
Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois
60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
Optical
and
Mechanical
Encoders
Optical Encoders
SERIES 61K
High Resolution, 4-Pin
FEATURES
25, 32, 50, 64, 100, 128 and 256
Cycles per Revolution Available
Sealed Version Available
Rugged Construction
Cable or Pin Versions
10 Million Life Cycles
300 RPM Shaft Rotation
DIMENSIONS In inches (and millimeters)
Pin Version
I-37
GRAYHILL XXXX X-X
61kXXX
XXXX X-X
XX
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR
±.010 (.25), DIAMETERS ±.010 (.25), ANGULAR ±5
1.250 DIA
(31.75)
.219
(5.57)
.033
(.84)
.066
(1.68)
.250
(6.35)
.100
(2.54)
.501
(12.73)
.725
±.025
(18.42
±.64)
.225
(5.71)
.776
±.025
(19.71
±.64)
.249/.250 DIA
(6.32/6.34)
.025 X 45
(.64)
CHAMFER
3/8 - 32
UNEF-2A
THREADS
PIN #1
.350
(8.89)
.550 DIA
(13.97)
MOUNTING
SURFACE
.152
(3.86)
KEYWAY DEPTH
.150
(3.81)
.300
(7.62)