The LLG Plummer Block Bearing

Searching for accurate, low vibration and noise, high precision rotating, low friction torque and high speed running, and acid-proof and alkali-proof Plummer block bearing? Our LLG Plummer Block Bearing is perfect for you.

The LLG Plummer Block Bearing housing allows the built-in bearings to achieve the longest service life with less maintenance. Different LLG Plummer Block Bearing variants and seal designs are provided, which eliminates the need for customized housings and allows cost-effective bearing configurations.

The LLG Plummer Block Bearing seat is made of gray cast iron. For applications where the strength of gray cast iron is insufficient, an LLG Plummer Block Bearing seat made of nodular cast iron of comparable size can be provided. These housings for LLG Plummer Block Bearing only provide four cast-iron fixing bolt holes or no base holes.

Furthermore, LLG Plummer Block Bearing is certified ISO9001:2008 standard. Hence, LLG Plummer Block Bearing is corrosion resistant and can work in corrosive environments such as seawater, river water, distilled water, spare nitric acid, marine climate, steam, etc.

Also, LLG Plummer Block Bearing can work in high or low-temperature environments within the operating temperature range of -253°C–350°C.

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Plummer Block Bearing – Ultimate FAQS Guide

You must be an industry owner looking for Plummer block bearings and their types to find the best ones for your company. If this is the case, here is an FAQ guide from which you can learn everything you need to know about Plummer block bearings.

What Type Of Bearing Is Plummer Block?

Plummer block bearings are the bearing having small balls and a shaft diameter area to fit with suitable equipment.

These block bearings have housings around them composed of grey cast iron, having different grades of metals that make them sturdy and durable.

 Plummer Block

These are helpful bearings that are used in high capacity and heavy load equipment for holding things tight.

They are durable and very sturdy as they are made from high strength cast iron that makes them be able to hold pressure.

These bearings come in iron, steel and spheroidal graphite cast iron, and they are used almost in every type of steel and construction industry. 

What Is The Industrial Use Of Plummer Block Bearing?

Plummer blocks are made to hold high pressure and withstand force to transfer high power and support load.

These block bearings support industrial load for any heavy equipment to join or to hold steel rods and various tools. 

These blocks also find their use in multiple applications, with their shafts supported by single to several bearings units that slide over them easily.

• Plummer blocks can be used for belt drives to connect motors and pumps.
• They help in connecting long shafts that are connecting motors and industrial gearboxes.
• They are used in conveyor belt rollers.
• They find their use in rolling mills.
• They are accommodating in the use of ventilation systems.
• These blocks are used in paper machines.

Plummer blocks are various types of bearings, and they find their numerous applications to be used where it can be hard to keep them all straight in line. 

These blocks are a pedestal that works in support of a rotating shaft along with bearings and other accessories in industries.

These blocks provide an economical way to handle the level of speed and workload capacity of any machinery. 

The Plummer blocks from companies like LLG Bearings help to hold solid and heavy objects and equipment without getting broken or destroyed.  

How Does Pillow Block Bearing (Or Plummer Block) Provide Support For A Rotating Shaft?

A Plummer block or a pillow block bearing provides support for the rotation of a shaft through compatible bearings and accessories. 

Usually, these blocks are made of cast iron or cast steel to make them be able to withstand any external pressure.

The housing on these blocks has a bearing fitted into them that helps to slide and move quickly over the Shaft to reduce workload.

These blocks are typically mounted to support the weight and load in cleaner environments as they are intended to hold the gears in the general industry.

 Plummer Block

The mounting block helps to hold on to the rotating Shaft in order to provide reasonable support with the bearing covering around it. 

The small balls in the bearing help in easy rotation of the Shaft that requires some lubrication for free movement to reduce friction. 

What Is Stepped-Shaft Type Plummer Blocks And Where Is It Used?

A stepped-shaft type is the type of Plummer block in which locking collars or set collar collars are used to secure the Shaft. 

These types of Plummer blocks are used in the steel industry as well as in the mining and construction industries. 

In this type of block, the rotation of the bush inside its bearing housing is held tight with a snug at the bottom of its lower brass area. 

The cap is fixed or tightened enough on the Plummer block with the use of bolts and nuts.

Such shafts are tightly put together, and they include SN2C and SN3C types. With a use of nut and a washer, the bearing is mounted firmly on the shaft.  

The SN2C and SN3C type Plummer blocks have smaller bore diameter on their one of the sides if compared to other blocks like Sna2 or SN3.  

What Are The Uses Of Large Plummer Block, And Who Is The Best Supplier?

The large size Plummer blocks are used for heavy-duty use with some lubrication having a bearing that is mounted to use with an adapter. 

These spherical roller bearings or self-aligning ball bearings provide durable and sturdy support to the equipment or machines working in industries. 

The small size or medium size pillow blocks or Plummer blocks are used for less weight and lightweight equipment. 

Plumber Block

They also supply bearings in graphite cast iron or cast steel. 

What Are Dust proof Plummer Blocks And Their Uses?

The Plummer blocks having a combination oil groove seals, or labyrinth seals are known as dustproof Plummer blocks.

These blocks help to avoid the entry of any dust particles from the environment into the block so that no interruption can take place. 

These block enables safety in their outer ring and avoids any dust particle to insert. 

They are stationary from the outside, and at the same time, they allow rotation of the inner ring. 

The housing of the dustproof Plummer block is fitted firmly to its base with the help of holes that are present in its base.

Dustproof Plummer Block

Such Plummer blocks are made for heavy-duty and heavyweight work. 

Therefore, they are used in the construction or industrial environment where dust and other factors are most likely occurring.

You can get dustproof Plummer block bearings from LLG who are the best manufacturer of Plummer blocks in China.

What Type Of Plummer Blocks Are Used For Heavy Loads?

Large size Plummer blocks that have high-capacity spherical roller bearings are used for heavy loads. 

Dustproof plumber blocks are also widely used in heavy load work.

These Plummer blocks make it easier to reduce work stress, and load and the bearings move and rotate over the Shaft to enhance working capacity.

These Plummer blocks are made from cast high of high strength to withstand any pressure and load no matter what happens. 

As these Plummer blocks are in large size, they have heavy-duty applications. 

Such Plummer blocks have dual structure oil seals which make it easier to lubricate the material. 

Friction is reduced with lubrication, and it becomes possible to work quicker and easier without applying much force.

What Are Standard Type Plummer Blocks And Where They Are Used?

The SN5 and SN6 are considered standard types of Plummer blocks that are for small diameter shafts. 

These types of Plummer blocks are using in the steel industry or construction industries for managing lightweight and small equipment.

Standard Plummer Block

These Plummer blocks are provided for in DIN736, 737, JIS B 1551, and ISO 113/II. 

How Do You Select Plummer Block Bearings?

If you want Plummer block bearings, you must make a product selection on the following basis. 

• Shaft diameter

The diameter of the Shaft must be matching with the bore of your bearing unit so that they can easily slide onto the Shaft and position it perfectly.  

• Shaft height

Shaft height is essential, which is determined by analyzing the distance from the centre of the Shaft towards the base of the Plummer block bearing. 

• Shaft size

You should know the maximum diameter of the Shaft or its bore size from the mounted bearing.

• Maximum speed 

You should be aware of the shaft speed as it should be according to the bearing design to operate correctly. 

• Maximum load

The radial and thrust loads capacity of bearings to take on heavy loads is also essential to know. 

Where To Buy Plummer Block Bearing In Bulk?  

You can get Plummer blocks in bulk from the manufacturers in China.

As there are several manufacturers for Plummer blocks, you can get the best ones from LLG bearings.

They are the best Plummer block bearing manufacturing company that can get you Plummer blocks in bulk for your industry. 

Plummer Block

The bearings obtained from this company are of high quality, and they deliver Plummer block bearings in bulk too. 

What Is The Shelf Life Of Plummer Block Bearing?

An average shelf life expectancy that you get from a good quality Plummer block bearing is about eight years. 

These bearings do not get corrosion quickly over time, and they can get higher life expectancy if kept in suitable temperature and place. 

What Is The Difference Between Plummer Block And Pillow Block? 

A Plummer block consists of a mounting block housing a bearing and a bore for shaft size diameter to fit the Shaft of equivalent size perfectly. 

The pillow block has a pedestal mounting bearing along with a housing that has a mounting block and a bearing in it. 

 Pillow Block

Plummer blocks are made to hold and withstand heavy loads and are used in big industries to take on high pressure.  

The pillow block bearings have machined mounting surfaces as they are housed bearing and are used in mechanical power transmission systems.

These blocks support the shafts and coupling to reduce workload.

In pillow blocks, the Shaft is kept parallel to the mounting surface and perpendicular in a place to the mounting screws.

Both of these blocks come in different types of bearings that may include ball bearing, cylindrical bearing, tapered roller or even synthetic bushing.

Pillow blocks are basically made to support lightweight applications, and they cant be used for heavyweight or high power loads. 

You can get both of these from LLG as they are the best manufacturers in China who offer pillow blocks and Plummer blocks for your industry.

What Are The Advantages Of Plummer Block Bearings?

There are some benefits of using Plummer block bearings. 

• They provide the facility to mount and dismount from the pre-assembled shafts. 
• They can be used with high capacity and heavy loads in different types of big industries having spherical roller bearings. 
• The Plummer block bearings are able to work under any pressure and weather conditions, and they are not affected by the atmosphere. 
• These bearings come as a self-contained assembly that is available in a wide range of sizes.
• Plummer block bearings provide substantial cost benefits in the long term.

How To Grease A Plummer Block Bearing?

The Plummer block bearing can be greased with the replacement of lubrication housing with the grease nipple. 

Plummer Block

• First, you have to clean the Plummer block and the housing properly. 
• The bearing must be in motion while applying the grease and also rotate it slowly to make it easier to spread grease for the bearing. 
• The grease can be easily penetrated through the bearing with the help of a lubrication groove and through the three holes on its outer ring. 
• In this way, you can easily grease the entire Plummer block bearing and its cavity area.

How To Remove A Plummer Block Bearing?

With the use of small cutting hammers, it can be easy for you to smash on the external cast iron housing so that it can get off.

You can remove the actual bearing and then use a standard puller to remove the Plummer block bearing. 

You can also make use of an angle grinder that would help to split the whole housing and also the bearing down to the Shaft. 

How To Install A Plummer Block Bearing?

Installing a Plummer block bearing is simple as you would need to understand some basic steps.

 Plummer Block

• Clean the Shaft first with the use of fine sandpaper to remove any rust. 
• Then slowly start using a light coat of oil to remove any debris from it.
• You have to be sure and certain while positioning the bearing on the Shaft and then tap it gently into its place. 
• You can use an object like hardwood to tap it and get it into its position. 
• You can align the bearing units with a rubber mallet or use your hand. 
• Make sure the Shaft moves quickly through the bore and confirm proper alignment. 

How To Align Plummer Block Bearings?

You can align Plummer block bearings by use of little force through hardwood or rubber mallet. 

Make sure to gently tap it and press the Shaft in the bore diameter. 

Plummer Block

f it goes well through the diameter, gently rotate the Shaft and see if there is no friction or problem with the movement.

If it doesn’t, then read the company manual and see what torque would be best and at what angle to align the Plummer block manually.

How To Fit Bearing In Plummer Block? 

Fitting the bearing in the Plummer block is easy, and it requires following few steps. 

• First of all, clean its Shaft. 
• Place bearing properly on its Shaft.
• Not adjust the housing on the mounting position. 
• Give it a final position to perfectly sit on the shaft. 
• Then make sure to bolt the housing with the mounting structure. 
• Check whether the Shaft can move axially. 
• Tighten up the collar set screws from both sides.  

What Is The Advantage Of Plummer Block Over A Simple Bushed Bearing?

Plummer blocks have a significant advantage over simple bushed bearing because they find their use in heavy load work. 

They are used more in situations where adjustments and alignment are significant for perfection.  

Plummer Block

They support long shafts when they are coupled with any other mechanical instrument that may include any brake drums, transmission systems, rope drums, etc.  

Bushed bearings are used in less complicated and easy weight distributed situations.

It is used where a bearing surface of softer than the Shaft or spindle is required. 

It is used on small diameter, with more diminutive speed. 

If you want to get the best and durable Plummer block bearings, then choose from LLG, as they provide the best bearings from China.

How To Replace Plummer Block Bearings?

Replacing the Plummer block bearing requires the right tools and proper instructions to follow, which are mentioned below. 

• Make use of small cutting hammers to smash on the external cast iron housing and remove it off.
• Remove the bearing with a puller and clean the Shaft properly. 
• Make use of sandpaper or scotch bright to clean the body of the Plummer block, and then use light coat oil on it. 
• Now position new Plummer block bearings on the Shaft and then start to tap it gently and take it to its position. 
• Then bolt the housing on the bearing after aligning it correctly with the use of hardwood or rubber mallet. 

What Are The Different Types Of Plummer Blocks?

There ‘SN’, ‘SNA’, and ‘SD’ Plummer blocks are three different types of Plummer block housings.

These blocks consists of rolling elements that may include spherical roller, metallic roller, tapered roller, cylindrical roller, or even synthetic bushing.

 SNA Plummer blocks

SNA Plummer blocks are for those bearings that are mounted on a cylindrical bore with adapter sleeves. 

The housings of these SNA Plummer blocks are the same as for the type of bearings used but have different seals.

SN Plummer blocks

SN Plummer blocks are made for use with adapter sleeves or also with a cylindrical bore but with different housings.

It depends on whether you want to mount the bearing on the adapter sleeve or on the cylindrical bore. 

SD Plummer blocks

This type of Plummer block is only for the use of bearings that are mounted on adapter sleeves.

Dividing the Plummer blocks into a general category can get to different types. These types include the following.

Split Plummer blocks

SNN/SNC Series 500 that have housings with a tapered bore for rolling bearings at a shaft diameter of 20-140mm, and the series included are 1200K, 2200K, 22200K and 23200K.

SNN/SNC Series 600 that have housings with a tapered bore for rolling bearings at shaft diameter for 20-90mm, and the series included are 1300K, 2300K, 21300K and 22300K.

SNN/SNC Series 200 that have housings with cylindrical bore for rolling bearings at shaft diameter of 25-160mm, and the series included are 1200K, 2200K, 22200K and 23200K.

SNN/SNC Series 300 that have housings with cylindrical bore for rolling bearings at shaft diameter for 25-100mm, and the series included are 1300, 2300, 21300 and 22300.

Non-split Plummer blocks

These Plummer blocks are able to take on the heavy load that can act perpendicular as well as in other directions too.  

Series SPW/SFCW 

This series of non-split Plummer blocks are the best match for a harsh industry that works under extreme environmental conditions continuously. 

For such blocks, the SPW range is interchangeable with the use of SN housings.

The shaft diameter for this series is set to 50-140mm.

This type of non-split Plummer block requires anti-corrosion treatment on the components to withstand harsh weather conditions. 

Series TN200/300 

This series of non-split Plummer blocks have their housings for self-aligning ball bearings having an extended inner ring from the series 11200 and 11300.

Such types of blocks have a shaft diameter of 20-60mm, and they find their primary purpose is agricultural machinery. 

They are made up of grey cast iron, and they are also sealed with a felt seal. 

Series TVN 200/300 

This series of non-split Plummer blocks have their housings for ball bearings with a cylindrical bore of series 1200, 6300 and 6200/1300. 

Such types of blocks have a shaft diameter of 20-75mm, and they are primarily used for agricultural and other typical machinery applications. 

These blocks are made of grey cast iron and also sealed with a felt seal to withstand any shaft misalignment up to 0.5°. 

Series TVN 6200/6300

This series of non-split Plummer blocks have their housings for continuous operating temperatures that may fall between 200°C.

The series 6200 F605 and 6300 F605 are specifically designed for high temperatures up to 350°C.

The shaft diameter for such blocks is 40-75mm.

These bearings have their use in cement kilns along with carriage in hot or humid weather conditions.