SKF
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* L9 f/ `; u9 F( `- PHigh-precision angular contact ball bearings SKF high-precision angular contact ball bearings/ b2 \+ L$ L3 ~$ |8 ]7 p
(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and
6 [/ N8 q8 }& Q2 `are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,
. N) P9 Y6 o: q' [) ?4 eACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,
( R- J; P6 g( R2 T4 z) A. aor C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
# y/ ^% J. ~$ T- s+ \! H: o' noutside diameter are also available. Depending on the preload class, these carry the designation . H, |6 L& l" [: _) s
suffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
1 C/ z- J1 N# csupplied.
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# u4 _4 O( M* e' ]' ihttp://www.skf.com/files/683101.pdf
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[ 本帖最后由 伊凡 于 2008-11-28 08:42 编辑 ] |