SKF
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" J& X" ?8 {; Y# }High-precision angular contact ball bearings SKF high-precision angular contact ball bearings
) H# f4 K8 z0 W$ }(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and& i; q, _3 ?3 T9 c, D. a! y2 e; W
are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,; j. l( k# i% e+ x& m5 z6 B6 p' ?( @
ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,
7 Y3 w7 P$ ]/ N; F( ~% ior C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and ( s6 B& U# k: s% H- O }) z8 r
outside diameter are also available. Depending on the preload class, these carry the designation
% I% ^6 ]; n+ [4 ~! Nsuffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
, W* x1 e, ~. J9 lsupplied.3 O* k8 S. D3 S4 A9 ^. m
1 m& Z4 Z' }4 @/ _: ~http://www.skf.com/files/683101.pdf
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6 Q" L, z# n. G$ B) b& Z[ 本帖最后由 伊凡 于 2008-11-28 08:42 编辑 ] |