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$ \* i" R2 m0 m4 `High-precision angular contact ball bearings SKF high-precision angular contact ball bearings
) y4 K' h: u/ V- {% F(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and
$ o1 Q' v7 N$ ^" v3 Pare available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,
, L: ^. a$ U& `! R0 k7 T0 \ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B, . t6 \3 ^3 {! H* h3 M% `
or C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
: l5 u, _3 I2 J/ Noutside diameter are also available. Depending on the preload class, these carry the designation % i/ L$ Q1 r. { X/ ?. m
suffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
H* h9 E& v) p" c1 X7 vsupplied.
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/ w$ _, {7 ]1 O7 \; [8 X( ghttp://www.skf.com/files/683101.pdf9 p/ M/ N) a* X% J
+ X( S) n. G5 r r7 d8 b[ 本帖最后由 伊凡 于 2008-11-28 08:42 編輯 ] |