SPECIFICATIONS C-178, C-300
1 7/8" and 3" Sine Cosine

ROTATION:
Continuous electrical and mechanical.
POWER RATINGS:
C-178, 2.5 watts C-300, 4 watts
ROTATIONAL LIFE:
Over 1,000,000 cycles.
TORQUE:
Two inch-ounce per unit (maximum) for sleeve bearing; one inch-ounce per unit (maximum) for ball bearing.
TAPS:
Positioned to function requirements.
RESISTANCE:
± 10% STANDARD TO ± 5% on order.
FUNCTION CONFORMITY:
± 1% standard to ± .25% on order. Multiple sections phased for simultaneous or other conformity.
SHAFT:
C-300, .2495 to .2498 diameter. C-178, .1246 to .1249 or .1872 to .1874 diameters. Precision ground stainless steel, passivated for maximum corrosion resistance.
WIRE: Various alloys are used depending on particular application. Generally, wire with temperature coefficient of 0.00002 is specified.
HOUSING: Precision machined aluminum, blue Aluminlite finish for sleeve ball bearing Permanent and screw on, removable dust covers,
MOUNTINGS: Three tapped stainless steel inserts 3/16 full threads with central pilot, or servo mounting. .0015 T.I.R. concentricity and .003 T.I.R. lateral runout on order.
TERMINALS: Hard gold plated turret terminals.
CONTACT MATERIALS: Precious metals.

SUPPLEMENTARY DIMENSIONS
DIMENSION
C-178
C-300
A
1 1/4"
1 3/4'
B
1 7/8"
3"
C
3/4"
1 1/4"
D
.718"
1.218"



 


Samarius Precision Instruments, Inc..
203-269-1545

346 Quinnipiac St., Wallingford, CT 06492
Fax: 203-269-1326 • E-mail: info@samarius.com