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2 Products availableLeading Manufacturer, Supplier & Retailer of Dustproof Plummer Blocks, Large Plummer Blocks, Standard Type Plummer Blocks, Stepped Shaft Type Plummer Blocks and Withdrawal Sleeves.
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.
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.
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.
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.
Withdrawal sleeves product codes start with AH or AHX. The X refers to a DIN revision index, which has now become standard. The product codes for withdrawal sleeves with oil grooves and oil ducts use the letters AOH or AOHX. Withdrawal sleeves whose product codes contain AOH or AOHX always have oil ducts in the bore and on the taper. Sleeves with the code numbers 240. and 241. have a 1:30 taper, all the others have a 1:12.
Suffixes Since 1997, there have been withdrawal sleeves with the suffix G. The G indicates a change of thread size. With withdrawal sleeves and adapter sleeves having different thread sizes, attempts have been made to standardise them. These standardisation efforts are inspired by a desire to reduce nut variation.
Kavi Nagar, Ghaziabad, Uttar Pradesh 