What are the characteristics of plummer block?

Features of plummer block
modular system
The supply range of SNL plummer blocks includes a range of different sizes of housings of the same design, used with a variety of standard seals, and can be used in different operating conditions and environments. The SNL plummer block is suitable for applications with shaft diameters between 20 and 160mm.

Enhanced base design
The SNL plummer block adds some support and wall thickness around the coupling bolt holes, making the bottom of the plummer block stronger. Therefore, the connecting bolt can be locked more tightly to improve the positioning ability, and the deformation of the seat hole caused by the excessive force of the bearing seat can be avoided.
Bearing connection
The standard SNL plummer block has two coupling bolt holes in the base, and housings in sizes 511-609 and above are available with four coupling bolt holes, code FSNL..NM.

Smaller plummer blocks under 511-609 can also be installed using four bolts. There are some cast markings on the housing to indicate where holes can be drilled.
good cooling effect
Since the base of the SNL plummer block adds some support, it also increases the surface area between the base and the support surface, so a greater amount of heat can be removed from the bearing.
device for relubrication
The standard SNL plummer block has a grease nipple for easy relubrication by service personnel. There are also some casting marks on the bearing seat, which is convenient for users to add other grease nipples to supplement the lubrication of bearings or seals.
Identification marks on top cover and base

The top cover and base of the plummer block are machined together during manufacture, so they must be used together. Different top covers and bases are absolutely not interchangeable. To prevent confusion, the top and base of each SNL plummer block are marked with the same number for identification.
flags to help install

The base of the SNL plummer block has cast marks to indicate the position of the axis of the seat hole, which can be used for easier installation and more precise alignment.
Marked holes for mounting other parts
There are special markings on the SNL plummer block to indicate where drilling may be required; for example, dowel pins, sensors for condition monitoring, or adding other nozzles.

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