Contents features 2 advantages 2 dimensions 3 material 3 bearing seat and fitting of bearings 3 seals and covers 4 lubrication 5 mounting instructions 10. When a long shaft requires to support at intermediate point a pedestal bearing or more plummer block is put to use. Snln 30 plummer block housings are split and replace old sn 30 housings. Housing units are available as plummer block, flanged and. Snt spherical roller bearing plummer blocks 95 nomenclature. Files 4 plummer block assembly n drawings plummer block assembly n drawings loading. 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. They can be equipped with nsks tough spherical roller bearings, which have high load capacity, low temperature rise and highstrength cages. Bearing fit is governed by the selection tolerances for bearing shaft diameters and housing bore diameters. Schaeffler systems competence as one of the worlds leading rolling bearing manufacturers, schaeffler offers proven bearing solutions for a very wide range of applications. Generallyused, standard fits for most types of bearings and operating conditions are shown in tables 7.
Selfaligning plain bearing housing and plummer blocks are available in standard catalogued sizes, which can be used with or without lubricant. Skf bearing catalogue contains the standard assortment of skf rolling bearings typically used in industrial applications. Dimension x indicates a deviation of the bearing center relative to the plummer block center, and its value is 12 the width of the setting washer. Snc for shaft diameters from 20 to 140mm and sncd500 where a higher load capacity is required scnd large housings for shaft diameters from 150mm to 480mm. Multirelubrication points are provided to ensure relubrication of the bearing depending on orientation. Masta group is self dependent manufacturing company having complete inhouse production activities, with own foundry, machineshop and related facilities. Masta group masta bearing housing pvt ltd one stop. 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.
Corresponding seals compensate for the gaps between the shaft and the housing passage. Skf split pillow block housings are modular systems, designed to maximize the performance of bearings mounted in them. What is the advantage of plummer block over a simple. 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. Without picture insert the locating ring on both sides of the bearing for fixed end. Plummer blocks bearing housings series sna 500 600 for bearings with adapter sleeves plummer shaft block dia da da 1 7.
Also available in ductile iron ggg, with lubricating and grease outlet holes and grease quantity regulator. Ef flanged block, fixed 4bolt type e interchange f flanged block, fixed 4 or 6bolt. Split plummer blocks offer easy mounting and dismounting of preassembled shafts. Available in a variety of metric shaft sizes, timken snt plummer block units. Plummer block or pedestal bearing assembly drawing,online education duration. They can be equipped with nsks tough spherical roller bearings, which have high load capacity, low. Ntnsnr bearings shall not be held liable for any possible errors or omissions that may have been included in this catalogue despite the.
These plummer block housings can accommodate different types of seals, varying from the simple felt seal to the more complex steel and aluminium. To provide the highest levels of quality and customer service, these products are available worldwide through skf sales channels. Find the exact bearing you need using ntn bearing finder, our powerful online catalog platform. Split plummer block housings sns the schaeffler group. 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. Snt metric plummer blocks and the saf inch pillow block line which include a wide range of sizes, housing designs.
Plummer block assembly n drawings split plummer block design allows for easy mounting and dismounting of pre. Arun 24 plummer blocks bearing housing of snh500 series for tapered bore bearing shaft housing dimensions in mm housing no. When you receive a bearing or plummer block shipment, do not remove. An skf bearing housing, together with appropriate skf bearings constitute economic, interchangeable bearing units that meet the demand for designs that are easy to maintain. If one side of the housing will be closed, add the letter y to the assembly part number. 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. Available in a variety of metric shaft sizes, timken snt plummer block units offer the choice. Ina housing units are available as plummer block, flanged and takeup housing units in numerous different designs. Plummer block assembly n drawings files 3d cad model. Plummer block housings can be used with highcapacity spherical roller bearings or selfaligning ball bearings. Cbse class xii engineering graphics bushed bearing assembly drawing. Skf uses cookies on our web site to align the information shown as closely as possible to the visitors preferences and to tailor our web site user experience in general. Snc the pillow block range manufacturer of bearings. The company designs, makes and markets highperformance mechanical components.
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. Plummer block installation guide plummer block installation guide. Fag split plummer block housings of series snv for shaft diameters of 20 to 160 mm and 34 to 512 inches. Plummer block center, and its value is 12 the width of the setting washer.
The new generation of split pillow block housings saf makes a further contribution to providing our customers with reliable, economical solutions. Plummer blocks in 2 pieces meet all the normal requirements for supporting a bearing on a shaft. Timken snt plummer blocks feature durable castiron housing and robust sealing options to keep lubrication in and contamination out. Sn 200 series plummer block housings split for spherical ball and roller bearings on a cylindrical shaft, felt seals included, cast iron gg 20. The tensioners also provide uniform assembly preload or uniform. Split fag plummer block housings sns and the associated bearings form bearing arrangement units that can be matched, through the specific selection of seal.
Selfaligning ball or roller bearing is built into plummer block. The inner lip prevents lubricant from escaping from the housing. The units are readytofit and comprise ina cast iron or sheet steel housings in which ina radial insert ball bearings are fitted. 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. Bearing adapter locating qty dia felt seals double lip vring labyrinth no. Arun 10 plummer blocks bearing housing of sna 500 series for tapered bore bearing shaft housing dimensions in mm housing no. Bearing adapter locating qty dia felt seals double lip vring labyrinth no sleeve ring no req. Each seal type incorporates specific features to meet your application needs. Rex and linkbelt spherical roller bearing units spherical roller bearing units catalog. Plummer blocks sd 3100 series bolt size and breaking loads.
Where only one is supplied fit it on the same side as the tapered sleeve lock nut. Snt plummer block bearing housing the timken company. Place the shaft and bearing assembly in the lower half of the split housing. The tolerances of both types are given in the tables below. Plummer block assembly pdf figure 2 views and dimensions of the casting. Standard type for bearing with adapter assembly d1 25140mm. Place the shaft and bearing assembly in the lower half of the housing. Each size is supplied with standard felt seals and fixing rings. Benefits include a facility for easy mounting and dismounting of preassembled shafts.
Snl 30 and snl31 plummer block housings solve the housing. Our extensive offering of tapered roller bearing combinations provides equipment builders and. It is made in two halves to provide easy placing and removal of the shaft in and from bearing. A castiron pedestal or blocks with a sole, tow split gum metal or bushes, a castiron cap and tow squareheaded bolts for fastening the cap and the block. Pti features installation maintenance 3 components to the assembly.
Technology in motion hfb walzlagergehausetechnik gmbh. Over years, masta group records its business all over. Widely used fits for 0 class tolerance bearings and various shaft and housing bore diameter tolerances are shown in fig. Plummer blocks and accessories snn series and sd series 7 highperformance snn series plummer blocks are highly rigid and easy to handle. Snh plummer blocks have dowel pins at its mating surface to ensure correct assembly of base and cap. Adapter sleeve including lock washer and nut this video. Without lubrication and grease outlet holes with lubrication and grease outlet holes. The table on the following page compares the various features of each seal type. Split plummer block housings avail able on the market are mainly intended for selfaligning ball bearings, spherical roller bearings and carb. For bearing applications in the ventilation or fan assembly where due to high speeds, a continuous lubrication is necessary, we supply sn housing variations snvs, snr with grease regulators, see page 29 seals for plummer block housings depending on the application, the plummer block.
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