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Plummer Blocks | SNN Series

Supplier: NSK Australia

Our high performance plummer blocks are highly rigid and easy to handle.

Price Guide: POA

These plummer blocks contain NSK's tough spherical roller bearings which have a high load capacity, low temperature rise and high strength cages.

To ensure effective sealing, plummer blocks are available with a variety of special sealing options and end covers. Benefits include a facility for easy mounting and dismounting of pre-assembled shafts.

Plummer block housings can be used with high-capacity spherical roller bearings or self-aligning ball bearings. They are manufactured from high-strength cast iron as standard but are also available in cast steel or spheroidal graphite cast iron. The housings have a re-lubrication facility and can be used with either oil or grease lubrication.

Products Available

Standard Type Plummer Blocks: SN5 and SN6 types are the most common type, which are provided for in JIS B 1551, ISO 113/II, and DIN736, 737. SN30 and SN31 types are medium size and their shaft diameters are bigger than that of SN5 and SN6 types. For these types, a bearing is mounted with the use of an adapter.

Large Plummer Blocks: These are large size and for heavy-duty application. They have dual structure oil seals. For these types, a bearing is mounted with the use of an adapter.

Dustproof Plummer Blocks:This is a dustproof type, and this was developed by NSK. It has a combination of oil seals, labyrinth seals, and oil groove seals; therefore, it is suitable for environments with dust and other foreign matters. For this type, a bearing is mounted with the use of an adapter.

Stepped-Shaft Type Plummer Blocks: SN2C and SN3C are the types that the bore diameter of one side is smaller than that of SNa2 and SN3 respectively, and they are provided for in JIS B 1551. For these types, a bearing is mounted with the use of a nut and washer.

For more information or a quote please call or email for a direct reply.

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