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PIC Catalog 45 PDF Downloads

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

                            

Notes:
1.) U2 parts: Shaft Length is 3/8"-Shaft length on output end does not change
2.) U3 parts: Shaft Length on Input side is 5/16”
            Shaft Length on Output side is 3/8”
3.) For special ratios, consult factory.


PDF
Shaft Units:     Body Diameter:     Shaft Direction of Rotation:     
            

Note: Click on headings to sort.
 Part NumberFrame SizeNumber of Gear ClustersEnd Shaft to Mounting SurfaceGear Ratio
U1-11013/8 inch9.50:1
U1-111053/8 inch400.73:1
U1-121053/8 inch502.78:1
U1-41033/8 inch39.86:1
U1-51033/8 inch50.14:1
U1-61033/8 inch75.14:1
U1-71033/8 inch100.56:1

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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