It is made in two halves to provide easy placing and removal of the shaft in and from bearing. 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. Plummer blocks designation dimension in mm bearing with adapter sleeve locating rings no. Each seal type incorporates specific features to meet your application needs. Just one example of how we meet our requirements for high quality. Over years, masta group records its business all over.
Suitable bearings required adapter sleeve for metric or imperial shaft sizes. For applications where housings of greater strength are needed, skf manufactures a range of plummer block housings of snh design in spheroidal graphite cast iron. Axial displacement of the shaft is then impossible fig. The synergies of our global network of nsk technology centres. Search by part specification, ntn part number, competitor part number, or drill down in a specific product category to order parts or download cad illustrations.
When a long shaft requires to support at intermediate point a pedestal bearing or more plummer block is put to use. They are suitable for high speeds and high temperatures. Plummer block housings sn3028, sn3126, sn524, sn620 and larger are provided with eye bolts. Plummer block housings are housings with oil seals, a plug and a grease nipple only. Timken snt split plummer blocks stronger outside timken engineered split plummer block.
This range is designed to handle higher load rating and moderate speed and allow dismantling of shaft without having to move the housing mounting as well. Sealing options nsk offers a range of sealing options including oil. This catalogue supersedes publication number 186 en. Plummer block catalogue pdf 3 plummer block housings have much to offer. 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. Plummer block assembly n drawings files 3d cad model.
Split plummer block design allows for easy mounting and dismounting of preassembled shafts. Supply of lubrication nipples or parts for closing off relubrication holes, where. Available in a variety of metric shaft sizes, timken snt plummer block units offer the. They can be equipped with nsks tough spherical roller bearings, which have high load capacity, low temperature rise and highstrength cages. To make a complete unit, please order the corresponding bearing, locating rings and other parts shown in the table additionally. View our range of skf plummer block bearings aka pillow block bearings with grub screws, eccentric locking collars or adapter sleeves. Split plummer block housings sns the schaeffler group. 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 blocks sd 3100 series bolt size and breaking loads. Plummer blocks are bearing blocks for selfaligning roller or ball bearings.
This video helps you to draw the assembled front and top view of plummer block manually. Snl plummer block housings enable the full service life potential of the incorporated bearings to be exploited with less need for maintenance. At quality bearings online, many of our clients choose our standard tracked dhl service, with a delivery time of between 1 and 3 working days. They are designed for grease lubrication o nly and can be supplied with lubrication holes if required. Plummer block pedestal bearing posted by rrk at 04. Benefits include a facility for easy mounting and dismounting of preassembled shafts. Functionality can be expanded through the connection of systems for condition monitoring and for automatic relubrication.
Cast iron gray cast iron is the standard material for the 200300. Sni and sn plummer block housings are split bearing housin gs for the fitting of self aligning ball or spherical roller be arings which are fixed to the shaft either by shrink fitting or with an adapter sleeve. Most bearing components typically ship protected with. Skf free cad models ybearing plummer block units, for. Plummer blocks manufacturer from china symmen metal. There are numerous types and sizes of plummer blocks. To watch this video in english, pay rs 10 inr account no. Masta group is self dependent manufacturing company having complete inhouse production activities, with own foundry, machineshop and related facilities. Unsplit spherical roller bearings with an adapter sleeve can be. Bearing housings support your bearings, protect them from contaminants while keeping in lubricant, and can also house monitoring equipment. Split plummer block housings sns are for the purpose of supporting rolling bearings. A castiron pedestal or blocks with a sole, tow split gum metal or bushes, a castiron cap and tow squareheaded. Tutorial on plummer block hareesha n g assistant professor dept of aeronautical engg dayananda sagar college of engg bangalore78 4920 1hareesha n gowda, dsce, blore78 2.
The masses in the table do not include the bearing, nut. Plummer blocks and accessories snn series and sd series 11 typical arrangements of plummer blocks how to order snn complete plummer blocks from nsk example 1 application with 2 plummer blocks free end through shaft diam 50 mm, equiped with 1 spherical roller bearing 22211eak, double lip seals on both sides. In this catalog, only the types marked by are shown. Download ybearing plummer block units, for high temperature applications. Available in a variety of metric shaft sizes, timken snt plummer block units offer the choice. Plummer block housings can be used with highcapacity spherical roller bearings or selfaligning ball bearings. Plummer block 4920 2hareesha n gowda, dsce, blore78 3. Multirelubrication points are provided to ensure relubrication of the bearing depending on. Plummer block catia v5 tutorial base part1 duration. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. The tolerances of both types are given in the tables below. What is the advantage of plummer block over a simple. However fundamental application of both types is the same which is to primarily mount bearings safely enabling their outer ring to be stationary while allowing rotation of the inner ring. Material sd plummer block housings are manufactured as standard, from grey cast iron gg25.
This enables higher radial loads to act on the housing cap. The table on the following page compares the various features of each seal type. You can also view our market and category specific catalogs below. Plummer blocks and accessories snn series and sd series 7 highperformance snn series plummer blocks are highly rigid and easy to handle. There is a separate mounting manual for mounting personnel. Snl plummer block housings have more to offer skf has developed the snl plummer block housings to be the first choice for design, quality and economy. The tolerances of ntn split plummer blocks meet jis b 1551, and those of unit type plummer blocks with.
Essentially, they provide customizable mounted bearing solutions and help maximize performance, service life and costefficient maintenance of the incorporated bearing. Welcome to masta group, for more than 70 years, the masta group with its brand masta has been one of the leading manufacturers of plummerblock bearing housings and various accessories. The range of shaft diameters is 115 mm to 530 mm and 4716 inch to 1912 inch. This catalogue contains split and unsplit plummer block housings as well as.
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 function of the seals and covers available as accessories is the sealing of the bearing position. Standard type plummer blocks sn 31, sn 5, sn 6 types shaft diameter 60 100 mm n n 1 l j h h s t 2 a 1 h 1 freeend fixedend width locating ring jd outside diameter a g jd 1 x2 60 sn 5 120 80 230 18 23 110 275 80 30 150 43 m 12 m 16 5. Plummer blocks bearing housings series sna 500 for bearings with adapter sleeves. Nsk is one of the leading companies with a long tradition in patent applications for machine parts. Plummer blocks sn5 j n n1 a1 s h1 h h2 t l shaft bearing abutment and fillet dimensions approx.
Discover all cad files of the nsk plummer blocks serie snn category from suppliercertified catalogs solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Housing material for a pillow block is typically made of cast iron or cast steel. When one locating ring is used for fixedend, the offset x dimension of bearing center from the center of the plummer block housing is a half of the locating ring width. Plummer block housings can be used with highcapacity spherical roller bearings or. Drain edge the chamfered edge prevents the penetration of moisture at the interface between the upper and lower section. Timken snt split plummer block housings are produced with highquality cast iron or ductile iron. Skf snh plummer block housings housing material grey cast iron, fg 260 as per is 210 snh plummer blocks are made of grey cast iron. Housings for shaft ends are supplied with an end cover in grey cast iron. Nsk plummer blocks available with a variety of special seal options and end covers to ensure effective sealing. Plummer blocks and accessories snn series and sd series 3 total quality by nsk. In the fixed plummer block, to prevent axial displacement of the bearing, 2 locating rings are installed, one on either side of the bearing. Sealing options nsk offers a range of sealing options including oil seals, labyrinth seals, or heavyduty taconite seals.
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