In the fixed plummer block, to prevent axial displacement of the bearing, 2 locating rings are installed, one on either side of the bearing. They are manufactured from highstrength cast iron as standard but are also available in cast steel or spheroidal graphite cast iron. The masses in the table do not include the bearing, adapter sleeve and locating rings but the bolts. Drain edge the chamfered edge prevents the penetration of moisture at the interface between the upper and lower section. This enables higher radial loads to act on the housing cap. Plummer block assembly 3d cad model library grabcad. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Snl 30 and snl31 plummer block housings solve the housing. Snn series plummer blocks snn 5 18 6 15 bearing bore code heavy series housing bearing bore code medium series housing housing design code the snn 500 and 600 series comprise a number of housings which, when combined with different seal options and ball or spherical roller bearings, provide an answer for most plummer block applications with. Unsplit spherical roller bearings with an adapter sleeve can be. The detailed drawing of a pedestal bearing is shown in image below. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and. The bolt holes in the block base are made longer with semicircular ends for adjusting the position of the bearing. Pedestal bearings or plummer block mechanical engineering.
The rotation of the bush inside the bearing housing is. The sng housing is suitable for heavyduty applications in mining and construction, paper industry, steel industry and light industry. Split plummer block design allows for easy mounting and dismounting of preassembled shafts. Assembly and details machine drawing pdf with images autocad. Assembly of plummer block views of the parts of a plummer block are shown in fig. Plummer block assembly pdf figure 2 views and dimensions of the casting. Ina housing units are available as plummer block, flanged and takeup housing units in numerous different designs. Understand the purpose, principle of operation and field of application of the given machine. This feature greatly simplifies the assembly procedure for plummer blocks. Premium bearings for coal mining equipment brochure coal0111. Plummer block or pedestal bearing assembly drawing,online education duration. Computer aided machine drawing manual linkedin slideshare. Start a new assembly file and save it with the name plummer block in the plummer block folder at the location c. Split plummer block housings of series sng the sng bearing housing were designed as a multifunctional housing which can be interchanged with other styles of sn housings.
Bower cylindrical and tapered roller bearings catalog a1500. The plummer block is the folder in which all the individual part files are saved. Plummer block assembly 1 figure 2 views and dimensions of the casting in this project, you will create the components of the plummer blockassembly, as shown in figure 1 and then assemble them. The range of shaft diameters is 115 mm to 530 mm and 4716 inch to 1912 inch.
Plummer block, computer aided machine drawing camd of vtu syllabus. Plummer block center, and its value is 12 the width of the setting washer. The enclosed drawing shows the assembly of the plummer block. Split pillow block housing assembly instructions for saf. Standard type for bearing with adapter assembly d1 25. Take a closer look at the different features of skf pillow block housings, and see how they can help you maximize bearing service life in your application.
On snc pillow block housings, bolts with a larger diameter than on comparable housings are used to connect the upper and lower sections of the housing. Feb 18, 2018 this pin was discovered by aditya dange. The units are readytofit and comprise ina cast iron or sheet steel housings in which ina radial insert ball bearings are fitted. Block assembly seal seal cover sleeve designation qty complete kg 34 snn150534g snn505 g505 v505,ts505e a505 1205k he205 sr52x5 2 2. Conventional plummer block housings are designed such that the bearing load is introduced into the housing locating face by means of a support area directly below the bearing, figure 1. This type of bearing consists of i a cast iron pedestal, ii gun metal, or brass bush split into two halves called brasses, and iii a cast iron cap and two mild steel bolts. Available in a variety of metric shaft sizes, timken snt plummer block units offer the choice. Plummer blocks and accessories snn series and sd series 7 highperformance snn series plummer blocks are highly rigid and easy to handle. The housings have a relubrication facility and can be used with either oil or grease lubrication. Sn 6 sn 600 series plummer block housing description. If the system is subjected to variations of temperature, the shaft may expand or contract axially. Plummer block pedestal bearing posted by rrk at 04. Bearing housings support your bearings, protect them from contaminants while keeping in lubricant, and can also house monitoring equipment. Plummer block assembly in this project, you will create the components of the plummer block assembly, as shown in figure 1 and then assemble them.
Scribd is the worlds largest social reading and publishing site. Over years, masta group records its business all over. Assembly and details machine drawing pdf see more cad computer, isometric drawing, drawing machine, cad drawing, mechanical design, detailed drawings, technical drawing, autocad, art drawings. Sealing options nsk offers a range of sealing options including oil. Snl plummer block housings solve the housing problems. Plummer block housings sn 500 series ssn 500 series s1 b s2 the sn housing will accept the selfaligning ball or spherical roller bearings with adapter sleeves. Fag split plummer block housings of series snv for shaft diameters of 20 to 160 mm and 34 to 512 inches. They can be equipped with nsks tough spherical roller bearings, which have high load capacity, low temperature rise and highstrength cages.
Plummer block unit designed for greater mechanical strength, and manufactured under strict quality control program. Plummer block assembly figure 1 the plummer block assembly. It is made in two halves to provide easy placing and removal of the shaft in and from bearing. Complete assembly of plummer block and its components. Place the shaft and bearing assembly in the lower half of the split housing. Axial displacement of the shaft is then impossible fig. Study the figures carefully, understand the functionality of the components and attempt the. Plummer block assembly n drawings files 3d cad model. Assembly and details machine drawing pdf slideshare. Also referred to as a housed bearing unit, meaning they are selfcontained, greased, sealed and ready for installation on the equipment. Each size is supplied with standard felt seals and fixing rings.
What is the advantage of plummer block over a simple. Skf split pillow block housings are modular systems, designed to maximize the performance of bearings mounted in them. Complete pillow housing standard optional end bearing adapter fixing rings mass mm in. This will help in understanding the functional requirements of individual parts and their location. Welcome to masta group, for more than 70 years, the masta group with its brand masta has been one of the leading manufacturers of plummer block bearing housings and various accessories. Masta group is self dependent manufacturing company having complete inhouse production activities, with own foundry, machineshop and related facilities. Snl plummer block housings have more to offer the current skf standard plummer block housings of the snh design are considered as the first choice for design, quality and economy. Standard type for bearing with adapter assembly d1 25140mm. Structure tightening bolt the bolt protects the plummer block against loosening due to vibration and impact. Department of mechanical engineering mep201 machine drawing. Without picture insert the locating ring on both sides of the bearing for fixed end. Sealing options nsk offers a range of sealing options including oil seals, labyrinth seals, or heavyduty taconite seals. Make sure the lobes of the rubber extrusion on the outside diameter of the taconite seal are not located at the split of the housing.
Essentially, they provide customizable mounted bearing solutions and help maximize performance, service life and costefficient maintenance of the incorporated bearing. Depending on the accessories you choose, a single housing can be used with multiple bearings, in fixed or float positions, and. Choose the place tool from the component panel of the assemble tab to invoke the place component dialog box. S6 j n n1 a1 s h1 h h2 t l shaft bearing abutment and fillet dimensions approx. However, to meet the still higher market demands of the future, skf has developed the snl plummer block housings. To make a complete unit, please order the corresponding bearing, adapter sleeve and locating rings shown in the table additionally. The tolerances of both types are given in the tables below. The digits in the housing desig nation indicate the housing bore and thus the outside diameter of the appropriate bearing, for example 100 mm for snv100fl. This video make by vishwakarma engineering drawing classes, bhilai nagar. Plummer block assembly n drawings split plummer block design allows for easy mounting and dismounting of preassembled shafts. Snl 30 and snl 31 plummer block housings have more to offer skf plummer block housings of the sd design are currently being redesigned to take advantage of the progress embodied in the smaller snl housings.
Suitable bearings required adapter sleeve for metric or imperial shaft sizes. Timken snt plummer blocks provide options to meet all of your needs. Schaeffler technologies tpi 231 7 suitable bearings split plummer block housings sns are suitable for fitting with spherical roller bearings with a tapered or cylindrical bore, see table. The dimensions of the components are given in figures 2 through 4.
Pillow block bearings are typically bolted to a surface, so that. The text book answer would be, plummer block assembly can take up larger loads increase bearing life be easily maintained however, we wont know their real benefit until we visit a continuous production plant which producesutilizes s. Plummer block housings are housings with oil seals, a plug and a grease nipple only. Plummer block housings can be used with highcapacity spherical roller bearings or selfaligning ball bearings.