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High-precision angular contact ball bearings SKF high-precision angular contact ball bearings' j0 h0 H' J' n& J: B0 d' u
(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and s+ p& M* i2 N8 k/ f' v
are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,: Q, f' b& J2 V0 V: w& a
ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,
2 A5 G) ^. }# Q* _/ I" J0 w. {. Xor C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and i% }8 l9 y* F. Q) a" u5 W
outside diameter are also available. Depending on the preload class, these carry the designation $ l2 _3 b! ]7 @
suffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
) f x& ~2 ]2 nsupplied.# k% f' G- f2 w; }: z2 `8 o
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http://www.skf.com/files/683101.pdf3 R- e0 n! F+ O. y& J
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[ 本帖最后由 伊凡 于 2008-11-28 08:42 编辑 ] |