Page 60 - SKF-bearing-housings

Split plummer block housings

SNL 2, 3, 5 and 6 series

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Designations . . . . . . . . . . . . . . . . . . . . 57 Lubrication . . . . . . . . . . . . . . . . . . . . . 78
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Initial grease fill . . . . . . . . . . . . . . . . . . 78
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Standard housing design . . . . . . . . . . 59 Relubrication . . . . . . . . . . . . . . . . . . . . 78
Features and benefits . . . . . . . . . . . . . 60
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Housing material . . . . . . . . . . . . . . . . . 61 Mounting . . . . . . . . . . . . . . . . . . . . . . . 82
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Paint, corrosion protection . . . . . . . 61
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Dimension standards . . . . . . . . . . . . . . 61 Condition monitoring . . . . . . . . . . . . . 83
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Interchangeability. . . . . . . . . . . . . . . . 61
Accessories . . . . . . . . . . . . . . . . . . . . . 84
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Housing variants. . . . . . . . . . . . . . . . . . 62
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Housing material . . . . . . . . . . . . . . . . . 62 Ordering information . . . . . . . . . . . . . 84
Attachment bolt holes . . . . . . . . . . . . . 62
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Bearing seat tolerance . . . . . . . . . . . . . 64 Product tables
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Housings for oil lubrication . . . . . . . . . 64 2.1 SNL and SE plummer block housings
for bearings on an adapter sleeve,
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Sealing solutions . . . . . . . . . . . . . . . . . 64 metric shafts . . . . . . . . . . . . . . . . 86
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Four-lip seals . . . . . . . . . . . . . . . . . . . . 66 2.2 SNL and SE plummer block housings
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V-ring seals . . . . . . . . . . . . . . . . . . . . . . 66 for bearings on an adapter sleeve,
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Felt seals or strips . . . . . . . . . . . . . . . . 66 inch shafts . . . . . . . . . . . . . . . . . . 100
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Labyrinth seals . . . . . . . . . . . . . . . . . . . 66 2.3 SNL and SE plummer block housings
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Taconite heavy-duty seals with a radial for bearings on a cylindrical seat . 120
labyrinth . . . . . . . . . . . . . . . . . . . . . . . . 66
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End covers . . . . . . . . . . . . . . . . . . . . . . . 68
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Using sealed bearings . . . . . . . . . . . . 68
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Special seals . . . . . . . . . . . . . . . . . . . . 70
High-temperature seals . . . . . . . . . . . . 70
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Taconite heavy duty seals
with an axial labyrinth . . . . . . . . . . . . . 70
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Bearing isolators . . . . . . . . . . . . . . . . . 71
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Custom seals. . . . . . . . . . . . . . . . . . . . . . 71
Design considerations . . . . . . . . . . . . 72
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Typical shaft-bearing combinations . . 72
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Locating and non-locating
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bearing positions . . . . . . . . . . . . . . . . . 72
Load carrying capacity . . . . . . . . . . . . . 73
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Operating temperature . . . . . . . . . . . . 74
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Operating speed . . . . . . . . . . . . . . . . . . 74
Attachment bolt recommendations . . . 77
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