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APPENDICES<br />
TOLERANCES<br />
ntnamericas.com<br />
Metric<br />
Standard<br />
Units<br />
mm<br />
inches<br />
Take-up Unit Housings (T, TG)<br />
Housing Numbers A 2<br />
Deviations<br />
H 1<br />
Deviations ∆H 1<br />
s<br />
T, TG T, TG T ∆A 2<br />
s High Low<br />
204 – –<br />
205 305 X05<br />
206 306 X06<br />
207 307 X07<br />
208 308 X08<br />
209 309 X09<br />
210 310 X10<br />
211 311 X11<br />
212 312 X12<br />
213 313 X13<br />
214 314 X14<br />
215 315 X15<br />
216 316 X16<br />
217 317 X17<br />
– 318 –<br />
– 319 –<br />
– 320 –<br />
– 321 –<br />
– 322 –<br />
– 324 –<br />
– 326 –<br />
– 328 –<br />
+0.2<br />
0<br />
+0.008<br />
0<br />
+0.3<br />
0<br />
+0.012<br />
0<br />
0<br />
0<br />
0<br />
0<br />
-0.5<br />
-0.020<br />
-0.8<br />
-0.032<br />
Parallelism<br />
of Guide<br />
-0.5<br />
-0.020<br />
(T, TG)<br />
Note: A 1<br />
is the width of guide rail grooves. H 1<br />
is the maximum span of guide rail grooves. This table can be<br />
applied for bearing <strong>units</strong> with dust covers.<br />
Cartridge Unit Housings (C)<br />
Housing Numbers<br />
– C316 –<br />
– C317 –<br />
– C318 –<br />
– C319 –<br />
– C320 –<br />
– C321 –<br />
– C322 –<br />
– C324 –<br />
– C326 –<br />
– C328 –<br />
Note: 1) H is the outside diameter of cartridge housings.<br />
2) A is width of cartridge housings.<br />
0.6<br />
0.024<br />
0.7<br />
0.028<br />
0.8<br />
0.032<br />
Table 5.8 (1) Flanged <strong>units</strong> housings (FH, FA, PF, PFL) Unit: mm/inch H Deviations ∆Hs<br />
A2C2 J C3 N<br />
Housing<br />
Housing<br />
CX Radial Runout<br />
Deviations<br />
Deviations Deviations<br />
numbers<br />
numbers<br />
of Outside<br />
High ΔA2s Low High ΔJs Low ΔNs<br />
High Low<br />
J<br />
Surface<br />
– –<br />
(FA)<br />
(PF)<br />
0<br />
0<br />
0<br />
0<br />
0<br />
0<br />
-0.046<br />
-0.0018<br />
-0.052<br />
-0.0020<br />
-0.057<br />
-0.0022<br />
Table 5.8 (1) Flanged <strong>units</strong> housings (FH, FA, PF, PFL)<br />
Housing<br />
numbers<br />
―<br />
FH, FA204<br />
FH, FA205<br />
FH, FA206<br />
FH, FA207<br />
FH, FA208<br />
FH, FA209<br />
FH, FA210<br />
FA211<br />
A2<br />
Deviations<br />
ΔA2s<br />
PF203<br />
PF204<br />
PF205<br />
±0.5<br />
±0.020<br />
PF206<br />
PF207 ±0.4<br />
PF208 ±0.016 A<br />
PFL203<br />
(C)<br />
PFL204(C)<br />
PFL205<br />
±0.8 PFL206<br />
±0.032 PFL207<br />
– –<br />
Housing<br />
numbers<br />
(PF)<br />
(T, TG)<br />
(T, TG)<br />
BJ<br />
Deviations<br />
0.4<br />
0.016<br />
ΔJs<br />
Unit: mm/inch<br />
XB<br />
N<br />
Deviations<br />
ΔNs<br />
±0.25<br />
±0.010<br />
Note: 1) A2 is distance between the center line of spherical bore diameter of<br />
housings.<br />
2) J is the bolt hole's center line dimension.<br />
21<br />
A<br />
Deviations<br />
∆As<br />
C204 – – ― 0<br />
-0.030 PF203 – – – –<br />
C205 C305 CX05FH, FA204 0 -0.0012 PF204<br />
(FLR)<br />
C206 C306 CX06FH, FA205<br />
PF205 0<br />
-0.035<br />
0<br />
-0.035<br />
0 -0.0014 0 -0.0014<br />
0.2<br />
±0.2<br />
C207 C307 CX07FH, FA206<br />
Table 5.8 (2) Flanged <strong>units</strong> housings (FLR)<br />
±0.5 PF206<br />
0<br />
-0.035<br />
0.008 ±0.008<br />
C208 C308 CX08FH, FA207 ±0.020 PF207 ±0.4 ±0.25<br />
J Deviations<br />
0 -0.0014<br />
Housing numbers<br />
FH, FA208<br />
C209 C309 CX09<br />
PF208<br />
ΔJs<br />
±0.016 ±0.010<br />
FH, FA209<br />
C210 C310 CX10<br />
PFL203<br />
FLR204<br />
0<br />
-0.040<br />
FH, FA210<br />
PFL204<br />
FLR205<br />
C211 C311 CX11<br />
0<br />
-0.040<br />
0 -0.0016 ±0.7<br />
0<br />
-0.040 PFL205<br />
FLR206<br />
C212 C312 CX12<br />
0 -0.0016<br />
±0.028<br />
0 ±0.8 -0.0016<br />
C213 C313 – FA211<br />
PFL206<br />
FLR207<br />
±0.032 PFL207<br />
FLR208<br />
– C314 – Note: 1) A2 is distance between the center line of spherical bore diameter of<br />
0.3<br />
– C315 – housings.<br />
0.012<br />
2) J is the bolt hole's center line dimension.<br />
H<br />
(FH)<br />
(PFL)<br />
<strong>NTN</strong><br />
±0.3<br />
±0.012<br />
A2<br />
21<br />
A2 Deviations<br />
ΔA2s<br />
±0.5<br />
±0.020<br />
Unit: mm/inch<br />
Table 5<br />
Housi<br />
F<br />
F<br />
F<br />
F<br />
F<br />
302
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