bearing internal clearance ntn 5 bearing internal clearance 5.1 radial clearance ... radial clearance in bearing initial radial clearance means the ... displacement value of bearing ring when the non-fixed ring was ... outer ring remained fixed before the bearing is installed on a shaft or in a housing ... machined ring needle roller bearing with inner ring the initial clearance ... values for this bearing type are as shown in table 5.1 table 5. ... due to the narrow clearance range the bearing clearances are represented by the ... for the radial clearance values for bearing types other than the machined ring ... needle roller bearings refer to commentary described in the ... 5.2.1 setting up running clearance bearing clearance in running that is running ... and vibration or running noise of bearing theoretically the bearing life comes to ...
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selection of lubrication oil reference bearing operating °c temperature 30 0 dn value ... rotational speed up to 15000 0 60 15 000 80 000 80 000 150 000 up to ... 15000 60 100 15 000 80 000 iso viscosity grades ... system heat value generating from bearing etc is equal to the sum of heat value ... radiated from housing and heat value carried away by ... lubrication oil where a standard housing is used the oil lubrication quantity as ... depending on the shape /profile of a housing used it is therefore desirable to ... the oil with no heat radiation from the housing the oil quantity q can be determined ... assuming that the shaft diameter on 2nd vertical line from the right ... d=0 q k q 8.2 where q oil quantity per bearing cm3/min k coefficient being determined ... as a guideline is around one year where bearings are lubricated with oil of 50°c and ...
abec tolerances 4 r=maximum shaft or housing fillet radius that bearing corners will ... standard cage availability bore d inch mm inch o.d d mm width b inch mm land ... diameter reference li lo ribbon crown fillet ... 32 5/32 1/16 1/16 1/16 9 16 28 35 19 21 60 30 33 6060 66 66 76 41 45 41 45 76 140 ...
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abec tolerances 4 r=maximum shaft or housing fillet radius that bearing corners will ... standard cage availability bore d inch mm inch o.d d mm width b inch mm ribbon ... flange flange dia width df bf land diameter reference li lo fillet radius r ball ... 16 3/32 1/16 5/32 5/32 9 16 28 35 19 21 60 30 33 6060 66 41 45 41 45 76 140 43 88 ...
by table 6.2 nut tightening force bearing bore diameter nut tightening force ... front cover drive-up mm n mm 20 25 2940 4900 30 35 40 4900 9800 45 ... 50 55 60 65 9800 14700 70 75 80 85 90 95 100 ... ntn has no production record for bore diameter of 220 mm or larger thus the nut ... tightening force when incorporating a bearing into a main spindle the bearing must be ... and maintained with a predetermined bearing pressure in order to maintain ... clearances and rigidities of the bearing and main spindle when axially locating ... a duplex angular contact ball bearing by using a bearing spacer the cross- ... depending on the tightening force the bearing pressure and elastic deformation by ... when securing an angular contact ball bearing onto a main spindle the bearing inner ...
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clearance value 0.015 l1 15 dm dia 60 1 0.0285 then dm/di 60/101.5417 0. ... operation detach the fixture 4 bearing clearance measurement after insertion ... the spacer does not move next move the bearing outer ring up and down by hand and ... internal clearance rn the estimated bearing clearance n after press-fitting of the ... outer ring into the housing is determined with the formula below n ... ln so as to adjust the postmounting bearing clearance to the targeted clearance ”by ... 1 measurement of outer ring raceway diameter bore diameter ”mount the outer ring ... into the housing for easy mounting heat the housing ” ... and then measure the outer ring raceway diameter bore diameter take measurements at ... the gage at this average value 0.04 mm assembled clearance 0.03 0.02 0.01 ...
ntn rolling bearings handbook 9 bearing internal clearance and preload 9.1 ... bearing internal clearance as shown in fig 9.1 ... prior to mounting the bearing on the shaft and housing when either ... internal clearance for deep groove ball bearings is given as an example in table 9.1 for ... a54 65 of the ntn ball and roller bearings catalog measurement load is of course ... measurement load particularly for ball bearings table 9.2 radial internal clearance ... for measurement load deep groove ball bearing unit m internal clearance nominal ... bearing bore diameter d mm measurement load correction amount over ... axial internal clearance 1 2 fig 9.1 bearing internal clearance 10 1 18 50 24.5 49 ... 147 1 this diameter is included in the group 9 unit m c5 ... internal clearance for deep groove ball bearings nominal bearing bore diameter d mm over ...
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ntn rolling bearings handbook 2 oil quantity when ... lubrication is forcibly fed to the bearing the amount of heat generated from the ... bearing etc equals the sum of the radiant heat ... given off by the housing and heat given off by the oil the ... quantity of oil required for a standard housing is calculated by the equation 12.2 q k ... 2 where q quantity of oil supplied per bearing cm3/min k allowable oil temperature ... radiant heat varies depending on the housing shape by referring to the calculated ... should be calculated as the shaft diameter d 0 the oil replacement limit in the ... °c k 1.5 1 0.75 0.6 10 15 20 25 example bearing type 3022ou fr 9.5 kn n 1800 rpm ... example when bearing temperature rise held to 15°c for oil ... r dp loa kgf 12 2 1 3 4 5 6 8 bearing type self-aligning roller bearings ...
mba bearings linear ball thomson precision steel ... com.au/o gue/tech/linear/steelopen .pdf bearings linear ball thomson precision steel ... open length c mm 31.750 0.00 24.562 0.000.38 0.41 38. ... 0.00 51.029 0.000.51 0.46 76.200 0.00 60.350 0.000.51 0.46 1.73 2.18 1.73 1.42 11. ... width slot width e distance c1 c2 mmmmmm no ball circuits weight kg dynamic ... load recom cap kgf housing bore mm 0.03 0.05 0.08 0.15 0.41 0.51 27 47 63 ... 179 268 22.200 to 22.250 28.550 to 28.600 31.725 to 31.775 39.662 to 39.713 50. ... 775 to 50.825 60.300 to 60.350 part number nom shaft size t mm working ... bore diameter t mm topn-81420 12.70 12.687 to 12.713 ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
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bearings linear ball thomson precision steel ... open length c mm101.600 0.00-0.51 127.000 0.00-0.64 152.400 ... width slot width e distance c1 c2 mmmmmm no ball circuits weight kg dynamic ... load recom cap kgf housing bore mm part number nom shaft size t mm working ... bore diameter t mm topn-324864 50.80 50.780 to 50.820 ... .20 76.170 to 76.230 topn-6496128 101.60 101.549 to 101.651 indicates item not ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
mba bearings linear ball thomson super smart open ... /o gue/tech/linear/supersmar topen.pdf bearings linear ball thomson super smart open ... groove slot width mm number of ball distance x circuits ... width c1 x mm22.60 0.00/0.50 x 1.300 26.21 0.000.50 x 1. ... 225 28.58 0.000.76 x 1.397 24.60 0.00/0.50 x 1.300 32.64 0.000.76 x 1. ... 397 31.20 0.00/0.50 x 1.600 8.64 9.0 10.41 10.0 7.87 7.0 4 6 8 8 8 ... 0.06 0.05 82 161 277 241 504 439 recom housing bore mm 22.000 to 22.012 22.225 to 22. ... nom shaft size working bore length c mm t mmdiameter t mm lsp12c 12.00 11.987 ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
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bearings linear ball thomson super smart open ... groove slot width mm number of ball distance x circuits ... width c1 x mm 43.70 0.00/0.50 x 1.850 48.29 0.000. ... .001.02 x 1.727 62.03 0.001.02 x 2.184 60.30 0.00/0.50 x 2.150 19.0 8 0.32 1505 18. ... .700 47.000 to 47.012 50.800 to 50.825 60.325 to 60.350 62.000 to 62.012 12.5 8 0.11 ... kg dynamic load capacity kgf recom housing bore mm part number 58.00 57.15 0.000. ... nom shaft size working bore length c mm t mmdiameter t mm lsp25c 25.00 24.987 ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
mba bearings linear ball thomson super smart ... o gue/tech/linear/supersmar tclosed.pdf bearings linear ball thomson super smart ... closed length c mm 25.00 32.00 31.75 0.000.50 38.10 0. ... .00 41.28 0.000.50 32.64 0.000.76 24.60 1.30 1.40 28.58 0.000.76 1.40 26.21 0 ... .000.50 1.23 6 10 10 10 22.60 1.30 5 16.20 1.10 4 groove groove width ... distance c1 c2 mmmm number of ball circuits weight kg ... dynamic load recom recom capacity kgf housing bore housing bore fixed mm adj mm 0.02 ... to 22.025 22.225 to 22.250 28.575 to 28.600 26.000 to 26.025 31.750 to 31.775 part ... number nom shaft size t mm working bore diameter t mm lsp8a 8.00 7.987 to 8.000 lsp12a ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
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bearings linear ball thomson super smart ... closed length c mm 45.00 58.00 57.15 0.000.50 68.00 66.68 ... 0.000.64 76.20 0.000.76 80.00 60.30 2.15 10 0.39 1505 62.03 0.001.02 2.18 ... .02 1.73 10 0.24 1049 50.800 to 50.825 60.325 to 60.350 62.000 to 62.012 51.70 1.85 ... .713 47.000 to 47.025 50.800 to 50.825 60.325 to 60.350 62.000 to 62.025 43.70 1.85 ... .000 to 40.012 40.000 to 40.025 31.20 1.60 10 0.07 439 32.000 to 32.012 32.000 to ... .025 groove groove width distance c1 c2 mmmm number of ball circuits weight kg ... dynamic load recom recom capacity kgf housing bore housing bore fixed mm adj mm part ... number nom shaft size t mm working bore diameter t mm lsp20a 20. ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
ntn needle roller bearing handbook 1 needle roller bearings 1 1 ... classification of needle roller bearings 1 2 comparison with general bearings 1 ... greater load-bearing capacity in a more compact design ... needle roller bearings are smaller than general bearings but ... allows for more compact designs for bearings as well as for bearinghousings use of ... these bearings lowers costs by allowing for lighter- ... compact structures fig 1.1 compares bearings with 30 mm bore diameters needle roller ... bearings have 2 to 8 times the load-carrying ... capacity per given mass than other bearing types 1 needle roller bearings are ... groups ”needle roller and cage assembly bearings ”full-complement needle roller bearings ... :kgf w:kg 80 specific load rating cr w 60 40 20 0 0.8 load rating cr kgf mass w 0 ...
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ntn needle roller bearing handbook fig 1.2 shows a comparison of ... bearing sizes of standard dimensions and ... loadcarrying capacity needle roller bearings have one-half the outside diameter and ... one-fifth the mass of deep-groove ball bearings needle roller and cage assembly ... bearings differ from general bearings in that if the shaft and bearing ... housing can be made to a specific hardness ... assemblies can function as independent bearings without inner and outer rings bearings ... be used in the same space as a metal bearing 1 1.4 1.2 mass ratio 1.0 0.8 0.6 0.4 0. ... 0 4000 3000 load rating outside or bore diametermm 120 100 80 60 40 20 k45x 53x20 hk ... 5025 rna 5907 rna 4908r 6015 6211 3207 6308 3306 nn 3007 nu 207 nu ... 2206 nu 306 nu 2304 bearing series fig 1.2 5 ...
pillow type bearing unit f-ucpm2 series cylindrical bore ... bsnn1 12 0° h2 h h1 l1 j l a shaft dia mm inch 20 4 25 16 8 16 1 30 1 16 1 ... unit number h l j 95 3 4 105 4 8 mm inch bolt size bearing number h2 l1 b s ... f-uc210-115d1/lp03 f-uc210-200d1/lp03 housing number pm204 pm204 pm205 pm205 mass of ... 32 2 16 1.9370 0.748 105 4 8 114 4 2 60 49.2 19 2 8 1.9370 0.748 65 51.6 19 f- ... f-ucpm210-200/lp03 2 16 2.0315 0.748 housing tolerances jis b 1559 1 tolerances for ... spherical bore of housing unit m/0.0001 inch tolerance class j7 ... height tolerances for pillow type bearing unit unit mm/inch s da housing part ... number housing number pm fm 204 205 208 h deviation hs ... 0.006 h 209 210 dam mean spherical bore diameter deviations ...
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rhombus flange type bearing unit f-ucfm2 series cylindrical bore ... b s n 12 0° ljha1 a2 a a0 shaft dia mm inch 20 4 25 16 8 16 1 30 1 16 1 ... unit number h j a2 15 32 16 8 mm inch bolt size l 60 2 8 68 bearing ... number housing number fm204 fm204 fm205 fm205 mass of ... 0.748 54.6 51.6 19 2 32 2.0315 0.748 housing tolerances jis b 1559 3 tolerances for ... rhombus flange type housing xm a2 recommended tightening torque for ... inner ring to crack unit n m/lbf inch bearing number f-uc 204 205 designnation of set ... max 3.9 34 4.9 43 5.8 52 7.8 69 j unit mm/inch housing number fm204 fm210 206 207 ... the center line of spherical bore diameter of the housing j is the bolt hole s ...
bushes all with a standard 30mm outside diameter they are 2mm thick and available in a ... and a range of cutting angles from 60° left to 60° right the bandsaw takes 1, ... e has a solid ribbed die-cast aluminium housing and features double ball bearing ... most materials the blade size 5.0 x 0.4 mm is ideal for fine work allowing cutting ... includes one 1,065 x 5.0 x 0.4 mm 14 tpi band saw blade model rating ... rip fence ex.vat £17.53 inc.vat £20.60 order no 474198-26 475531-26 475968-26 ...
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tools 255 proxxon dh40 thicknesser load bearing components are all made of die-cast ... aluminium with milled seats for bearings and spindles for vibration-free smooth ... with electronic speed control the ball bearing spindle is bored through at 10mm for ... 610872-26 micro shaper 240v 600499-26 set of 10 hss cutters ex.vat £137.90 £ ... 14.98 inc.vat £162.03 £17.60 proxxon thermocut hot wire cutter this ... the holder and wire coil 30m 0.2mmdiameter is included may be shifted along the ... feed for exact operations runs in ball bearings spindle with 1/2 thread accepts the ... rating power speed throat chuck travel diameter of column table size weight tbh trade ... 2400 4500rpm 140mm63mm45mm 200 x 200 mm 10kg proxxon mk240 compressor with ...
of ntn engineering plastics sliding bearings indication of serial number r-ml length ... inner diameter model code dimensions to be measured at ... tolerances 25 30 40 0 -0.25 dimension mm60 80 c recommended fit mm shaft h7 3 4 ... 24 25 26 28 30 31 32 35 38 40 45 50 55 60 65 70 0 -0.010 0 -0.012 0 -0.012 0 -0. ... 035 0.035 0.035 0.045 0.045 0.045 0.045 mm when mounted in h7 housing made of ... carbide 50 mm 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 ... 0.5 housing h7 5 6 7 8 9 10 11 12 14 15 16 17 18 19 ... 25 27 28 30 32 34 35 36 39 42 44 50 55 60 65 70 75 +0.012 0 +0.012 0 +0.015 0 +0. ...
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of ntn engineering plastics sliding bearings slit l t mlc type 0.5 d d mlc bearing ... for a bush 10mm or less in outside diameter or 7mm or less in length should be ... dimensioning in the drawing outer inner diameterdiameter d 3 4 5 6 7 8 9 10 12 13 14 15 ... 24 25 26 28 30 31 32 35 38 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 120 ... 25 27 28 30 32 34 35 36 39 42 44 50 55 60 65 70 75 80 85 90 95 100 105 110 115 ... 1 the minimum clearance is 0.025 mm when the preferred shaft and housing ... are used 2 use 1.7 10-7 mm3/n·em as a guide line for the specific ...
of ntn engineering plastics sliding bearings indication of serial number r-ml length ... inner diameter model code dimensions to be measured at ... tolerances 25 30 40 0 -0.25 dimension mm60 80 c recommended fit mm shaft h7 3 4 ... 24 25 26 28 30 31 32 35 38 40 45 50 55 60 65 70 0 -0.010 0 -0.012 0 -0.012 0 -0. ... 035 0.035 0.035 0.045 0.045 0.045 0.045 mm when mounted in h7 housing made of ... carbide 50 mm 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 ... 0.5 housing h7 5 6 7 8 9 10 11 12 14 15 16 17 18 19 ... 25 27 28 30 32 34 35 36 39 42 44 50 55 60 65 70 75 +0.012 0 +0.012 0 +0.015 0 +0. ...
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of ntn engineering plastics sliding bearings slit l t mlc type 0.5 d d mlc bearing ... for a bush 10mm or less in outside diameter or 7mm or less in length should be ... dimensioning in the drawing outer inner diameterdiameter d 3 4 5 6 7 8 9 10 12 13 14 15 ... 24 25 26 28 30 31 32 35 38 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 120 ... 25 27 28 30 32 34 35 36 39 42 44 50 55 60 65 70 75 80 85 90 95 100 105 110 115 ... 1 the minimum clearance is 0.025 mm when the preferred shaft and housing ... are used 2 use 1.7 10-7 mm3/n·em as a guide line for the specific ...
bearing internal clearance and preload 1 ... clearance due to interference when bearings are installed with interference fits on ... shafts and in housings the inner ring will expand and the ... ring will contract thus reducing the bearings internal clearance the amount of ... varies depending on the shape of the bearing the shape of the shaft or housing ... clearance due to heat differential mmbearing steel linear expansion coefficient 12.5 ... differential do outer ring raceway diametermm t 0.70 0.90 deff 8.2 where reduced ... amount of clearance due to interference mm deff effective interference mm f outer ... ring raceway diameter do values can be approximated by using ... formula 8.4 or 8.5 for ball bearings and spherical roller bearings do 0.20 d ... 4.0d 8.4 for roller bearings except self-aligning do 0.25 d 3.0d 8. ...
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for lubricating oils reference bearing operating temperature °c 30 0 dn-value ... to allowable revolutions 15,000 up to 0 60 15,000 80,000 80,000 150,000 ... shock load 46 100 68 32 22 32 suitable bearing all types all types all types all types ... but thrust ball bearings single row radial ball bearings ... cylindrical roller bearings all types all types all types but ... thrust ball bearings single row radial ball bearings ... cylindrical roller bearings all types self-aligning roller bearings ... 150,000 500,000 15,000 up to 15,000 60 100 80,000 80,000 150,000 220 150 100 ... 150 150,000 500,000 100 0 60 150 60 100 up to allowable revolutions up to ... systems the heat radiated away by the housing and surrounding parts plus the heat ... to the amount of heat generated by the bearing and other sources for standard housing ...
bearing engineering data radial internal ... ll nicetm single row deep groove ball bearings are designed and produced with radial ... for optimum performance nicetm ball bearings are supplied with normal radial ... listed in the table below apply to bearings before mounting and under no load and ... internal clearance 0001 inch 001 mm precision level normal tight loose ... 7 22 2 56 7 22 2 56 7 22 2 56 10 60 25 152 10 40 25 102 25 64 10 25 ... 25 178 10 25 25 64 a recommendedhousing fits er series basic bearing number ... outside diameter of bearing min in mm 1.8499 46.987 1.8499 46.987 2.0466 51. ... .984 3.1490 79.985 3.5425 89.980 max in mm 1.8504 47.000 1.8504 47.000 2.0472 51. ... 8346 71.999 3.1496 80.000 3.5433 90.000 diameter min in mm 1.8494 46.975 1.8494 46.975 2 ...
bearings linear ball thomson super closed ... length c mm 57.150 0.00 47.854 0.000.51 0.51 66. ... 76.200 0.00 61.214 0.000.76 0.51 101.600 0.00-1.02 81.102 0.000.76 2.67 6 0.66 ... 1339 76.200 to 76.225 2.18 6 0.39 893 60.325 to 60.35060.325 to 60.350 76.200 to 76 ... .713 groove groove width distance c1 c2 mmmm number of ball circuits weight kg ... dynamic load recom recom capacity kgf housing bore housing bore fixed mm adjustabl mm ... part number nom shaft size t mm working bore diameter t mm tsuper-16 ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
bearings linear ball thomson precision steel ... closed length c mm 66.675 0.00 51.029 0.000.51 0.46 76. ... 200 0.00 61.341 0.000.51 0.46 101.600 0.00-0.51 127.000 0.00-0.64 152.400 ... not recommended 2.18 6 0.65 344 60.325 to 60.35060.282 to 60.307 1.73 6 0.50 ... .782 groove groove width distance c1 c2 mmmm number of ball circuits weight kg ... dynamic load recom recom capacity kgf housing bore housing bore normal mm press mm ... part number nom shaft size t mm working bore diameter t mm ta-203242 ... 76.20 76.170 to 76.200 ta-6496128 101.60 101.549 to 101.600 indicates item not ... without notice copyright miniature bearings australia pty ltd mba size listings are ...
light weight water resistant ntn bearing units in the plastic series feature ... ball bearings inserted into housings made of plastics that provide superior ... and rust free properties of the housing the solid grease lubricant in the ball ... bearing solely developed by ntn reduces ntn ... leakage from the bearing significantly reducing environmental ... pollution also the housing will not stain nor is there paint to ... solid grease type for these ball bearing units is spot-pack which places the ... lubricant on the bearing cage torque consumption capabilities of ... spot-pack bearings is low due to reduced whip resistance ... to standard grease lubricated ball bearings weight is reduced more than 30 to 60 ... series units the glass filled polyester housing not only reduces corrosion but offers ...
interface match ground precision roller-bearing spindle with vacuum clamping 360° brake ... dual-axis fine adjust system 17 432 mm tft touchscreen interface with rubber ... coordinates features measuring range diameter 420 mm additional 50 mm travel to the ... for turning applications length 400 mm 500 mm or 600mm resolution heidenhain ... on both axis encoder resolution .0005 mm readout resolution .001 mm linear ... and weight overall width 1,524 mm60 depth 527 mm 21 height 890 mm 35 ... with 400 mm z-travel 1,115 mm 44 with 600mm z-travel average shipping weight 295 ... kg 650 lbs utilities electric 110v 60hz to 220v 50hz air standard shop air 60- ...
varnish 110/220 vac usable for 50 or 60 hz current dimensions weight don t just ... for 3cx1500a7/8877 tube b 391-3500 $30.60 chimney for 3cx1200a7 and 3-500z tubes ... cont $32.31 50 ohm 200w cont .75 2.76 e diameter 1 1 /2x /2 in 3/4 inches 3/4 inches 3/4 ... used in 10-15115-1 feedthru insulators 606-1006 $3.95 ceramic feedthrough insulator ... comes complete with hardware 3/4 diameter x11/4 fits 7/16 dia chassis hole item ... 1000 vac 10-32 stub is tin plated brass 606-0013 $2.50 red 606-0014 $2.50 black high ... amplifiers a 410-3583 $18.85 80x80x38.5 mm b 1800 rpm 28 cfm 30 dba noise level ... sleeve bearing 120 vac 60 hz w 14 wire lead c b 410-4584 90 fan ... box fan by ebm metal a 719c-0500c housing with metal impeller $0.50 a b extremely ... quite 120x120x38.5 1/4 diameter by mm 61 cfm 28 dba 1/2 long 6-32 threaded ...