SKF4 I- F0 F* L$ o 3 e. k. m$ l" J High-precision angular contact ball bearings SKF high-precision angular contact ball bearings $ o# j3 i3 Q* h$ O$ o- M(? fig. 10) are produced in three different dimension series – 719, 70 and 72 – and 2 k7 H! i; G+ k3 N" Z9 rare available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,7 p6 z# S9 ~1 E/ i6 _ ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,( H% q* M' P+ g6 J- |* ?$ Q, d or C for the preload class (e.g.71910 ACDGA/P4A). Sets of two bearings with matched bore and) j- p1 m* p- X: U% G outside diameter are also available. Depending on the preload class, these carry the designation " R" p2 T8 B/ Tsuffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be + o ^ M9 b4 _supplied. 5 i! x& y/ u% A' [0 u" i+ A9 X* Q1 K$ U: W . f# z' {' ]1 ~3 s6 \4 r& {3 [" Nhttp://www.skf.com/files/683101.pdf* ?: a/ \, B/ `
/ j$ A2 ?& U, ]* Z+ l% m[本帖最后由 伊凡 于 2008-11-28 08:42 编辑] |