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Bronze Trapezoidal Nut 20903

Trapezoidal Lead Nut, Bronze, Tr 20 x 4, RH Read More
Product Specifications

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Product Specifications

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Specifications Diagram

Product Info

Part Number:
20903
Thread Direction:
RH
Type:
Bronze

Details

Diameter:
20
Lead [mm]:
4
Starts:
1
Pitch [mm]:
4
Lash (Maximum Axial in) [mm]:
0.24
Nominal Rod Diameter:
20
Thread Code:
903

Dimensions

B [mm]:
32.0
C [mm]:
34.0
E [mm]:
13.00
F (n) Dia. [mm]:
(4) 7.00
F BCD [mm]:
60.00
G [mm]:
14.0
H [mm]:
75.0
J [mm]:
M30x1.5

Forces and Torques

Torque to Raise 1 kN [Nm]:
1.818

Flange Part Numbers

Flange Part Number:
72003

Weight

Flange Weight [kg]:
0.39
Nut Weight [g]:
173

Performance Specifications

Efficiency [%]:
35
Lead Accuracy +/- [μm/25mm]:
6.25
Dynamic Load Capacity [N]:
13790
Static Load Capacity [N]:
44128

More Details

Bronze Trapezodial Nut

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