Catalog: Plummer Blocks
Company/Brand: NTN Corporation Japan
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| | contents 1 structure 3 2 plummer block and rolling bearing tolerances 4 2.1 ... plummer block tolerances 4 2.2 machining tolerances ... of mounting bolt seat faces 8 2.3 rolling bearing accuracies9 2.4 ... rolling bearing internal clearance 11 3 plummer block and bearing materials13 3.1 ... plummer block materials 13 3.2 bearing materials 14 4 ... strength of plummer blocks and combination with bearings15 4.1 ... strength of plummer blocks 15 4.2 combinations of plummer blocks ... 21 7.1 bearing-to-shaft fit21 7.2 mounting dimensions 21 8 lubrication 23 8.1 ... grease lubrication 23 9 handling the plummer blocks and bearings 24 9.1 inspection ... components 25 9.4 assembling the plummer blocks 29 9.5 running inspection 30 9.6 ...
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| | plummer block and rolling bearing tolerances 2.2 ... machining tolerances of mounting bolt seat faces when subjected to a ... greater lateral load a plummer block cannot be reliably secured with the ... tightening force of mounting bolts alone to overcome this problem ... the end faces of the mounting bolt seat are secured with stoppers to ... lock the plummer block with the plummer block used in this type of application the ... end faces in contact with the stoppers are ... machined when a plummer block mounting seat end faces have been machined the ... l dimension after machining of the end faces of bearing base table 2.5 machining ... allowance plummer block part number sn506 sn519 sn206 sn219 ... of dimension l after machining of mounting bolt seat end faces dimension after ...
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| | strength of plummer blocks and combination with bearings 4 ... strength of plummer blocks and combination with bearings 4.1 ... strength of plummer blocks the disruptive strength of plummer ... block varies depending on its type nature and ... of sn5 and sn6 s6 series of cast iron plummer blocks is plotted in figs 4.1 and 4.2 ... respectively when selecting a plummer block the safety factors in table 4.1 must be ... flatness is required of a surface for mounting a plummer block table 4.1 safety ... factors of cast iron plummer blocks nature of load safety factor light 4 ... counter a horizontal or axial load the face of the bed must be secured with a ... shock load is present or a fractured plummer block can lead to severe accident ntn ...
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| | bore bearing each mounted to a plummer block table 7.1 summarizes the recommended ... is greater than normal clearance 7.2 mounting dimensions to be able to correctly seat ... shaft end does not interfere with the face of bearing bore for reference table 7.3 ...
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| | handling the plummer blocks and bearings 9 handling the plummer ... blocks and bearings rolling bearings are ... be protected against possible rusting plummer blocks also need similar handling ... before installing a bearing and a plummer block the following points must be ... 9.1 fig 9.3 5 check the flatness of the mounting face of the plummer block when placed ... on a frame the plummer block must be stably seated 9.2 preparation ... even though very small from the mating faces with an oil stone or fine emery paper ... check that the contact face to the seal has specified surface ... dust and metal chips from the inside of plummer block fig 9.3 fig 9.4 24 ...
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| | handling the plummer blocks and bearings 9.3.1 bearing with an ... the taper threading and the chamfered face of the nut see fig 9.10 before press- ... remove oil from the shaft and the bore face of sleeve with a clean factory cloth ...
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| | handling the plummer blocks and bearings 9.4 assembling the plummer ... blocks when installing two or more plummer blocks on a shaft use one block to ... axial direction and arrange the other block s so that the outer ring s of bearing s ... in the latter block s can move freely in the axial ... inserted over the shaft assemble the plummer blocks according to the following ... side 3 adjust the position of the plummer block of the nonlocating bearing to ... bearing to the bearing seating if the plummer block is to be used in a high ... located check the squareness of the plummer block relative to the shaft make sure ... the face of bearing inner ring is parallel with ... fully tighten the nut remember a larger mounting error can cause the seal to fail or the ...
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| | handling the plummer blocks and bearings 9.6 maintenance and ... on bearing 2 temperature on bearing or plummer block 3 vibration on shaft 4 leaking ... or worn oil seal 5 loose tightening and mounting bolts 6 trouble-free operation of the ... drawn out by placing a jig to the face of the inner ring and exerting a force ... that the jig is fully engaged with the face of the inner ring 9.7 bearing ... two to three turns place a drift to a face of the nut lightly tap the drift to ...
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