Tolerances
Table of Recommended Fits | Table of Recommended Shoulder Diameter
Table of Recommended Fits*
| Typical Applications |
Shaft Fit |
Shaft Diameter |
Housing Fit |
Housing Diameter |
Tape guide roller, pulley, cam follower, outer ring rotation
|
.0000 - .0004L
|
d -.0002
d -.0004 |
.0001L -.0003T
|
D -.0001
D -.0003 |
Drive motor (spring preload)
|
.0001T - .0003L
|
d - .0001
d - .0003 |
.0000 - .0004L
|
D +.0002
D -.0000 |
Precision synchro or servo
|
.0000 - .0002L**
|
d -.0001
d -.0003 |
.0000 -.0002L**
|
D +.0001
D -.0001 |
Potentiometer
|
.0001T - .0003L
|
d -.0001
d -.0003 |
.0000 -.0004L
|
D +.0002
D -.0000 |
Encoder spindle
|
.0000 -.0002L**
|
d -.0001
d -.0003 |
.0000 -.0002T**
|
D -.0001
D -.0003 |
*Measurement in inches.
L = Loose Fit.
T= Tight Fit.
d = Bearing Bore as listed.
D = Bearing OD as listed.
**Bearings must be purchased with bore and OD coding.
EXAMPLE: To use SSR-2 bearing in a potentiometer the shaft diameter should be .1250 -.0001 to .1250 -.0003 or .1249 to .1247. The housing should be .3750 +.0002 to .3750 -.0000 or .3752 to .3750.
Table of Recommended Shoulder Diameter*
| Basic Size |
Minimum Shaft Shoulder Diameter |
Maximum Housing Shoulder Diameter |
SSRI-2
SSRI-21/2
SSRI-3
SSRI-4
SSRI-3332
|
.060
.071
.079
.102
.114 |
.105
.132
.164
.226
.168 |
SSRI-5
SSRI-418
SSRI-518
SSRI-618
SSR-2 |
.122
.148
.153
.153
.179 |
.284
.226
.284
.347
.325 |
SSR-2A
SSRI-5532
SSR-1640X
SSRI-5632
SSRI-6632
|
.179
.180
.210
.210
.216 |
.446
.288
.580
.288
.347 |
SSR-3
SSR-1650X
SSR-1950
SSR-1960
SSRI-614 |
.244
.250
.250
.290
.272 |
.446
.580
.700
.700
.352 |
SSRI-814
SSR-4
SSRI-1214
SSR-2270
SSR-2280 |
.284
.310
.322
.325
.370 |
.466
.565
.678
.810
.810 |
SSR-2690
SSRI-8516
SSRI-1038
SSRI-1438
SSRI-2610
|
.420
.347
.435
.451
.470 |
.950
.466
.565
.799
.950 |
SSRI-1212
SSRI-1812
SSRI-1458
SSRI-1634
SSRI-1218 |
.560
.625
.665
.790
.160 |
.690
1.025
.835
.960
.710 |
*Measurement in inches. |
ENGINEERING
DATA