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本帖最后由 LIAOYAO 于 2013-1-10 21:17 编辑 - Z! \6 `4 u( ~6 j) P) w* [
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71948.E.TPA.P2H.X3.UM.TBT: W9 B: }8 @& @6 |& c- y7 ?
SKF高精密角接触球轴承的命名系统:9 p* N. I! u% C; J) l
轴承系列:719 ISO尺寸系列19
. Y/ Q+ h, V6 g1 E轴承尺寸:48 内径尺寸2400 y9 Q1 d6 O8 @& ^3 }
联系角度和内部设计:
) q0 Y4 Q+ n7 J5 w! L7 n8 i8 lACD 25°接触角
, f" Y( D/ h+ Z5 X2 ?ACE 25°接触角,高速的设计* k1 E3 S- @2 d. m) O4 t
CD 15°接触角
1 s5 E! D1 j! S" V: P( Z5 oCE 15°接触角,高速的设计- H' a4 v7 u7 Q8 A
DB 25°接触角,高速的设计# |9 t* X* ^( A/ }6 {5 w" [/ a1 B
FB 18°接触角,高速设计- ~( D4 s3 O- ]
GA 通用匹配的轴承,预紧A级
" Q) d; l( n* o2 @1 qGB 通用匹配的轴承,预紧B类1 c$ f. @4 r) H$ E
GC 通用匹配的轴承,预紧C类
. n- G5 l- @. p1 a1 }; S a( s保持架设计和材质球:
$ y3 S. N$ K+ e O1 v- 纤维增强酚醛树脂的窗式保持架,外圈为中心(没有后缀)8 Q' [! Q: G( [0 F; C
- 球高碳铬钢(没有后缀)9 O" h' I! L8 k2 v; @! D4 p3 |
HC 球氮化硅制成的(如果不是指定的前缀). g! I3 c: s/ F/ t6 F
公差: / m! ?7 C, Q; n# _) g
P4A ISO公差等级为4的尺寸精度,旋转精度比ISO 4级
{ M. a( W( ^; w3 c: v Dimensional accuracy to ISO tolerance class 4, running accuracy better than ISO class 41 E; r0 ~$ y+ C- E' [3 g. G7 V
P7 ISO公差等级为4的尺寸精度,旋转精度比ISO 4级+ r q0 I( {' U
Dimensional accuracy to ISO tolerance class 4, running accuracy better than ISO class 4
& ]) s: h: [( @# G# jPA9A 尺寸和运行精度ABMA公差级ABEC 92 A2 t- M S! K- |
Dimensional and running accuracy to ABMA tolerance class ABEC 9" ^, A! t' E6 ~3 {" n$ {! A! q
P9 尺寸和运行精度ABMA公差级ABEC 9
5 \- f' R$ m; Y+ @& W) R Dimensional and running accuracy to ABMA tolerance class ABEC 9
( o3 _; X4 q7 e5 X' U每套轴承:
% U4 i1 U( i' |8 y: L, b2 WD 2个轴承
9 W' {& ~: w! Z; [T 3个轴承4 |( {6 t, z. v5 p& [
Q 4个轴承
" T7 D. |" m4 u( G在匹配的套轴承布置: 4 p8 v# J! v, v; z, Q
B 背对背 Back-to-back
" J8 [2 ~- r$ P1 s; E. x0 eF 面对面 Face-to-face
- W) m: U+ A! m" b% g" e' N1 RT 串联 Tandem
" w* G" F, k' l2 w" ]BT 背对背串联 Back-to-back tandem
- e, ?7 U8 l6 t! m7 E+ {, fFT 面对面串联 Face-to-face tandem
, O2 ~, Y h/ l1 `) G4 mBC 背对背成对的串联 Back-to-back of pairs in tandem3 \; D4 O9 A5 c' Z
FC 面对面成对串联 Face-to-face of pairs in tandem
, l& z. |8 ~$ {* w. K9 c1 v% K+ R预压:
5 z) S+ A* B; OA 轻预压 Light preload
( q* d9 p/ U) X5 n9 s; @, c! `' J& t, GB 中预压 Medium preload
" H d) m @6 y3 e9 Y! _0 JC 重预压 Heavy preload
( `2 E5 ^- K% I$ s- b4 ?1 z {G.. 特殊的压 Special preload, value in daN, e.g. G240
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以上资料来自SKF官网
7 T2 I g9 o4 M# O$ vhttp://www.skf.com/us/products/bearings-units-housings/high-super-precision-bearings/skf-high-precision-bearings/angular-contact-ball-bearings/desgination-system/index.html t! X' O( a5 E, ^# B3 \
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