SKF
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3 n& u- n6 U9 yHigh-precision angular contact ball bearings SKF high-precision angular contact ball bearings1 U! y$ a1 A% V, D b; G8 B% @; `. N1 R
(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and0 o5 t# j% C! w( [+ t. o9 N* N7 c
are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,6 B$ m- f0 g. C* d
ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B, ( \6 g" a6 x; J& x/ H
or C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
9 u) ?, F% W& { qoutside diameter are also available. Depending on the preload class, these carry the designation " E" f/ k* n1 K9 A" i6 d0 \# Y6 ]
suffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
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$ i5 O4 F9 \% v. W8 w7 B& ]5 h Hhttp://www.skf.com/files/683101.pdf; O, w7 f: J6 q( j0 n7 F( ~: Y. {
/ a$ N9 w; {7 t0 w2 v[ 本帖最后由 伊凡 于 2008-11-28 08:42 编辑 ] |