Page 156 - SKF-bearing-housings

Split plummer block housings

SNLN 30 series

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Designations . . . . . . . . . . . . . . . . . . . . 153 Lubrication . . . . . . . . . . . . . . . . . . . . . 173
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Initial grease fill . . . . . . . . . . . . . . . . . . 173
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Standard housing design . . . . . . . . . . 155 Relubrication . . . . . . . . . . . . . . . . . . . . 174
Features and benefits . . . . . . . . . . . . . 156
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Housing material . . . . . . . . . . . . . . . . . 158 Mounting . . . . . . . . . . . . . . . . . . . . . . . 177
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Paint, corrosion protection . . . . . . . 158 Torque specifications . . . . . . . . . . . . . . 177
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Dimension standards . . . . . . . . . . . . . . 158 Pinning or supporting the housing . . . . 177
Interchangeability. . . . . . . . . . . . . . . . 158
Condition monitoring . . . . . . . . . . . . . 178
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Housing variants. . . . . . . . . . . . . . . . . . 158
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Housing material . . . . . . . . . . . . . . . . . 158 Accessories . . . . . . . . . . . . . . . . . . . . . 178
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Attachment bolt holes . . . . . . . . . . . . . 158
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Bearing seat tolerance . . . . . . . . . . . . . 158 Ordering information . . . . . . . . . . . . . 179
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Sealing solutions . . . . . . . . . . . . . . . . . 160 Product tables
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Four-lip seals . . . . . . . . . . . . . . . . . . . . 160 4.1 SNLN 30 plummer block
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V-ring seals . . . . . . . . . . . . . . . . . . . . . . 161 housings for bearings on
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Felt seals . . . . . . . . . . . . . . . . . . . . . . . . 164 an adapter sleeve . . . . . . . . . . . . 180
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Labyrinth seals . . . . . . . . . . . . . . . . . . . 164 4.2 SNLN 30 plummer block
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Taconite heavy-duty seals . . . . . . . . . . 164 housings for bearings on
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End covers . . . . . . . . . . . . . . . . . . . . . . . 164 a cylindrical seat . . . . . . . . . . . . . 184
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Using sealed bearings . . . . . . . . . . . . 164
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Special seals . . . . . . . . . . . . . . . . . . . . 166
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High-temperature seals . . . . . . . . . . . . 166
Taconite heavy-duty seals with
an axial labyrinth . . . . . . . . . . . . . . . . . 166
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Custom seals. . . . . . . . . . . . . . . . . . . . . . 167
Design considerations . . . . . . . . . . . . 168
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Typical shaft-bearing combinations . . 168
Locating and non-locating
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bearing positions . . . . . . . . . . . . . . . . . 168
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Load carrying capacity . . . . . . . . . . . . . 170
Operating temperature . . . . . . . . . . . . 172
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Operating speed . . . . . . . . . . . . . . . . . . 172
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Attachment bolt recommendations . . . 172
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