20° PRESSURE ANGLE
Precision Racks - Fine Pitch
MATERIAL: 416 Stainless Steel
Tooth to tooth spacing error
Total accumulated spacing error
Parallelism of pitch line to base
.0005
.002
.001
RACK TOLERANCES
Precision
Component
C ±.
A ±1/32
Fig. 1
A ±1/32
C (REF.)
Fig. 2
E+.000
-.002
PD+.000
-.001
E+.000
-.002
D+.0000
-.0002
PD+.000
-.001
S1811Y-RB-1P
S1811Y-RB-2P
S1811Y-RB-3P
S1811Y-RB-4P
S1810Y-RB-5P
S1810Y-RB-6P
S1810Y-RB-7P
24
32
48
64
72
96
120
.4383
.4487
.4592
.4644
.3411
.3446
.3467
––
––
––
––
––
––
––
.230
.230
.167
.167
.167
.480
.480
.355
.355
.355
18
11
Figure Number
(Rack Type)
Catalog Number
Pitch
A
C
Pitch
Distance
D
E
1
(Rectangular)
S1809Y-RA-1P
S1808Y-RA-2P
S1807Y-RA-3P
S1807Y-RA-4P
S1805Y-RA-5P
S1805Y-RA-6P
S1804Y-RA-7P
24
32
48
64
72
96
120
.4383
.3087
.1992
.2044
.1421
.1456
.1067
.4997
.3747
.2497
.2497
.1872
.1872
.1247
3/16
3/16
5/32
5/32
1/8
1/8
3/32
.480
.340
.220
.220
.156
.156
.115
18
11
Available on special order: 14-1/2° P.A., teeth not listed, different material, passivation for Stainless Steel.
2
(Round)
1-188 REV: 8-3-05 mm
