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China, Chinese Nfr Series One Way Bearing Roller Type Freewheel1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Special BearingNfr Freewheel ClutchNfr Bearing
Changzhou Suma Precision Machinery Co., Ltd.
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Product Description NFR Series One Way Bearing Roller Type Freewheel Description of NFR Series One Way Bearing Roller Type FreewheelType NFR is a bearing supported roller type freewheel without any sealing. Lubrication and sealing must be provided by the installation. Standard lubrication is oil. Size 8 to 20 units use steel on steel bearing support ROM the inner race. Above size 20, two 160...Series ball bearings are used, giving a higher overrunning speed capacity. A typical arrangement is shown overleaf.The inner race is keyed to the shaft. The outer race has a positive n6 tolerance to give a press fit in a housing to H7. Additional side notches provide for positive torque transmission. The housing must be strong enough to not expand after assembly. Data Sheet of NFR Series One Way Backstopping ClutchModelNFR8-NFR130Torque (N.m)20-34750Overrunning Speeds (rpm)Inner Race1000-250Outer Race1000-3600Dimension (mm)Bore Size8-130Outer Race Size37-300Thickness20-180Weight (Kg)0.1-68Parameter of NFR Series One Way Backstopping ClutchTypeSize Overrunning speedsBearing Weight NFR(ANR-ANG)dH7(mm)TKN1(Nm )Nimax2)(min-1)Namax3)(min-1) Dn6(mm)D2(mm)D4(mm)L(mm)I(mm)t(mm)bH11(mm)r(mm)r1(mm) (kg)82010001000*37203020 3611.50.1122010001000*37203020 3611.50.11578850850*47263730 3.571.51.50.320188650650*62375236 3.58220.6252502100360016008**804068400.2492.521.2305001700320016009**904575480.25122..521.8356631550300016010**1005080531.26132.52.52.44011001150260016011**1105590632.271532.53.34515001000240016012**1206095632.271632.54.0502375800215016014**13070110802.78.5173.535.7552550750200016015**14075115804.29183.536.5604250650190016016**15080125953.29183.53.58.9705875550175016018**170901401101.19203.53.513.58010000500160016021**190105160125092043.519.09017250450145016024**2151201801400.611.5244427.210079625350125016028**2601402101502.614.5284444.513034750250100016032**300160240180217.5325568.01) Tmax = 2 × TKN2) Inner race overruns3) Outer race overrunsPackage
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