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" J7 p1 E% A2 g# P. A6 xHigh-precision angular contact ball bearings SKF high-precision angular contact ball bearings
7 Q5 l3 ^3 g& B: j/ M) ?(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and
) z4 S* H3 p" D! J% i% ^are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,
* H' L, Z% E4 _) ^2 Q3 dACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B, % Y4 q$ T7 T$ T7 v6 O" |, H
or C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and 2 l; x3 l) p2 T' w
outside diameter are also available. Depending on the preload class, these carry the designation
- p* ~& u* C: ksuffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be! [" F. F' |* c7 b; p
supplied.
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5 U% ] k) H2 l3 Phttp://www.skf.com/files/683101.pdf
i. d0 @' X" w0 u+ V% b3 ~5 g6 b! i. ]/ l4 f; d
[ 本帖最后由 伊凡 于 2008-11-28 08:42 編輯 ] |