SNR : The SNC Pillow Block Range for Your Application - Ntn-snr.com

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Structural detailsDuring development of our new SNC series, we have optimised many aspects of the housing. This optimisationis the result of our decades of application know how for bearing housings. We have incorporated avariety of practical details that make mounting easier and safer for the user and guarantee maximumreliability. The FEM-optimised housing provides additional benefits including:Strength properties andheat dissipation:The circular ribbing on thehousing body gives theSNC housing excellentform stability and rigidity.Furthermore, this structuralfeature helps to optimizethe vibration behaviourand heat dissipation of theunits.Heat dissipation:The support surface in thefoot of the SNC housingensures extremely efficientdissipation of operatingheat.The X-shaped supportsurface and the crosspiece in the housing footstrengthen the bearing seat substructure and thussupport the construction at a critical point.Connection bolts:On SNC pillow blockhousings, bolts with alarger diameter than oncomparable housingsare used to connect theupper and lower sectionsof the housing.This enables higher radialloads to act on thehousing cap.Mounting holes:The holes incorporatedinto the underside of thehousing foot simplify exactalignment of the units inseries production.Dowel pins that are preinstalledin the mountingsurface as set out in thetable (see page 26) indicatethe exact position. If modificationof the housingis necessary, the mountingholes can also be used for alignment on a processingmachine with no problems.6
Drain edge:The circular edge preventsthe penetration ofmoisture at the interfacebetween the upper andlower section.Grease drain hole:All SNC housings arefactory-fitted with agrease drain hole.In addition to thedefault position, otherlocations can also beselected for the greasedrain hole. Positionsare marked by centrepunching. The drainhole is located in thefoot area opposite thelubricating fitting. It ensures that excess greasefrom inside the housing can escape.(Drain holes are sealed with threaded plugs whendelivered.)Lubricating fitting:There are several centrepunching points inthe housing cap, whichcan be used for alternativethreaded holes. Exworks, the SNC housinghas one threadedhole.(The threaded hole issealed when delivered. One flat headed and onetapered lubricating fitting is included.)Alignment markings:For quick and easyalignment on the mountingsurface, SNC housingshave positioningmarks.These are locatedunder each shaft outlethole and on the side ofthe housing foot.Dismounting edge:Simplifies dismountingfor maintenance workon the bearing units. Alever can be used toeasily separate theupper and lower sectionsof the housingfrom one another atthese points.7
Page 1: IndustrySNR : The SNC PillowBlock R
Page 4 and 5: ForewordSNR is one of Europe's lead
Page 6 and 7: Latest generation of SNCpillow bloc
Page 10 and 11: Markings for mounting with fourfast
Page 12 and 13: Seal versionsSC..DS Double lip seal
Page 14 and 15: Sealing systemsThere are a wide var
Page 16 and 17: Dimensions of supporting rings for
Page 18 and 19: Cover plate SC...ECCover plates are
Page 20 and 21: Bearing arrangement constructionSNC
Page 23 and 24: Loads and torquesThe table below co
Page 25 and 26: Lubricating fitting and lubricant d
Page 27 and 28: Abutment dimensions for B RDC regul
Page 29 and 30: Mounting the bearingsIt is often th
Page 31 and 32: Preparations and important instruct
Page 33 and 34: 34Clamp the shaft horizontally (pro
Page 35 and 36: 4 5Clamp the shaft horizontally (pr
Page 37 and 38: 3 4Insert the pre-mounted shaft int
Page 39 and 40: 34Insert the pre-mounted shaft into
Page 41 and 42: 2Clamp the shaft horizontally (prot
Page 43 and 44: V-ring sealSC..SV+CoverSC..ECLabyri
Page 59 and 60:
V-ring sealSC..SV+CoverSC..ECLabyri
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Maintenance: SNR lubricating grease
Page 71:
SNR : SNC Pillow Block HousingsDesi
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SNR : The SNC Pillow Block Range for Your Application - Ntn-snr.com

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