Selected page of Heim Rod Ends and Sphericals
h rod ends eim rod ends and spherical plain bearings are intended for linkage applications where a bearing must accommodate significant misalignment while spherical plain bearings offer flexibility in housing and mounting design the user bears the responsibility for housing design and the cost of housing manufacture rod ends offer greater mounting convenience and provide a compact lightweight economical design alternative to the spherical plain bearing heim bearings company offers the industry s widest selection of rod end types and sizes rod end grades heim rod ends are offered in four grades precision commercial aircraft and military precision rod ends are manufactured to tight tolerances for applications requiring improved linkage accuracy and reduced looseness commercial rod ends are produced using standard materials and manufacturing methods and are an economical choice for industrial applications aircraft rod ends use premium materials and have magnafluxed rod end bodies original
| commercial series four piece metal to metal w d h rod ends e o b lubricator optional f a m spherical bearings series hm c dimensions in inches ball width w 005 .005 .312 .375 .437 .500 .562 .625 .750 .875 housing width h 010 .010 .250 .281 .344 .406 .437 .500 .562 .687 head diameter d 031 .031 .625 .750 .875 1.000 1.125 1.312 1.500 1.750 length to center of ball f 031 .031 1.250 1.562 1.875 1.938 2.125 2.438 2.625 2.875 thread length a 062 .062 .750 1.000 1.250 1.250 1.375 1.500 1.625 1.750 thread size m unf -3a .1900 32 .2500 28 .3125 24 .3750 24 .4375 20 .5000 20 .6250 18 .7500 16 ball diameter e ref .437 .515 .625 .718 .812 .937 1.125 1.312 ball flat diameter o ref .306 .353 .447 .516 .586 .698 .839 .978 bore b 0025 .0005 .1900 .2500 .3125 .3750 .4375 .5000 .6250 .7500 maximum static radial load approx weight rod end number hm3c hm4c hm5c hm6c hm7c hm8c hm10c hm12c lbf 900 1,700 2,500 4,000 5,000 7,000 8,050 11,300 lbs .03 .05 .08 .12 .17 .25 .41 .64 sleeve bear
| precision aircraft series four piece metal to metal d w h rod ends eobf lubricator optional a m spherical bearings series hm m dimensions in inches ball width w 000 .005 .250 .281 .312 .375 .437 .500 .562 .625 .750 .875 1.375 housing width h 005 .005 .187 .219 .250 .281 .344 .406 .437 .500 .562 .687 1.000 head diameter d 010 .010 .469 .562 .625 .750 .875 1.000 1.125 1.312 1.500 1.750 2.750 length to center of ball f 031 .031 .937 1.125 1.250 1.562 1.875 1.938 2.125 2.438 2.625 2.875 4.125 thread length a 062 .031 .500 .625 .750 1.000 1.250 1.250 1.375 1.500 1.625 1.750 2.125 thread size m class -3a .1380-32unc .1640-32unc .1900-32unf .2500-28unf .3125-24unf .3750-24unf .4375-20unf .5000-20unf .6250-18unf .7500-16unf 1.2500-12unf ball diameter e ref .312 .375 .437 .515 .625 .718 .812 .937 1.125 1.312 1.875 ball flat diameter o ref .187 .248 .306 .353 .447 .516 .586 .698 .839 .978 1.275 maximum static radial load approx weight rod end number hm2m hm2am hm3m hm4m hm5m hm6m hm7m
| military series m81935/1 self-lubricating spherical bearings rod ends series me dimensions in inches ball width w 000 .002 .437 .437 .437 .500 .562 .625 .750 .875 .875 1.375 housing width h 005 .005 .337 .337 .327 .416 .452 .515 .577 .640 .765 1.015 head diameter d 010 .010 .806 .806 .900 1.025 1.150 1.337 1.525 1.775 2.025 2.775 length to center of ball f 010 .010 1.562 1.562 1.875 1.938 2.125 2.438 2.625 2.875 3.375 4.125 thread length a 031 .031 .968 .968 1.187 1.187 1.281 1.468 1.562 1.687 2.000 2.343 thread size m unjf-3a .3125-24 .3125-24 .3125-24 .3750-24 .4375-20 .5000-20 .6250-18 .7500-16 .8750-14 1.2500-12 ball diameter e ref .531 .531 .593 .687 .781 .875 1.062 1.250 1.375 1.875 ball flat diameter o min .300 .300 .360 .470 .540 .610 .750 .850 1.000 1.270 heim part number me3 me4 me5 me6 me7 me8 me10 me12 me14 me16 m81935/1 dash no 3 4 5 6 7 8 10 12 14 16 bore b 0000 .0005 .1900 .2500 .3125 .3750 .4375 .5000 .6250 .7500 .8750 1.0000 sleeve bearings ball bearings 20
| technical data static radial load the maximum static radial load permissible for a rod end depends on three factors race material compressive strength rod end head strength and shank strength the maximum static radial load is determined by taking the lowest of the three following values material stress table material brass aluminum bronze 300 series stainless steel low carbon steel alloy steel allowable stress psi 30,000 35,000 35,000 52,000 140,000 rod ends · race material compressive strengths r r=exhxx · rod end head strength t insert construction t [d e .176 h xhxx cartridge type construction h d2 h2 d2 x sin-1 h o.d of bearing x h x x t1 2 2 d h expressed in radians angle of d misalignment the angle of misalignment in a rod end is controlled by the outside diameter of the head the maximum degree of misalignment is obtained when the head contacts the side of the fork or clevis in which it is mounted maximum misalignment is calculated by the following formula · shank
| precision series two piece metal to metal w h rod ends lubrication hole eobdc spherical bearings lubrication groove series lha lhb lhss dimensions in inches outside diameter d 0000 .0005 .4687 .5625 .6562 .7500 .8125 .9062 1.0000 1.0937 1.1875 1.4375 1.5625 1.7500 ball width w 000 .005 .250 .281 .343 .375 .406 .437 .500 .562 .625 .750 .875 1.000 housing ball ball flat width chamfer diameter diameter hoce 005 015 .005 .000 ref ref .235 .343 .020 .187 .293 .406 .020 .218 .364 .500 .022 .250 .419 .562 .022 .281 .475 .625 .032 .312 .530 .687 .032 .343 .600 .781 .032 .390 .670 .875 .032 .437 .739 .968 .032 .500 .920 1.187 .044 .593 .980 1.312 .044 .703 1.118 1.500 .044 .797 maximum static radial load lbf lhb series 2,000 2,750 4,200 5,800 7,750 9,300 11,200 14,800 20,000 30,000 43,000 52,000 approx weight lhss series 2,900 4,000 5,650 7,150 8,800 10,600 13,700 17,200 21,800 31,800 41,500 53,800 spherical bearing number lha2 lha3 lha4 lha5 lha6 lha7 lha8 lha9 lha10 lha12 lha14 lha16
| military series ms14104 ms14101 self-lubricating spherical bearings rod ends series ne neg dimensions in inches plain grooved bore b 0000 .0005 .1900 .2500 .3125 .3750 .4375 .5000 .5625 .6250 .7500 .8750 1.0000 outside diameter d 0000 .0005 .5625 .6562 .7500 .8125 .9062 1.0000 1.0937 1.1875 1.4375 1.5625 1.7500 ball width w 000 .002 .281 .343 .375 .406 .437 .500 .562 .625 .750 .875 1.000 housing width h 005 .005 .218 .250 .281 .312 .343 .390 .437 .500 .593 .703 .797 heim part no ne3 ne4 ne5 ne6 ne7 ne8 ne9 ne10 ne12 ne14 ne16 ms14104 dash no 3 4 5 6 7 8 9 10 12 14 16 heim part no neg3 neg4 neg5a neg6 neg7 neg8 neg9 neg10 neg12 neg14 neg16 ms14101 dash no 3 4 5a 6 7 8 9 10 12 14 16 n 000 .015 .025 .025 .035 .035 .035 .055 .055 .055 .055 .055 .055 sleeve bearings ball bearings 38 outer member 17-4ph stainless steel heat treated ball 440c stainless steel heat treated liner self-lubricating e uniflon® per sae-as81820 formerly mil-b-81820
| military series m81820/2 m81820/3 self-lubricating spherical bearings rod ends series wee weeg dimensions in inches plain grooved bore b 0000 .0010 .4385 .4385 .5010 .5635 .6260 .7510 .8760 1.0010 outside diameter d 0000 .0005 .9375 .9062 1.0000 1.1250 1.1875 1.3750 1.6250 2.1250 ball width w 000 .002 .562 .562 .625 .687 .750 .875 .875 1.375 housing width h 005 .005 .442 .442 .505 .536 .567 .630 .755 1.005 ball diameter e ref .781 .781 .875 1.000 1.062 1.250 1.375 1.875 heim part no wee7 wee8 wee9 wee10 wee12 wee14 wee16 m81820/2 dash no 7 8 9 10 12 14 16 heim part no weeg7 weeg7a weeg8 weeg9 weeg10 weeg12 weeg14 weeg16 m81820/3 dash no 7 7a 8 9 10 12 14 16 sleeve bearings ball bearings 44 outer member 17-4ph stainless steel heat treated ball ph13-8mo stainless steel heat treated liner self-lubricating e uniflon® per sae-as81820 formerly mil-b-81820
| military series m81934/1 plain self-lubricating uniflon® l 000 010 rod ends b d x .010 max length .375 break edge .025 max length .375 15° series pbe dimensions in inches detail x outside diameter d alum cres 0005 0000 .0005 .0005 .3760 .4386 .5012 .5638 .6265 .6892 .8142 .8767 .9393 1.0645 1.1898 1.3148 1.4398 1.5648 1.7523 1.8773 2.0023 2.2523 .3760 .4386 .5012 .5638 .6265 .6892 .8142 .8767 .9393 1.0645 1.1898 1.3148 1.4398 1.5648 1.7523 1.8773 2.0023 2.2523 weight lb/in ref l=1.000 .030 .020 spherical bearings basic heim number pbe04 pbe05 pbe06 pbe07 pbe08 pbe09 pbe10 pbe11 pbe12 pbe14 pbe16 pbe18 pbe20 pbe22 pbe24 pbe26 pbe28 pbe32 bore nominal size bore b 0000 .0010 .2515 .3140 .3765 .4390 .5015 .5640 .6265 .6890 .7515 .8765 1.0015 1.1265 1.2515 1.3765 1.5015 1.6265 1.7515 2.0015 alum .006 .007 .008 .009 .011 .012 .021 .022 .024 .028 .031 .035 .038 .041 .062 .067 .071 .081 cres .016 .019 .022 .025 .028 .031 .056 .060 .065 .075 .084 .094 .103 .113 .171 .183 .196 .222 1/4
| special purpose series extra capacity ball bearing w rod ends h e x 45° typ b a d spherical bearings c x 45° typ series hk a outside diameter d 0000 .0005 .6250 .7500 .8125 .8750 1.1250 1.3750 1.6250 2.0000 2.2500 width outer ring h 005 .005 .234 .219 .234 .250 .313 .344 .375 .438 .438 width inner ring w 005 .005 .297 .281 .297 .313 .375 .406 .437 .500 .500 corner outer ring c 015 .000 .016 .016 .016 .016 .016 .032 .032 .032 .032 corner inner ring e 015 .000 .005 .005 .015 .015 .015 .015 .015 .015 .015 shoulder diameter inner ring a ref .297 .340 .415 .483 .615 .740 .915 1.230 1.490 no 10 12 14 16 16 14 15 19 22 balls load capacity radial dia 1/8 1/8 1/8 1/8 5/32 7/32 1/4 1/4 1/4 lbf 1,560 1,880 2,190 2,500 3,910 6,700 9,380 11,900 13,800 thrust lbf 700 900 1,000 1,100 1,700 3,000 4,100 5,200 6,100 lbs 0.01 0.02 0.02 0.03 0.05 0.08 0.13 0.22 0.26 approx weight sleeve bearings ball bearing number hk3a hk4a hk5a hk6a hk8a hk10a hk12a hk16a hk20a bore b 0000 0005 .1900 .2500 .
| innovation commitment quality rbc bearings has been producing bearings in the usa since 1919 in addition to unique custom bearings rbc offers a full line of standard industrial and aerospace bearings including spherical plain bearings radial angular contact extended inner ring high misalignment quadlube® impacttuff® spreadlock® seal crosslube® duralubetm milltufftm bearings and self-lubricating bearings available in inch and metric sizes rod ends commercial and industrial precision mil-spec series self-lubricating and aircraft heim® unibal® and spherco® brands available in inch and metric sizes thin section ball bearings standard cross sections to one inch sizes to 40 inches stainless steel and other materials are available seals are available on all sizes and standard cross sections ball bearings precision ground semiground unground high loads long life smooth operation nicetm brand is offered in caged and full complement configurations self-lubricating bearings radial thrust rod ends
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