Page 36 - SKF-bearing-housings

SKF bearing housings – overview, selection and application recommendations

Table 2
Non-split housings

Series SBD THD FNL PD
Chapter 10 10 11 12

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

Shaft diameter range
from [mm] 60 50 20 25
to [mm] 420 400 100 120
from [in.] – – – –
to [in.] – – – –

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

Sealing solutions
Lip seal – – 1 –
V-ring seal – – – 1
Felt seal – – – 1
Labyrinth seal 1 1 – –

Lubrication
Grease 1 1 1 1
Oil – – – optional

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

Mounting
No attachment bolts – n/a – –
Two-bolt mounting – n/a – –
Four-bolt mounting 1 n/a 1 2) 1

Supersedes (SKF) – – 7225(00) –

1) Typical bearings include deep groove ball bearings, angular contact ball bearings, and cylindrical roller bearings.
2) Housings with a triangular flange have three attachment bolts.

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