SKF( x4 c1 C6 J4 G: j3 c$ O% n
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High-precision angular contact ball bearings SKF high-precision angular contact ball bearings
) [+ M+ D7 `$ E! o$ f% C7 G; y: B# `(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and( |- I( D6 k E9 U7 w/ ^9 J9 M
are available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,0 L9 W2 d5 U |0 ^
ACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B,
) O9 j2 p" n9 c; \8 M: _or C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
9 H' e$ Q6 O% `7 houtside diameter are also available. Depending on the preload class, these carry the designation
1 F7 r6 v& k7 e% Q; msuffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
q% W0 Z* I. D4 J3 G6 P' wsupplied.
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http://www.skf.com/files/683101.pdf3 r1 h9 N' L0 q4 b1 T" R
1 q+ B4 i, w j) q. f) y# `) B0 R[ 本帖最后由 伊凡 于 2008-11-28 08:42 编辑 ] |