Catalog: Ball Bearings
Company/Brand: QBC Quality Bearings & Components
quality bearings components technical section 2 4 in Ball Bearings by QBC Quality Bearings & Components
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 005 .378 .378 .378 .378 .378 .378 .378 .440 .440 .565 .565 .628 .628 .628 .753 .753 ... .565 .565 .440 .628 .440 .4395 .502 .628 .6905 .628 note use technical ... section table 2-4 installation data continued on the next ... page 3/8 1/2 5/8 3/4 7/8 1 1-1/4 3/8 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 3/8 1/2 3/4 1 ... 1-1/4 3/8 1/2 5/8 3/4 7/8 1 1-1/4 3/8 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 1/2 1 ... 1-1/2 3/8 1/2 running clearance min recommended ... clearance for oil-impregnated bearings used with ground steel shafting shaft ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 001 i.d 000 001 o.d l length 5/8 3/4 7/8 1 1-1/8 1-1/4 1-1/2 1/2 5/8 3/4 7/8 ... 1 1-1/8 1-1/4 1-1/2 3/8 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-1/2 1-3/4 2 1/2 3/4 ... 1 1-1/2 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 3/4 1 1-1/2 2 .502 .502 .503 .503 .503 ... 753 .815 .878 .878 .503 1.004 note use technical section table 2-4 continued on the next ... length tolerances up to including 1-1/2 is ±.005 over 1-1/2 is ±.0075 min ... clearance for oil-impregnated bearings used with ground steel shafting running ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 000 001 o.d l length bsnplnp182004 1/2 .690 .565 bsnplnp182006 3/4 bsnpln ... p182008 1 bsnplnp182210 .690 .565 1-1/4 bsnplnp182212 1-1/2 bsnplnp182404 1/2 ... .753 .565 bsnplnp182406 3/4 bsnplnp182408 1 bsnplnp182410 .753 . ... 565 1-1/4 bsnplnp182412 1-1/2 bsnplnp182604 1/2 .815 .565 bsnpln ... p182606 3/4 bsnplnp182608 1 bsnplnp182610 .815 . ... 565 1-1/4 bsnplnp182612 1-1/2 bsnplnp202404 1/2 .753 .628 bsnpln ... p202405 5/8 bsnplnp202406 3/4 bsnplnp202407 .753 .628 7/8 bsnpln ... 1-1/8 bsnplnp202410 .753 .628 1-1/4 bsnplnp202412 1-1/2 bsnplnp202604 1/2 ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 000 001 i.d 000 001 o.d l length 2 5/8 3/4 1 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 ... 1-3/4 2 3/4 1 1-1/4 1-1/2 1-3/4 2 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-1/2 1-5/8 1 ... /2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-1/2 1-5/8 1-3/4 1-7/8 2 .628 .628 .628 .628 ... .878 .941 .941 .941 .941 .941 note use technical section table 2-4 continued on the next ... length tolerances up to including 1-1/2 is ±.005 over 1-1/2 is ±.0075 min ... clearance for oil-impregnated bearings used with ground steel shafting running ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 000 001 o.d l length bsnplnp243204 1/2 .753 1.003 bsnplnp243205 5/8 bsnpln ... p243206 3/4 bsnplnp243207 7/8 .753 1.003 bsnpln ... bsnplnp243209 1-1/8 bsnplnp243210 1-1/4 .753 1.003 bsnplnp243212 1-1/2 bsnpln ... p243214 1-3/4 bsnplnp243216 2 .753 1.003 bsnplnp243220 2-1/2 bsnpln ... p243604 1/2 bsnplnp243606 3/4 .753 1.128 bsnplnp243608 1 bsnpln ... p243610 1-1/4 bsnplnp243612 1-1/2 .753 1.128 bsnplnp243614 1-3/4 bsnpln ... p243616 2 bsnplnp244006 3/4 bsnplnp244008 1 .753 1.253 bsnpln ... p244010 1-1/4 bsnplnp244012 1-1/2 bsnplnp263206 3/4 bsnplnp263208 1 . ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 1-5/8 bsnplnp283613 .878 1.128 1-3/4 bsnplnp283614 2 bsnplnp283616 2-1/4 ... bsnplnp283618 .878 1.128 2-1/2 bsnplnp283620 3/4 bsnplnp284006 .878 ... 1.253 1 bsnplnp284008 1-1/4 bsnplnp284010 1-1/2 bsnplnp284012 . ... 878 1.190 2 bsnplnp284016 3/4 bsnplnp303806 .940 1.190 1 bsnpln ... p303808 1-1/4 bsnplnp303810 1-1/2 bsnplnp303812 .940 1.190 2 bsnpln ... p303816 3/4 bsnplnp304006 1 bsnplnp304008 .940 1. ... 254 1-1/4 bsnplnp304010 1-1/2 bsnplnp304012 1-3/4 bsnplnp304014 . ... 940 1.254 2 bsnplnp304016 3/4 bsnplnp323606 1 bsnplnp323608 1.004 1 ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 001 i.d 000 001 o.d l length 1 1-1/4 1-1/2 1-3/4 2 2-1/2 3 3/4 1 1-1/4 1-1/2 ... 1-3/4 2 2-1/2 1 1-1/4 1-1/2 1-3/4 2 2-1/2 3 1 1-1/2 2 2-1/2 1 1-1/4 1-1/2 1 1-1 ... /4 1-1/2 1-3/4 2 3/4 1 1-1/4 1-1/2 1-3/4 2 1.004 1.004 1.004 1.004 1.004 1.004 1 ... 1.129 1.129 1.129 1.129 1.504 1.316 1.254 1.316 1.316 1.379 note use technical ... section table 2-4 continued on the next page installation ... length tolerances up to including 1-1/2 is ±.005 over 1-1/2 is ±.0075 min ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 1.129 1.129 1.192 1.192 1.192 1.192 1.254 1.254 1.254 1.254 1.254 1.254 note use ... technical section table 2-4 installation data length tolerances up ... to including 1-1/2 is ±.005 over 1-1/2 is ±.0075 o.d tolerance 000 0015 min ... clearance for oil-impregnated bearings used with ground steel shafting 2-1/2 3 ... 1 1.504 1-1/4 1-1/2 1-3/4 1.504 2 2-1/2 1-1/4 1.441 1-1/2 2 1.441 2-1/2 3 1 1. ... 504 1-1/4 1-1/2 1-3/4 2 1.504 2-1/2 3 1/2 1.504 5/8 3/4 7/8 1.504 1 1-1/8 1-1/4 1 ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... o.d l length bsnplnp405208 1 1.629 1.254 bsnplnp405210 1-1/4 bsnplnp405212 1-1 ... /2 bsnplnp405214 1-3/4 bsnplnp405216 2 1.629 1.254 bsnplnp405220 2-1/2 bsnpln ... p405224 3 bsnplnp405612 1-1/2 1.754 1.254 bsnplnp405614 1-3/4 bsnplnp405616 2 1 ... .754 bsnplnp405620 1.254 2-1/2 bsnplnp405624 3 bsnplnp424808 1 1.566 ... bsnplnp424812 1.316 1-1/2 bsnplnp424816 2 bsnplnp425210 1-1/4 1 ... .629 bsnplnp425212 1.316 1-1/2 bsnplnp425216 2 bsnplnp425220 2-1/2 1 ... 1.629 1.379 1-1/8 bsnplnp445210 1-1/4 bsnplnp445212 1-1/2 bsnplnp445216 2 1 ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 0000 0015 o.d l length bsnplnp465620 2-1/2 1.754 1.442 bsnplnp465624 3 bsnpln ... p485604 1/2 1.754 1.504 bsnplnp485606 3/4 bsnpln ... 1 1.754 1.504 bsnplnp485610 1-1/4 bsnplnp485611 1-3/8 1.754 1.504 bsnpln ... p485612 1-1/2 bsnplnp485614 1-3/4 1.754 1.504 bsnplnp485616 2 bsnpln ... p485618 2-1/4 bsnplnp485620 1.754 1.504 2-1/2 bsnpln ... 1 1.816 1.504 bsnplnp485812 1-1/2 bsnplnp485813 1-5/8 bsnplnp485816 1. ... 816 1.504 2 bsnplnp485824 3 bsnplnp486012 1-1/2 1 ... .879 1.504 bsnplnp486016 2 bsnplnp486020 2-1/2 bsnplnp486022 1. ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... 0015 i.d 0000 0015 o.d l length 1-3/4 2 3 4 1 1-1/4 1-1/2 1-3/4 2 2-1/2 3 1-3 ... /8 1-1/2 2 3 2-1/2 2 2-1/2 3 4 1 1-1/2 2 2-1/2 3 1-1/2 1-3/4 2 2-1/2 2-3/4 3 3-1 ... /2 4 1 1-1/2 2 1.6915 1.6915 1.754 1.754 1.754 1.754 1 ... .754 1.940 1.9405 1.9405 2.004 2.004 2.004 2.004 2.004 2.004 2.1925 2.1925 2.004 2 ... .004 2.004 2.129 2.129 2.1285 2.3165 2.3165 2.254 2.254 2.380 2.380 2.380 2.505 ... note use technical section table 2-4 continued on the next page installation ...
l o.d standard series plain sleeve bearings · sintered bronze sae 841 · oil- ... bsnplnp709232 bsnplnp729232 i.d 2.004 2.004 2.254 2.254 2.379 2.504 2.504 2. ... 504 2.504 2.754 2.754 3.005 3.005 3.005 4.0035 o.d 2.505 2.505 2.630 2.755 2.755 2.754 ... 2.754 2.880 3.005 3.005 3.225 3.505 3.505 4.006 4.504 l length 2-1/2 ... 3 3-1/2 4 2 2-1/2 3 2 3 2 2-1/2 3 2 2-1/2 3 4 2-1/4 2-1/2 3 2 3 4 1-1/2 2-1/2 2 3 ... 4 2 3 2 2-1/2 3 4 3 3-1/2 4 4 note use technical section table 2-4 installation data ...
standard series flanged sleeve bearings · sintered bronze sae 841 · oil- ... 005 b flange width ± .0025 .127 .189 .252 .252 .314 .314 .314 .377 .315 .3145 . ... 377 .377 .377 .439 .502 .502 .377 .377 .377 .377 .377 .502 ... .5645 .627 .627 .753 note use technical section table 2-4 installation data 1/4 ... 3/8 1/8 1/4 3/8 1/4 3/8 1/2 5/8 3/4 3/8 3/8 3/4 3/8 1/2 5/8 3/8 13/32 1/2 5 ... /8 3/4 1 1-1/4 3/4 1-1/4 1/2 3/4 1 1-1/4 1/2 3/8 3/8 1/2 1/2 1/2 5/8 11/16 11/16 ... 3/64 3/64 3/64 3/32 3/32 3/32 11/16 3/4 7/8 7/8 1/2 3/32 1/8 1/8 1/8 1/8 ... clearance for oil-impregnated bearings used with ground steel shafting running ...
standard series flanged sleeve bearings · sintered bronze sae 841 · oil- ... dia ± .005 b flange width ± .0025 .439 .628 .628 .502 .628 .628 .690 .753 .502 ... .753 .753 .753 .815 .627 .815 note use technical section table 2-4 installation data ... clearance for oil-impregnated bearings used with ground steel shafting 5/8 1-1 ... /4 3/8 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 1/2 3/4 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 1 ... 1/2 5/8 3/4 1 1-1/4 3/4 1 1-1/4 1-7/16 1-1/2 2 7/8 7/8 7/8 7/8 15/16 1 ...
standard series flanged sleeve bearings · sintered bronze sae 841 · oil- ... .d a flange dia 1-1/8 1-1/8 1-3/16 1-1/4 1-1/4 1-1/4 1-3/8 1-1/2 1-1/2 1-5/8 1-3 ... /4 2-1/16 b flange width ± .0025 .627 .878 . ... 878 .940 .752 1.003 1.003 1.003 1.128 1.253 .877 1.002 1.253 1.378 1.252 1.503 1. ... 503 1.754 note use technical section table 2-4 installation data o.d ... flange tolerances up to including 1-1/4 is ±.005 over 1-1/4 is ±.010 3/4 1 1-3 ... /4 3/4 1 1 1-1/2 5/8 3/4 1 1-1/4 1-1/2 2 3/4 1 1-1/4 1 1-1/2 3/4 1 1-1/4 1-1/2 2 ... 1 1-3/4 1 1-1/4 1-1/2 5/32 5/32 5/32 5/32 5/32 5/32 5/32 3/16 ...
piece brass insert precision spherical bearings · metal-to-metal lubrication hole ... bpflsx120 bpflsx160 bpflsx190 bpflsx240 bpflsx300 0000 0005 h c housing ... across inserts is ±.015 .1900 .2500 .3125 .3750 .4375 .5000 .6250 .7500 1. ... 7500 .8750 1.0000 1.1875 1.3125 1.5625 2.2500 2.3750 2.6250 3.2500 4.0000 .281 .375 . ... 437 .500 .562 .687 .875 1.250 1.125 1.250 1.500 1.625 .187 .281 .313 .375 .437 . ... 531 .687 .937 .875 1.000 1.250 1.313 .016 .016 .032 .044 .044 .044 . ... 062 .085 .085 .125 .406 .515 .625 .718 .812 .937 1.187 1.625 1. ... 750 2.000 2.500 3.000 .293 .354 .447 .517 .586 .637 .802 1.038 1.345 1.562 2 ...
technical section table of contents introduction t-2 1.0 ... rolling contact bearings 1.1 general t-2 1.2 construction and ... types of ball bearings t-4 1.3 bearing selection factors t-5 1.4 ... bearing size t-7 1.6 mounting of ball bearings t-21 1.7 unground ball bearings t-23 ... 1.8 roller bearings t-24 1.9 lubrication and surface finishes t ... -26 2.0 sintered-metal bearings 2.1 general properties t-31 2.2 sizing ... sintered bearings t-32 2.3 clearances t-32 2.4 press fits t-35 2 ... .5 standardization t-36 2.6 conclusion t-39 3.0 plastic and ... nonmetallic bearings 3.1 general characteristics t-39 3.2 ... 39 3.3 load-carrying ability of plastic bearings t-42 3.4coefficientoffrictionv s. ...
technical section 1.2 construction and types of ball bearings ... .fo rbearingdesignationsofqua lity bearings components qbc ... a b c d e f 100 series extra light 200 series light fig 1-3 types of ball ... bearings 300 series medium axial thrust angular ... between the rings as shown in fig 1-4a then theyareevenlyspacedandthe ... tchgroundintoeachring as shown in fig 1-4b because more balls can be notch ... aconradornonfilling notch type fig 1-4 methods of assembly for ball bearings ... notch type www.qbcbearings.com t4 ...
technical section placedinsuchbearings,thei ... the load-carrying capacity of these bearings in the axial direction high- ... carbonchromiumsteel5 2100and440cstainlesssteel areusedforballsandrings,a nd are ... accepted minimum hardness for bearing components is 58 rockwell c this material ... s 1.3 bearing selection factors bearingsarebasicallyantif rictiondevices.forthisrea son,the axis ... m true rolling 2 the sliding action between the rolling ... elementsandtheguideflange s 4 the losses between the bearing parts ... self-aligning ball bearings f 0.0010 cylindrical roller bearing ... f 0.0011 thrust ball bearings f 0.0013 single-rowdeep-grooveball ... bearings f 0.0015 tapered and spherical ... roller bearings f 0.0018 needle bearings f 0.0045 1 allthesecoefficientsarere ...
technical section 1.4 bearing loads thefirststepinsizingasuit ... ythem a radial shaft load between bearings p radial load r1,r2 bearing loads l1, ... l2 distances from radial load to bearings l2p r1= l1 l2 l 1p r2= l1 ... load notation same as in paragraph a l 2p r1= l1l2 l 1p r2= l1l2 3 4 ... l1 r2 p l1 r1 l2 r2 1 2 fig 1-6 radial load between bearings r1 ... the shaft which is supported by bearings is nothing else but a beam subjected to ... which result in radial loading of bearings 1.5 determination of bearing size a ... -wide national standard for rating ball bearings pioneered by the american bearing ... ,n.w suite300,washington,d.c 20036-2433 the following represents a summary of ...
technical section d ball diameter fc a constant from ... table 1-2,asdeterminedbythevalu eofdcos dm dm pitch diameter of ball ... nchdiameter,theexponentfo rdis1.4 togetabetterfeelforthemea ... as follows aba+b dm=+b= 2 2 6 dm a aandbaredimensionsasshown . ... bearing valuesoffc are shown in table 1-2 for different valuesofdcos dm rating ... ,0.300 inner race diameter and 0.452outerracediameterina singleshieldconfiguration =0° ... diameter and therefore 1 dm=0.330+0.452 0.391 pitch diameter of ball races 2 d ... 0.16 dm 0.391 from table 1-2thisvalueyieldsfromthi rdcolumnavalueoffc=4530 substituting ... valuesinequation5forc,weo btain c 4530 x 1 x 10 2/3 x 0.0621.8 143 lbs ...
technical section table 1-2 values of fc self-aligning metric2 17.3 ... 18.6 19.9 21.1 22.3 23.4 25.6 27.7 29.7 31.7 33.5 35.2 36.8 38.2 39.4 40.3 40.9 ... 41.2 41.3 41.0 40.4 inch3 1310 1420 1510 1600 1690 1770 ... 1940 2100 2260 2410 2550 2680 2790 2910 3000 3060 3110 3130 3140 3110 3070 d ... type1 metric2 inch3 3550 3730 3880 4020 4130 4220 4370 4470 4530 4550 4550 4530 ... 4480 4420 4340 4250 4160 4050 3930 3800 3670 metric2 44.2 46.5 48.4 ... 50.0 51.4 52.6 54.5 55.7 56.5 56.8 56.8 56.5 55.9 ... 55.1 54.1 53.0 51.8 50.4 48.9 47.4 45.8 inch3 3360 3530 3680 3810 3900 4000 ...
technical section inordertoprovidedataforla ... dditionalexamples,table 1-4isgiven table 1-4 dimensions and basic load ... for conrad-type single-row radial ball bearings bearing no mm 102 202 302 103 203 303 ... 104 204 304 105 205 305 106 206 306 107 207 307 108 208 308 109 209 309 110 210 310 ... 111 211 311 112 212 312 113 213 313 114 214 314 15 17 20 25 30 35 40 45 ... 9843 1.1811 1.3780 1.5748 1.7717 1.9685 2.1654 2.3622 2.5591 2.7559 outside diameter ... mm 32 35 42 35 40 47 42 47 52 47 52 62 55 62 72 62 72 80 68 80 90 75 85 ...
technical section example 2 findthevalueofcfora207rad ialbearing ... solution 1 by table 1-4 dm=2.8346+1.3780 2.1063in 2 dcos 0.4375 ==0 ... .208 dm 2.1063 by table 1-2 fc 4550 7 by table 1-4:d==0.4375in 16 logd=9 ... .6409810 1.8logd=9.3537610 d1.8 0.2258 3 z=9,z2/3 92 4.327 ... fromequation5forc c=4550x4.327x0.2258=4440l bs loadfor1millionrevolution swith 90 ...
technical section example 3 forexample2wherewefoundc= ... 4440lbs,findtheradialload p1 for a rating life of 500 hours, ... c3 p13== n1 60 n l apply:c=4.440lbs,n=1500rp m,andl=500hrs 106 x 4.4403 p13 ... moderate shocks heavy shocks c1 1.0 1.5 2.0 3.0 and up wherevaluec1isaservicefac ... 1forinnerringrotation,1.2 forouterringrotation fr and ...
technical section table 1-6 values of x and y bearing ... fa co radial contact groove ball bearings 0.014 0.028 0.056 0.084 0.11 0.17 0.28 ... 0.42 0.56 single row bearings fa/fr e x y double row bearings fa/fr ... newtons lbf 0.172 0.345 0.689 1.03 1.38 2.07 3.45 5.17 6.89 angular contact groove ... ball bearings with contact angle 5° fa co 0.014 ... 0.028 0.056 0.085 0.11 0.17 0.28 0.42 0.56 0.014 0.029 0.057 0.086 0.11 0.17 ... 0.29 0.43 0.57 0.015 0.029 0.058 0.087 0.12 0.17 ... 0.29 0.44 0.58 fa i z d2 newtons lbf 0.172 ... 0.345 0.689 1.03 1.38 2.07 3.45 5.17 6.89 0.172 0.345 0.689 1.03 1.38 2 ... .07 3.45 5.17 6.89 0.172 0.345 0.689 1.03 1.38 2 ...
technical section example 4 forabearingdealtwithinexa mple2, ... ==174 i z d2 9 x 0.43752 y=1.50 c1 2 p=20.56x1.2x400+1.5x300 ... percent probability that 106 c3 106 x 44403 it l== =410hr ... iccapacityasgivenbytable 1-4 or the race may be damaged by ... p2 be the new life and load then n2 2n1 by equation 9 n1 p13 n1 p13 p23 ... ===0.5p13 n2 2n1 p2 0.5 x p1 3 or p2 0.794 p1 ... of a ball bearing f variable loading of bearings ballbearingsfrequentlyope ...
technical section n1bethelifeofthebearing,i nrevolutions, ... of the bearing or unity then n1 n 2 n3 ++ 1 n1 n2 n3 12 let nc ... consumedunde rloadp1.inasimilarway,n2 2 nc,n3 3 nc,andsoon.substitutionin ... equation12yields 1 2 3 1 ++ n1 n2 n3 nc using ... two equations we can obtain 1 1 p13 2 p23 =+ ... 6 c3 nc 10 106 c3 106 c3 =1 p13 2 p23 nc 13 frompreviousdefinitionofi ... tisobviousthat1 2 must equal unity the application of ... work cycle radial load of 1400 lbs at 200 rpm for 25 of the time radial load of ... 2000 lbs at 500 rpm for 20 of the time radial load of 800 lbs at ... 400 rpm for 55 of the time total rpm is to ... if the required life is 7 years at 4 hours per day p1 1400 lbs p2 2000 lbs ...
technical section sinceboththeloadaswellast ... table should be constructed then 50 100 220 1= 2=,3= 370 370 370 a ... working year is assumed to consist of 250 days totallifedurationofthebea ... .5 f 106 c3 =1 p13 2 p23 3 p33 nc 50 100 220 weobtain ... x14003+x20003+ x8003 3708 21622 3044 x 105 370 370 370 106 c3 = ... 28374x105 nc c3 =2837.4 nc c3 2837.4 x nc 2837.4 x 1554 x 105 44093 x 107 ... iatebearing,werefertotabl e 1-4fromwhichwefindthata bearingsuchasno.308should ... has a 10-sec work cycle as follows for 2 seconds fr 800 lbs fa 400 lbs n 900 ... this bearing in hours and in years of 250 working days of 2 hours each solution ... .306,fromtable 1-4 z=8,d=0.5andi=1 fa 400 ==200 i z d2 1 x 8 x 0. ...
technical section from equation 11 and table 1-5, ... dradialloadswithlightshoc k and 2-second duration p1 c1 x i fr+yfa 1.5 0.56 x ... 1 x 800 1.45 x 400 p1=1542lbsequivalentradia lload since ... 160 190 then 30 3 160 16 1==,2== 190 19 190 19 from formula 13 106 c3 ... =1 p13 2 p23 nc using c 5120 in table 1-4 for ... 9 x 106 760.8 x 106 nc 19 19 51203 134 218 x 106 nc===17 6x106 ...
technical section table 1-11 oil lubricants available on ... fluid#6 houghton oil cosmolube 270a mobil oil shc824 xrl743a mps corp mo119 ... aeroshell #3 aeroshell #12 aeroshell #4 mil-17353a mil-l-6085a 65/250 70/350 ... 65/175 50/400 30/350 40/550 70/500 40/450 50/300 45/450 mil ... 7870 mil-l-6085a mil-l-6085 65/300 65/290 75/300 65/300 100/500 100/400 40/ ... 400 40/400 50/275 mil-l-6085a 65/250 50/350 50/350 30/250 mil-l-7870 mil- ... l-6085a mil-h-5606 70/240 70/300 70/500 75/260 80/350 type ... cs pouring point °f point °f 75°f/210°f 75 80 90 85 50 50 80 50 30 45 ... 70 65 65 80 75 70 85 80 100 340 420 400 410 495 600 600 600 500 500 450 300 ...
technical section 2.0 sintered-metal bearings 2.1 general properties sintered-metal ... self-lubricating bearings are based on powder-metallurgy ... equipment most porous-metal bearings consist of either bronze or iron which ... by capillary action since these bearingscanoperateforlong periodsoftimewithoutaddit ... tions,suchasfractional-ho rsepowermotor bearings a low-oil-content low-porosity material ... 90-10bronzeand 4 reduction in copper lead content is 14 ...
technical section sintered bearings installation data table 2-2 thin wall ... bearings nominal hole size fractional decimal 3/ ... 16 .1875 1/4 .2500 5/16 .3125 .3750 3/8 .4375 7/16 1/2 . ... 5000 .5625 9/16 .6250 5/8 .6875 11/16 3/4 .7500 .8125 13/16 .8750 7/8 hole to ... accommodate bearing min .1875 .2500 .3125 .3750 .4375 .5000 .5625 .6250 . ... 6875 .7500 .8125 .8750 max .1885 .2510 .3135 .3760 .4385 .5010 .5635 .6260 . ... bearing outside diameter min .1895 .2520 .3145 .3770 .4395 .5020 .5645 .6270 . ... 6890 .7525 .8150 .8775 max .1905 .2530 .3155 .3780 .4405 .5030 .5655 .6280 . ... decimal 1/8 .1250 3/16 .1875 1/4 .2500 5/16 .3125 3/8 .3750 7/16 .4375 1/2 . ...
technical section 2.4 press fits apressfitisusedwhenavaila ... ee d p= 1 2d d from here p ]andt=pmd l 2 2 2 d ... t 0.785mdlee 1 d 2 lb in 17 18 2p ee s=ors= d ... 2 d 1 d where p unit pressure on ... in m=coefficientoffrictionas sume0.1-0.2 l length of interference surfaces in s ... sliptorquetobedividedby safetyfactor of 2 lb in graphgivesvalueofpfordiff erentd/ ... dratiosand differentvaluesofe table 2-4 pressfitpressurebetweenhu bandshaft,lb/ ... clearance proper running clearance for bearings depends to a great extent on the ... clearances for oil-impregnated bearings used with ground steel shafting are ... up to 0.760 0.761 to 1.510 1.511 to 2.510 over2.510 running clearance shaft size ... press fits plain cylindrical journal bearings are commonly installed outside dia ...
technical section table 2-8 tolerances of plain and flanged ... bearings length plain bearings length i.d o.d flanged flange o.d ... bearings i.d o.d flange thickness over in inside ... outside diameters in 1/2 1 1-1/2 2-1/2 3-1/2 1-1/2 3 1-1/4 2-1/2 4 1-1 ... /4 1 2 2-1/2 1 1-1/2 3 up to including 1/2 1 1-1/2 2-1/2 3- ... 1/2 4-1/2 1-1/2 3 4-1/2 1-1/4 2-1/2 4 4-1/2 1-1/4 2-1/2 1 2 2-1/2 4 1 1-1/2 3 4-1 ... /2 tolerance 000.001 000.001 000.001 ...
technical section acetron® ns is a patented acetal-based ... limiting k 1 acetron® ns static 2 dynamic 3 pv 4 48 57 65 176 200 213 1.0 ... 1.2 1.4 3.7 4.2 4.4 .18.19 .18.19 .18.19 .22.24 .22.25 ... .29.34 .20.21 .19.20 .19.20 .23.25 .22.28 .20.23 8750 8300 11000 3500 ... 2700 6560 1 measuredon1/2 i.d.journalat5000pv118fpm &42.2psi k=h/ ... v=slidingspeedfm t test duration hrs 2 measured on thrust washer bearing under ... tingmachine,unlubricated@ 20fpm&250psi 4 limitingpvtestvalued unlubricated@ ... trixarealwaysexposedtothe bearingsurface.it sthisconstantsourceof lubrication which ... lubrication during break-in of bearings and for enhanced wear-resistance ... ,g ivethem www.qbcbearings.com t41 ...
technical section acomparisonoffrictionalch ... ,them echanicalpropertiesofsuch bearings canbedramaticallyimproved 3.5 example a ... shaft of 1/2 in diameter is supported by two ... plastic bearings the force equals 10 lbs the bearing ... length is 3/4 the shaft rotates at 750 rpm 0.262·f· ... rpm0.262x10x750 pv== = ... 2619fpm·psi l 0.75 fromthetablesshowingthema ... ,thedimensionsoft he f 10 lbs 3 4 1 2 3 4 fig 3-2 shaft and of ... following graph www.qbcbearings.com t46 ...
technical section appendix a characteristics and ... advantages of frelon® lined linear bearings bearing load · frelon lined bearings ... that is carrying the load · these bearings carry 4 to 8 times the load of ball ... bearings · a 1/2 i.d frelon bearing will carry as much ... e4to 8 times longer than ball bearings bearing pv · p pressure in psi on the ... lubrication is 140 ft min continuous 400 ft min intermittent · whenlubricated, ... themaximum continuous speed exceeds 400 ft min cantilevered loads · the ... distance between the bearings and thedrivesourceorloadshoul dnot ... exceed a maximum ratio of 2:1 shaft finish and hardness · ... wear to both the shaft and the bearings running clearances · precision series ... ball bearing lubrication · frelon lined bearings are self-lubricating · ...
table 2 rod end selection guide loading product ... brfhfp 3/16 -1 brfsmgm brfsfgm 5 25 mm precision grade brass inserts four- ... for reduced play accelerator linkages 250 brass brcsmem brcsfem 3 12 mm 125 ... thermoplastic brfhmx brfhfx 1/4 3/4 high capacity version precision grade ... life smooth feel good conformity technical section t51 commercial grade two-piece ... loads shock loads cost-effective 250 aluminum bronze brchmc brchfc 3/16 3 ... /4 packaging machine linkages 250 brass brrodm brrodf 3/16 3/4 brcmcr ... brcfcr 3/16 3/4 brake and clutch pedals for heavy ... machinery satellite dish controls 250 steel www.qbcbearings.com best better ...
technical section rod ends studs table 4 angles of misalignment rod end bore ... inch .1900 .2500 .3125 .3750 .4375 .5000 .6250 .7500 1.0000 misalignment ... stud is designed to accommodate up to ±25° misalignment in any direction and has a ... in inches s r t ±.010 ±.030 ref m unf-2a figure 2 .500 .969 .1900 .562 1.047 . ... 2500 1.234 .687 .3125 .906 1.540 .3750 1.930 1.125 ... .4375 1.125 2.000 .5000 1.500 2.500 .6250 1.812 3.000 .7500 studs available ... on special order .437 .500 .594 .812 1.000 1.000 1.375 1.625 ... .1900-32 .2500-28 .3125-24 .3750-24 .4375-20 .5000-20 .6250-18 .7500-16 www. ...
technical section rod ends keyways keyway slots where ... design options rod ends and spherical bearings can be ordered with the following ... flush type lubricators figure 4 table 6 rod end keyway ref nas 559 ... thread o.d reference .2500 .3125 .3750 .4375 .5000 .5625 .6250 .7500 .8750 1.0000 1. ... 1250 1.2500 1.3750 1.5000 1.6250 1.7500 1.8750 2. ... 0000 2.1250 2.2500 dimensions in inches 005 000 n .056 . ... 093 .125 .125 .125 .156 .156 .187 .187 .250 .250 .250 .312 .312 .312 .312 .312 000 ... ref 300 series stainless steel inserts .201 .260 .311 .370 .436 .478 .541 .633 .777 ... .900 1.010 1.136 1.236 1.361 1.477 1.589 1.714 1.839 1.955 2.080 .255 .255 ...
technical section spherical bearings table 8 housing bores bearing code ... .7495 .8745 .9995 1.1870 1.3120 1.5620 2.2495 2.3745 2.6245 3.2495 3.9995 min .6241 . ... 7491 .8741 .9991 1.1865 1.3115 1.5613 2.2488 2.3738 2.6238 3.2488 3.9988 aluminum ... .7494 .8744 .9994 1.1869 1.3119 1.5619 2.2494 2.3744 2.6244 3.2494 3.9994 min .6239 . ... 7489 .8739 .9989 1.1863 1.3113 1.5611 2.2486 2.3736 2.6236 3.2486 3.9986 b1 sin-1 h ... 030 040 050 060 070 080 100 120 160 190 240 300 .6250 .7500 .8750 1.0000 1.1875 1. ... 3125 1.5625 2.2500 2.3750 2.6250 3.2500 4.0000 figure 5 figure 6 figure 7 e ball ...
technical section appendix c tolerances for sintered ... bearings thickness length flange i.d o.d o.d ... i.d o.d flange thickness over 1-1/4 2-1/2 thickness outside diameter 1-1/2 3 ... 1-1/2 4-1/2 3 i.d o.d thrust bearings dimensions up to incl 1-1/4 2-1/2 4 ... tolerances plain and flanged bearings dimensions over 1/2 1 1-1/2 2-1/2 3-1 ... /2 up to incl 1/2 1 1-1/2 2-1/2 3-1/2 4-1/2 tolerances inside diameter ±.005 ±. ... 001 001 0015 002 0025 length 1-1/2 3 1-1/2 3 4-1/2 ±.005 ±.0075 ±.010 ... of faces based on o.d .002 1-1/2 .003 1-1/2 3-1/2 .004 3-1/2 4 running ... diameter based on flange o.d 1-1/4 ±.005 1-1/4 2-1/2 ±.010 2-1/2 4 ±.015 4 ...
technical section acknowledgments ... ,u ppersaddleriver,newjersey 07458,1998 2 machine design,josephedwardshigle y, ... handbook of machine design chapter 27 rolling contact bearings charles ... university mcgrawhillbookcompany,199 6 4 handbook of shafts bearings and ... couplings,technicalstaffo fstockdriveproductsand ... erencesareprovided 1 allan,r.k rolling bearings,london:sirisaacp itman&sonsltd 1945 2 bamberger,e.n t.a ... adjustment factors for ball and roller bearings,asme,newyork 1971 3 bearings reference issue machine ... design,no.42,june18,1970 4 boundary lubrication an appraisal of ... ,elasto-h ydrodynamics lubrication,2nded newyork pergamonpress,inc 1977 6 ... load ratings and fatigue life for ball bearings,arlington,va:the anti-frictionbearing ...
