Model 702

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Vishay Spectrol

Revision: 29-Nov-17

2

Document Number: 57069

For technical questions, contact: sferprecisionpot@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

DIMENSIONS in inches (millimeters)

MECHANICAL SPECIFICATIONS

PARAMETER

Rotation

360° continuous

Bearing type

SERVO

Ball bearing

BUSHING

Sleeve bearing

Ganging

6 sections maximum Terminal alignment, added sections within ± 10° of section 1 terminals

Torque (maximum)



Servo section 1



Bushing section 1



Each additional section

STARTING

0.10 oz. - in (7.20 g - cm)

0.25 oz. - in (18.00 g - cm)

0.10 oz. - in (7.20 g - cm)

RUNNING

0.085 oz. - in (6.12 g - cm)

0.20 oz. - in (14.40 g - cm)

0.075 oz. - in (5.40 g - cm)

Mechanical runouts (maximums):



Shaft runout (TIR/In)



Pilot dia. runout (TIR)



Lateral runout (TIR)



Shaft end play



Shaft radial play

SERVO

0.002" (0.05 cm)

0.002" (0.05 cm)

0.002" (0.05 cm)

0.005" (0.13 cm)

0.002" (0.05 cm)

BUSHING

0.002" (0.05 cm)

0.002" (0.05 cm)

0.005" (0.13 cm)

0.005" (0.13 cm)

0.004" (0.10 cm)

Moment of inertia

0.12 g - cm2 per section maximum

Weight:



Single section



Each additional section

0.6 oz. (17.01 g)

0.2 oz. (5.67 g)

± 0.010

0.687

(17.45)

0.500

(12.70)

± 0.031

0.250

(6.35)

0.062

(1.57)

Ø 0.4062 MTG.

(10.32)

+ 0.0000

- 0.0010

Ø 0.1248

(3.17)

+ 0.0000

- 0.0003

Ø 0.875

(22.22)

± 0.015

3/

8 - 32 UNEF - 2A

MTG. FACE

0.308 MIN. TYP

(7.82)

30°

TYP.

1

3

2

R 0.640

(16.26)

MAX.

Ø 0.875

(22.22)

Ø 0.7500

(19.05)

+ 0.0000

- 0.0005

Ø 0.1248

(3.17)

+ 0.0000

- 0.0003

MTG. FACE

Ø 0.750

MAX.

(19.05)

0.875

(22.22)

± 0.015

0.687

(17.45)

± 0.010

0.500

(12.70)

± 0.031

0.062

(1.57)

1

ADD 0.500 (12.70) ± 0.002 FOR EACH

ADDITIONAL SECTION

TOLERANCES: UNLESS OTHERWISE NOTED.

DECIMALS ± 0.005 ANGLES ± 2°

SCHEMATIC

CW

2

3

1

SERVO MOUNT: 702S/702-2

BUSHING MOUNT: 702B/702-1

1

1

0.062

(1.57)

0.062

(1.57)