Sector Gear / Recirculating Ball Nut
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This page explains how Recirculating Ball Nut is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A precision mechanical component that converts rotary motion into linear motion with minimal friction using recirculating ball bearings.
Technical details and manufacturing context for Recirculating Ball Nut
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Nominal Diameter | 16–80 mm | Standard sizes; custom diameters available.ISO 3408 |
| Lead | 5–40 mm | Determines linear travel per revolution.ISO 3408 |
| Dynamic Load Rating | 8–120 kN | Basis for fatigue life calculation.ISO 3408 |
| Static Load Rating | 20–300 kN | Maximum load without permanent deformation.ISO 3408 |
| Travel Accuracy Grade | C3–C7 | C3 for high precision, C7 for general use.ISO 3408-3 |
| Backlash | ≤0.05 mm | For preloaded nuts, backlash is zero.ISO 3408 |
| Maximum Rotational Speed | 3000–6000 rpm | Limited by critical speed of screw. |
| Operating Temperature | -20–80 °C | For standard steel; high-temp versions available. |
| Lubrication | Grease or oil | Grease for most applications; oil for high speed. |
| Material | GCr15 or 42CrMo4 | Bearing steel for balls; alloy steel for nut body.GB/T 18254, EN 10083 |
| Surface Hardness | 58–62 HRC | Ensures wear resistance.ISO 18265 |
| Weight | 0.5–15 kg | Depends on size and flange design. |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Max axial load: 50-500 kN depending on size, Max radial load: 10-20% of axial capacity |
| other spec: | Speed: Up to 100 mm/s linear velocity, Backlash: 0.01-0.05 mm (preloaded), Life expectancy: 10,000-50,000 km travel distance |
| temperature: | -20°C to +120°C (standard), up to +200°C with special seals/lubrication |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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It converts rotary motion of a ball screw into linear motion with minimal friction, using recirculating ball bearings.
Bearing steel (e.g., GCr15/52100), case-hardened steel, and stainless steel are listed in the directory.
ISO 3408 series for dimensions and load ratings; ISO 3408-3 for accuracy grades. Verify compliance with the manufacturer.
Consider nominal diameter, lead, load ratings, accuracy grade, and operating conditions. Confirm values with the supplier.
This component is essential for the following industrial systems and equipment:
Commonly used trade names and technical identifiers for Recirculating Ball Nut.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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