SKF
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' F/ n: A- Q3 T1 e5 NHigh-precision angular contact ball bearings SKF high-precision angular contact ball bearings4 J! u8 t) h! X; V$ i& {! G
(† fig. 10) are produced in three different dimension series – 719, 70 and 72 – and
2 [/ w( m; [+ [/ ^! Q: X. q% K/ Iare available with contact angles of 15° (suffix CD or CE), 18° (suffix FB) and 25° (suffix ACD,
- E" b0 l4 |1 H( L5 W8 ` iACE). Bearings for universal matching are identified by the designation suffix G, followed by A, B, 2 ]$ }# H2 Z* ~6 S7 ~8 `) K. S, |
or C for the preload class (e.g. 71910 ACDGA/P4A). Sets of two bearings with matched bore and
1 b! O- z z& K# x8 Woutside diameter are also available. Depending on the preload class, these carry the designation % d$ W9 k3 a2 t p# Q8 p
suffix DGA, DGB, or DGC (e.g. 7006 CD/P4ADGB). Also, matched sets of two or more bearings can be
/ E* {! v2 \7 v9 ~. [5 csupplied.7 G( _2 B5 E3 V$ k) ]" z3 @/ Y
. a# ]& v& E! S# ]
http://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 ] |