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comply with ISO standard. E….J. Indicates metric series. Interchangeable cup & cone. Prefix “H”. H indicates the bearing rings are manufactured from case hardening carbon steel for higher loading and better impact resistance. Advanced Inner Ring Rib Design Provides. Superior Roller Guidance for Better Efficiencies.
Because of their versatility, Single-row, Deep-groove Ball Bearings are the most popular of all the ball bearing types. NACHI Deep-groove Ball Bearings are available in a wide range of series defined by the JIS(ISO) standard dimension plan and are also made to meet specialized dimension and configuration requirements.
Combinations. Any Combination of NACHI FLUSH GROUND because these are universal type bearings, DB, DF and DT combinations as well. BFF. DB. DF. L. FFB. BFF. DB. DF. M. FFB. BFF. DB. DF. H. FFB. BFF. Recommended preload for 7000CU series. Unit : N. Preload symbol. Bore dia. number. 00. 01. 02. 03. 04.
Static equivalent radial load. Larger value of following to be used: Por=0.5Fr+YoFa. Por=Fr. • Values e, Y1, and Yo from table. Fa. Fr. ≦ e. X. Y. 1. 0. Fa. Fr. ＞ e. X. Y. 0.4. Y1. Note: Minus value of load center indicates center is outside cone backface. H-E30202. H-E30302J. E30203J. 32203. E30303J. 32303. E32004J.