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Bronze Acme Nut 2 1/2"-3 RH

Inch Acme Nut with Optional Flange, Bronze, 2 1/2", 3 Turns Per Inch, RH, 1 Starts Read More
Product Specifications

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Product Specifications

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Specifications Diagram

Product Info

Part Number:
20253
Thread Direction:
RH
Type:
Bronze

Details

Lead [in]:
0.333
Starts:
1
Pitch [in]:
0.333
Turns Per Inch:
3
Lash (Maximum Axial) [in]:
0.013
Nominal Rod Diameter [in]:
2.500
Threads per Inch:
3
Thread Code:
253
Form:
2C

Dimensions

B [in]:
4.25
C [in]:
3.38
E [in]:
1.56
F (n) Dia. [in]:
(6) .656
F BCD [in]:
4.380
G [in]:
1.58
H [in]:
5.38
J [in]:
3.137-12

Forces and Torques

Torque to Raise 1 lb. [in-lb]:
0.212

Flange Part Numbers

Flange No-Lash Part Number:
73540
Flange Part Number:
FLG7574

Weight

Flange Weight [lb]:
9.88
Nut Weight [lb]:
5.91

Performance Specifications

Efficiency [%]:
25
Lead Accuracy +/- [in/in]:
0.0003
Dynamic Load Capacity [lb]:
31250
Static Load Capacity [lb]:
100000

More Details

Bronze Inch Acme

Special high tensile bronze is selected for our smooth running, anti-wedging bronze nuts.
  • Material: Nook Bronze
  • Tensile Yield: 50,000 psi
  • Tensile Ultimate: 65,000 psi
  • Hardness: HB75
  • Dynamic co-efficient of friction: 0.125 with Nook Lubricant