SKF" X0 ^# g: f+ `4 `+ Q0 I
1 \+ e) S3 Z b R5 `, w5 k$ @High-precision angular contact ball bearings SKF high-precision angular contact ball bearings+ C4 H1 K$ H/ R( Z, x- a t. k
(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and @) K7 a1 U1 B
are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,& W+ _( L% c8 h* p5 R$ G6 ~
ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,
) B3 |" e+ @& \' i8 W3 zor C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
, s `5 x1 a0 i6 c' y9 j" Koutside diameter are also available. Depending on the preload class, these carry the designation
* A: b1 e$ q0 K5 }; i" w6 ksuffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
) c/ s& _0 f- L- E0 Wsupplied." E8 b7 ?9 Q6 w1 c
. I z9 E& _7 O! S6 M; ~
http://www.skf.com/files/683101.pdf
9 O* C p, e8 m4 U; s- [6 y& Q$ ^' y7 D) {" G
[ 本帖最后由 伊凡 于 2008-11-28 08:42 編輯 ] |