Model 502

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Vishay Spectrol

Revision: 29-Nov-17

2

Document Number: 57064

For technical questions, contact: sferprecisionpot@vishay.com

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

DIMENSIONS in inches (millimeters)

MECHANICAL SPECIFICATIONS

PARAMETER

Rotation

3600° +10° -0°

Bearing type

SERVO

Ball bearing

BUSHING MOUNT

Sleeve bearing

Torque (maximums)



Servo section 1



Bushing section 1



Each additional section

STARTING

0.4 oz. - in (28.8 g - cm)

0.5 oz. - in (36.0 g - cm)

0.3 oz. - in (21.6 g - cm)

RUNNING

0.3 oz. - in (21.6 g - cm)

0.4 oz. - in (28.8 g - cm)

0.2 oz. - in (14.4 g - cm)

Mechanical runout (maximums):



Shaft runout (TIR)



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)

0.003" (0.08 cm)

Weight:



Single section



Each additional section

1.20 oz. (34.0 g)

0.80 oz. (22.7 g)

Stop strength

100 oz. - in, static (7.2 kg - cm)

Ganging

2 sections, terminal alignment, added sections, within ± 10° of section 1 terminals

Moment of inertia

0.45 g - cm2 per section maximum

0.687

(17.45)

± 0.031

0.312

(7.92)

± 0.015

Ø 0.1248 TYP.

(3.17)

+ 0.0000

- 0.0003

Ø 0.281

(7.14)

+ 0.000

- 0.001

1/

4 - 32 UNEF 2A

MTG. FACE

0.062

(1.57)

± 0.015

Ø 0.875

(22.22)

± 0.015

1.448

(36.78)

± 0.010

0.168 MIN.

(4.27)

45°

± 10°

0.172 TYP.

(4.37)

± 0.015

0.594 R

(15.09)

MAX.

1.536

(39.01)

± 0.010

0.375

(9.52)

± 0.031

0.057 MIN.

(1.45)

0.062

(1.57)

0.062

(1.57)

Ø 0.875

(22.22)

Ø 0.7500

(19.05)

+ 0.0000

- 0.0005

MTG. FACE

0.750 MAX.

(19.05)

1

ADD 1.282 ± 0.002 (32.56) FOR EACH

ADDITIONAL SECTION

TOLERANCES: UNLESS OTHERWISE NOTED.

DECIMALS ± 0.005 ANGLES ± 2°

SCHEMATIC

CW

2

3

1

1

2

3

0.257 MIN.

(6.53)

1

23

BUSHING MOUNT: 502B/502-1

SERVO MOUNT: 502S/502-2

1

1