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Long-Life AS Series TAB/ETA Bearings by NTN Corporation Japan
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Searched and found100 series 11 43 series 3 series 30206 bearings 5 series 900 series advantages of ball and roller bearing application of taper roller bearing as bearing 6206 bearing failure bearing life bearing size bearing structure deep groove dynamic load failure eta eta 2 eta cr failure bearing failure of taper roller bearing h 19 2 hrc life time lose rollers material for tab bearing ntn 6206 ntn ball bearing deep groove ntn bearing taper by size ntn eta pinion bearing selection of tapered roller bearing series shear strength shift mechanism shift retainer tab bearing taper roller bearing heat tapered roller bearing failure timing tab timing tabs tmb transmission bearing transmission bearings transmission treatment turbin turbine turbine radial bearings
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for new t echnology network r long-life as series tab/eta bearings corporation
| ntn long-life as series tab/eta bearings our long-life tab and eta bearings are able to withstand harsh environments and load conditions tab bearings eta bearings our tab and eta bearings were developed using new materials and a special heat treatment in order to satisfy the recent demand for longer life and more compact equipment these bearings even last longer than the tmb deep groove ball bearings and et tapered roller bearings bearings of our preceding long-life series they offer excellent cost performance by enhancing equipment reliability don t take our word for it see for yourself applications ideal for applications that demand long life and compactness such as automobile transmissions and differential pinions advantages our tab and eta bearings offer better reliability smaller size and lower cost they also offer long life for lubrication containing hard foreign matter.
| features Ħable to withstand lubrication containing hard foreign matter automobile transmission bearings are often damaged by foreign matter in the lubrication our tab/eta bearings are designed to last longer under such conditions our tab bearings last five times longer than the standard type and twice as long as our tmb series our eta bearings last nine times as long as the standard and five times longer than our et series Ħresists peeling peeling damage is caused when lubrication conditions deteriorate during use our tab/eta bearings are designed to stretch life as long as possible by being more resistant to peeling our tab bearings offer five times longer peeling life than the standard type and our eta bearings offer eight times longer peeling life long-life mechanism because most bearing damage occurs on the raceway surface ntn has enhanced the surface layer structure through a special heat treatment and selection of materials that have a persevering structure that does not give up
| ntn long-life as series tab/eta bearings table 1 comparison of impression shape for various materials material throughhardened steel standard bearing tab bearing surface retained impression impression bulge hardness austenite amount diameter depth amount hrc mm m m 62.0 62.0 61.0 62.5 10 28 25 29 2.40 2.45 2.80 2.63 80 83 102.5 97.5 5 4 1 1 carbonized standard bearing steel eta bearing impression diameter 2.40mm bulge amount 5 m impression shape example impression depth through-hardened steel standard bearing +200 +100 0 -100 +200 +200 +200 depth from surface mm 0.1 0.2 0.3 0.4 +100 0 -100 -200 -300 -400 -500 -600 -700 -800 -900 -1000 depth from surface mm 0.1 0.2 0.3 0.4 +100 0 -100 -200 -300 -400 -500 -600 -700 -800 -900 -1000 depth from surface mm 0.1 0.2 0.3 0.4 +100 0 -100 -200 -300 -400 -500 -600 -700 -800 -900 -1000 depth from surface mm 0.1 0.2 0.3 0.4 residual stress mpa -200 -300 -400 -500 -600 -700 -800 -900 -1000 standard heat treatment type special heat treatment type sta
| ntn long-life as series tab/eta bearings life test results of the life test are as given below the data given here concerns standard and tab/eta bearings disparity however results in figures that depend on the type of foreign matter when foreign matter is mixed in with the lubrication oil this data is provided for your reference 4.1 test bearings and test conditions test bearings are given in table 2 and test conditions in table 3 and 4 4.2 life data foreign matter mixed in with lubrication oil reference figures 2 and 3 show the test results with ntn standard foreign matter mixed in with lubrication oil with l10 life tab bearings last more than five times longer than standard bearings and eta bearings last more than nine times longer table 2 test bearings bearing standard 6206 tab206 cumulative failure probability main dimensions mm 30 62 16 basic dynamic basic static load rating load rating kn cr cor 19.5 11.3 99 80 50 20 10 5 standard bearing tab bearing standard 30206 eta30206 30
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