plaquette MACHLINE - Ntn-snr.com
plaquette MACHLINE - Ntn-snr.com
plaquette MACHLINE - Ntn-snr.com
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Symbol system<br />
for MachLine ® bearings<br />
12<br />
Bore diameter<br />
ML<br />
Code Dimensions<br />
00 10 mm<br />
01 12 mm<br />
02 15 mm<br />
03 17 mm<br />
04 x 5 20 mm<br />
05 x 5 25 mm<br />
.... x 5 etc…<br />
High<br />
Speed range<br />
719<br />
Series<br />
719 (ISO 19)<br />
70 (ISO 10)<br />
72 (ISO 02)<br />
CH<br />
CH<br />
N<br />
Hybrid<br />
bearing<br />
HNS<br />
bearing<br />
* Lubrication holes<br />
in outer ring<br />
L1<br />
(no code)<br />
= Standard ring<br />
V<br />
V<br />
High Precision bearings<br />
Series 719-70<br />
Stratified phenolic cage guided<br />
by the outer ring<br />
G1 High load capacity bearing<br />
Serie 72<br />
Stratified phenolic cage guided<br />
by the outer ring<br />
L2<br />
J<br />
Symbol preceding<br />
preload and precision<br />
functions<br />
4S<br />
Tolerance classes<br />
Code Precision<br />
4 P4S for<br />
standard<br />
4S P4S for<br />
ML and MLE<br />
2 ISO 2 (ABEC 9)<br />
ML E CH 719 12 C V<br />
*<br />
U<br />
*<br />
J 7 4S<br />
*<br />
E<br />
Sealed<br />
bearing<br />
C<br />
Contact<br />
angle α<br />
Code Stand. ML<br />
C 15° 17°<br />
H 25° 25°<br />
U<br />
Association code<br />
Universal bearing and association<br />
of universal bearings<br />
U Universal single bearing<br />
DU Universal pair<br />
TU Association of 3 universal bearings<br />
QU Association of 4 universal bearings<br />
Association of paired bearings:<br />
identical contact angles<br />
DB<br />
DF<br />
Q16<br />
Q21<br />
*<br />
Specials<br />
Example:<br />
D = greased<br />
bearing<br />
7<br />
Preload<br />
Code Designation<br />
7 Light<br />
8 Medium<br />
9 Heavy<br />
X Special<br />
0 Not defined<br />
DT<br />
Q18<br />
Association of paired bearings:<br />
different contact angles<br />
Q34<br />
Q30<br />
*<br />
(empty)<br />
standard bearing<br />
R = classification<br />
of inner and<br />
outer diameter<br />
For other associations,<br />
consult SNR<br />
Packaging<br />
available from 2006<br />
38
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