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1–189
Precision Racks - Fine Pitch
20° PRESSURE ANGLE
S1811Y-RC-1
S1811Y-RC-1A
S1811Y-RC-2
S1811Y-RC-2A
S1811Y-RC-3
S1811Y-RC-3A
S1811Y-RC-4
S1811Y-RC-4A
S1810Y-RC-5
S1810Y-RC-5A
S1810Y-RC-6
S1810Y-RC-6A
S1810Y-RC-7
S1810Y-RC-7A
S1810Y-RC-8
S1810Y-RC-8A
24
32
48
64
72
80
96
120
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
Stainless Steel
Aluminum
.4383
.4487
.4592
.4644
.3411
.3425
.3446
.3467
3.208
3.208
2.875
2.208
1.541
1.541
.875
1.541
.230
.230
.230
.230
.230
.167
.167
.167
10"
10"
9"
7"
5"
5"
3"
3"
.480
.480
.480
.480
.480
.355
.355
.355
Width
+.000
-.002
A ± .010
Face
± .002
Center
Distance
Pitch
Distance
Material
Pitch
Catalog Number
MATERIAL: 416 Stainless Steel
2024-T4 Aluminum, Chromic Acid Anodized
Available on special order: 14-1/2° pressure angle, other materials and hole layouts, passivation for stainless steel.
Tooth to tooth spacing error
Total accumulated spacing error
Parallelism of pitch line to base
.0005
.002
.001
RACK TOLERANCES
Precision
Component
+.000
A
C.D.
C.D.
C.D.
.187
FACE
WIDTH
.156 FOR 72, 80, 96 & 120 PITCH
.218 FOR 24, 32, 48 & 64 PITCH
(4) .147 DIA. FOR 24, 32, 48 & 64 PITCH
(4) .147 DIA. FOR 72, 80, 96 & 120 PITCH
