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Home>Gear Products>Speed Reducers and Gear Heads>Precision Gear Heads

Motor Pinion Data

Number of Teeth:13
Diametral Pitch:120
Pressure Angle:20
Testing Pitch Radius:.0542 .0530
Outside Diameter:.1247
Pinion Supplied by the Customer

PDF
Body Diameter:Shaft Direction of Rotation:

Note: Click on headings to sort.
Part NumberFrame SizeNumber of Gear ClustersGear Ratio
U7-11117.23:1
U7-10113130.15:1
U7-16115433.85:1
U7-17115578.46:1
U7-18115723.08:1
U7-191151446.15:1
U7-211110.85:1
U7-211152603.08:1
U7-221153253.85:1
U7-311114.46:1
U7-411118.08:1
U7-611336.15:1
U7-811365.08:1
U7-911372.31:1

MECHANICAL SPECIFICATIONS DATA

Specifications

U1

Series

U2, U3, & U7

Series

U4 & U8 Series

Maximum Rated Output Torque

40 oz. in.

65 oz. in.

125 oz. in.

Frame Size and Dia. Of Unit

Size 10, 15/16 Dia.

Size 11, 1-1/16 Dia.

Size 18, 1-3/4 Dia.

Shaft Size

1/8" Dia. & 3mm

1/8" Dia.& 3mm

1/4" Dia. & 6mm

Max. Operating Load Torque

25 oz. in.

30 oz.in.

65 oz in.

Starting Torque (Max.)

.004 oz.in.

.005 oz.in.

.03 oz.in.

Backlash (Max.) Measured at Output Shaft with 5 oz. In. Rev. Load

30 Min. (Max.)

30 Min.(Max).

30 Min. (Max.)

Lubricated Per MIL Specs.

Oil Per MIL-L6085a Grease Per MIL-G-238227a

Ball Bearings

ABEC-5 or Better

Gear Tolerances

Q12 or Better

Shaft Radial Play

With 4 0z. Gage Load .002 in.Per in. Length Max.

Shaft End Play

With 1lb. Gage Load .004 In. Max

Weight (Approx.)

2 oz.

3 oz.

8 oz.

Moment of Inertia at Input Shaft (Approx.)

.007 Gm-Cm2

.015 Gm-Cm2

.135Gm-Cm2

Use with PIC Breadboard Hanger

S1-10 Modified

S1-8

S1-3


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