1" - 1 Multiple Lead Stub Acme

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1" - 1 Multiple Lead Stub Acme

1" - 1 Multiple Lead Stub Acme

This 1” – 1 multiple lead stub acme machine screw is available in alloy steel with a corresponding aluminum bronze nut. Right-hand threads are available.

MACHINE SCREW SPECIFICATIONS RH
ALLOY STEEL SCREW PART NO. SS 100 R 100 A
THREAD FORM STUB ACME
SCREW DIAMETER (TURNS/INCH) 1-1
PITCH / LEAD 0.010IN./1.00 IN.
ROOT DIAMETER .930 IN.
SCREW WEIGHT (LB./FT.) 2.4
TORQUE TO RAISE 1 POUND 0.233 IN.- LB.
MAXIMUM SCREW LENGTH 12 FEET

Nut and Flange Specifications

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NUT SPECIFICATIONS RH
NUT PART NO. SN 100 R 100 B
NUT WITH FLANGE PART NO. SN 100 R 100
DYNAMIC LOAD CAPACITY (LBS.) 5,000
STATIC LOAD CAPACITY (LBS.) 16,000
EFFICIENCY 69.70%
MATERIAL BRONZE
NOMINAL DIAMETER "A" 1.50 IN.
NUT LENGTH "B" 1.50 IN.
THREAD LENGTH "C" 0.50 IN.
THREAD SIZE 1.375-16 UN
FLANGE PART NUMBER FL-1375
FLANGE DIAMETER "D" 2.75 IN.
FLANGE THICKNESS "E" 0.52 IN.
FLANGE HOLE DIAMETER "F" 0.266 IN.
NUMBER OF HOLES IN FLANGE "G" 4
FLANGE BOLT CIRCLE "H" 2.260 IN.
FLANGE MATERIAL BLACK OXIDE COATED STEEL

2D/3D Drawings

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Product Media

2D/3D DRAWINGS1"-1 DATA SHEET SB BEARING BLOCKS AND SCREW ENDS DB BEARING BLOCKS AND SCREW ENDS FB BEARING BLOCKS AND SCREW ENDS EFFECT OF CHANGE IN PARAMETERS SCREW & NUT CALCULATOR
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  • Alloy steel or stainless steel screw
  • Aluminum bronze nut
  • Steel flange with black oxide coating

Sample Part Number:

Click on the part number to reveal additional information about the screw design and shaft codes.

Model Number

Thread Form

A: Acme
S: Stub Acme

Component

A: Assembly
S: Screw - without ball nut or bearing mounts

Screw Diameter - Thread direction - TPI (English)

Dia/TPI Code
1/2 – 8 050 R 013 (Stub Acme)
5/8 – 8 * 063 R 013 (Stub Acme)
5/8 – 4 * 063 R 025 (Stub Acme)
5/8 – 2 063 R 050 (Stub Acme)
3/4 – 5 * 075 R 013
7/8 – 2 * 088 R 050
1 –10 100 R 010
1 – 4 * 100 R 025
1 – 2 100 R 050
1 – 1 100 R 100 (Stub Acme)
1 1/4 – 4 125 R 025
1 1/2 – 4 150 R 025
1 1/2 – 2 2/3 150 R 038
1 1/2 – 2 2/3 * 150 R 038 (Stub Acme)
1 1/2 – 2 150 R 050
2 – 4 200 R 025
2 – 2 * 200 R 050
2 1/4 – 4 * 225 R 025
2 1/4 – 2 * 225 R 050
2 1/2 – 4 250 R 025
2 1/2 – 2 * 250 R 050
3 3/8 – 1 1/2 338 R 067 (Stub Acme)
3 1/2 – 1 1/2 350 R 067
3 3/4 – 1 1/2 375 R 067
4 1/2 – 1 1/2 450 R 067
5 – 1 1/2 500 R 067
6 – 1 1/3 600 R 075

R – Right-hand – all thread diameters/leads are available with right hand threads
L – Left-hand *- Substitute an ”L” in the part number for left hand leads
Stub Acme screws offer a larger root diameter than their Acme counterparts
*Available in stainless steel

 

Screw Material

A: Alloy Steel
S: Stainless Steel

Note: not all threads or materials are available for all sizes

First End of Screw

(Flange or threaded end of nut always faces second end)

Bearing Mount Options Machining Options (choose one that corresponds to the bearing block)
SB - Simple Single* 1N – Threaded shaft only
DB - Simple Double 2K –  Thd Shaft w Kwy, 2L – Thd Shaft no Kwy, 2N – Threaded shaft only
FB - Fixed Double 3K –  Thd Shaft w Kwy, 3L – Thd Shaft no Kwy, 3N – Threaded shaft only
XX - No Bearing 4K –  Shaft w Keyway, 4L – Shaft no Keyway, 4N – Support only, XX – No Machining

(When selecting ”XX – No Bearing”, choose from mounting options 1K through 4N  or XX, above)
* All Simple Single bearing mounts are designed for radial loads only

Second End of Screw

(Flange or threaded end of nut always faces away from second end)

Bearing Mount Options Machining Options (choose one that corresponds to the bearing block)
SB - Simple Single* 1N – Threaded shaft only
DB - Simple Double 2K –  Thd Shaft w Kwy, 2L – Thd Shaft no Kwy, 2N – Threaded shaft only
FB - Fixed Double 3K –  Thd Shaft w Kwy, 3L – Thd Shaft no Kwy, 3N – Threaded shaft only
XX - No Bearing 4K –  Shaft w Keyway, 4L – Shaft no Keyway, 4N – Support only, XX – No Machining

(When selecting ”XX – No Bearing”, choose from mounting options 1K through 4N  or XX, above)
* All Simple Single bearing mounts are designed for radial loads only

Nut Properties

B - Bronze
X - Do Not Include Nut in Assembly

Other Options

F - Include Flange
X - Do Not Include a Flange

Screw Length 000.00"

Enter value in inches with decimal if needed
Note that available screw length varies among screw sizes.

SB Bearing Blocks

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Screw Number Bearing Mount No. A B C D E F G H I J K
AS100R010A SB-20 4.500 2.750 1.438 0.500 1.750 1.625 3.250 0.938 1.875 .469 (4x) .656 Thru
SS100R100A 1.000 C'Bore
AS125R025A 1.312 Deep

DB Bearing Blocks

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Screw Number Bearing Mount No. A B C D E F G H I J K L
AS100R010A DB-20 4.500 2.750 1.438 0.500 1.750 1.625 3.250 0.938 1.875 .469 (4x) .656 Thru N/A
SS100R100A 1.000 C'Bore
AS125R025A 1.312 Deep

FB Bearing Blocks

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Screw Number Bearing Mount No. A B C D E F G H I J K L
AS100R010A FB-20 4.500 2.750 1.438 1.625 5.015 0.937 3.250 N/A 2.125 2.750 .437 Thru .688 Thru
SS100R100A .687 C'Bore 1.000 C'Bore
AS125R025A #8 Taper Pin 1.625 Deep

SB Screw End Conditions

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Screw Number Bearing Mount No. o S1 A1 A2 A3 A4 A5 A6 o A7 A8 A9 A10 A11
AS100R010A SB-20 0.7877 1.070 0.570 0.63 0.190 0.590 1.305 1.75 .781-32 UNS W-04 N-04 6304
SS100R100A 0.7873 0.188
AS125R025A    

DB Screw End Conditions

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Screw Number Bearing Mount No. oS1 oS2 A1 A2 A3 A4 A5 A6 A7 A8 A9
AS100R010A DB-20 0.7877 0.625 4.00 2.88 2.378 0.590 0.040 .781-32 UNS W-04 N-04 3/16 x 5/8
SS100R100A 0.7873 0.624
AS125R025A    

FB Screw End Conditions

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Screw Number Bearing Mount No. oS1 oS2 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11
AS100R010A FB-20 0.7877 0.625 5.05 3.80 3.10 2.375 0.590 1.217 0.035 .781-32 UNS W-04 N-04 3/16 x 5/8
SS100R100A 0.7873 0.624
AS125R025A    
 
 
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