Page 34 - SKF-bearing-housings

SKF bearing housings – overview, selection and application recommendations

Split plummer (pillow) block housings

Series SNL 2, 3, 5 and 6 SE 2, 3, 5 and 6 SNLN 30
Chapter 2 3 4

Bearing types
Self-aligning ball bearing 1 1 –
Spherical roller bearing 1 1 1
CARB bearing 1 1 1

Shaft diameter range
from [mm] 20 and 6 0 3 0 1 1 0
to [mm] 30 160 75 280
from [in.] 3 /4 and 2 3 /16 15 /16 –
to [in.] 1 5 1 /2 2 1 /2 –

Shaft-bearing combination
Bearing on an adapter sleeve 1 1 1
Bearing on a withdrawal sleeve 1 1 1
Bearing on a cylindrical seat 1 1 1

Sealing solutions
Lip seal 1 1 1 1)
Radial shaft seal – – –
V-ring seal 1 1 1 1)
Felt seal 1 1 1 1)
Labyrinth seal 1 1 1
Taconite heavy-duty seal 1 1 1
Multi-seal – – –

Lubrication
Grease 1 1 1
Oil optional optional 2) –

Materials
Grey cast iron standard standard standard
Spheroidal graphite cast iron optional optional optional
Cast steel – – –

Mounting
No attachment bolts 1 1 1
Two-bolt mounting 1 1 1
Four-bolt mounting 1 1 1
Eight-bolt mounting – – –

Supersedes (SKF) SNH, SNA, SN SNL 2,3,5 and 6, SN 30
SNH, SNA, SN

Replacement for (non-SKF) ISO 113 ISO 113 ISO 113
standard housing standard housing standard housing

1) Not available for sizes 34 and above.
2) For sizes 518 to 532 circulating oil only.

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