Steering Gearbox
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This page explains how Sector Gear / Recirculating Ball Nut is classified within Motor Vehicle Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A steering gearbox component that converts rotational steering input into linear motion to turn the vehicle's wheels.
Technical details and manufacturing context for Sector Gear / Recirculating Ball Nut
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Module | 2.5–4 mm | Determines tooth size and strengthISO 53 |
| Number of Teeth | 12–20 | Affects gear ratio and steering feel |
| Pressure Angle | 20 ° | Standard for involute gearsISO 53 |
| Helix Angle | 25–35 ° | Affects smoothness and axial load |
| Tooth Hardness | 58–62 HRC | Ensures wear resistanceISO 6336 |
| Core Hardness | 30–40 HRC | Balances toughness and strengthISO 6336 |
| Case Depth | 0.8–1.2 mm | Critical for load capacityISO 6336 |
| Tooth Profile Tolerance | DIN 6 | Higher grade means smoother operationDIN 3962 |
| Tooth Runout | 0.02–0.05 mm | Affects noise and vibrationDIN 3962 |
| Surface Roughness | Ra 0.4–0.8 µm | Lower is better for fatigue lifeISO 1302 |
| Operating Temperature | -40–85 °C | Extreme temperatures affect lubrication |
| Weight | 0.5–2.0 kg | Affects overall steering system weight |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Sector Gear / Recirculating Ball Nut.
This component is essential for the following industrial systems and equipment:
| pressure: | Up to 20 MPa (200 bar) continuous, 25 MPa peak |
| other spec: | Max axial load: 50 kN, Max rotational speed: 3000 RPM, Backlash: <0.1 mm |
| temperature: | -40°C to 120°C (operational), -50°C to 150°C (storage) |
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.
Manufacturer profiles associated with Sector Gear / Recirculating Ball Nut.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
It converts rotational motion from the steering shaft into linear motion to turn the vehicle's wheels, acting as a key interface in the steering gearbox.
Alloy steel, case-hardened steel, and chrome steel for the ball bearings are typical materials, as listed in the directory.
Relevant standards include ISO 53 for module and pressure angle, ISO 6336 for hardness and case depth, DIN 3962 for tooth profile tolerance and runout, and ISO 1302 for surface roughness. These are reference standards; verify compliance with the manufacturer.
Always consult the legal manufacturer or supplier for model-specific values, as the directory provides only reference ranges that must be confirmed for your application.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.
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