dimensions (North American standard) heavier design than SAF. Used for inch shafting variety of sealing arrangements available, see Page 8. Current standard product.
Material: Grey cast iron ASTMA 48 grade 35
SD
Pillow block split design metric overall dimensions can be used for metric or inch shafting (European standard) Current standard product
Available with triple ring seals only
Material: Grey cast iron GG 25 (ISO/DIS 185 grade 250)
SDD
Same as SD dimensionally but material spheroidal cast iron GGG 40 (ISO 1083-1976, 500-7)
SDCD
Pillow block split design metric overall dimensions can be used for metric or inch shafting (Canadian standard) Current standard product
Available with triple seal rings only Material: Ductile iron
ASTMA 536 grade 65-45-12
Recommended for low temperatures -40°C (-40°F)
SDCD/MC14
Same as SDCD dimensionally but modified to accept extreme service seals (Taconite), see Page 9
SDJC
Pillow block split design, metric overall dimensions (European standard), metric shafting. For reference only. Consult SKF for availability and technical specifications.
SNCD
Discontinued Canadian designed pillow block, dimensionally interchangeable with SAFD. Pillow block split design inch overall dimension can be used for metric or inch shafting. Available with variety of sealing arrangements see Page 9. Material: ductile iron ASTMA 536 grade 65-45-12
SNCT
Same as SNCD dimensionally but material cast steel ASTMA 27 grade 65-35