Welcome to the official website of Linqing Jusheng Precision Bearing Co., Ltd.!
PRODUCT
Auto parts
Auto parts
Category：
Auto parts
Key words：
Auto parts
Phone：
Auto parts
| Part Category | Part Name | Recommended Materials | Specification/Model (National Standard/Industry Standard/Example) | Core Dimensional Parameters (Example, Unit: mm) | Key Performance Parameters | Applicable Scenarios | Remarks |
| Transmission System Components | Automotive Half Shaft | - Alloy structural steel (40CrNiMoA, heavy load) - Low-carbon alloy steel (20CrMnTi, light load) - Stainless steel( corrosion resistance, special vehicles) | QC/T 29082-2011 (Automotive half shafts) Examples: φ35 half shaft (passenger vehicles), φ50 half shaft (commercial vehicles) | Shaft diameter (d): 35 (h6), 50 (h6) Total length (L): 800-1200 (passenger vehicles), 1200-1800 (commercial vehicles) Spline specification: 6×23×26 (number of teeth × major diameter × minor diameter), 8×32×36 Flange diameter (D): 100 (passenger vehicles), 150 (commercial vehicles) | Tensile strength: ≥1000MPa (40CrNiMoA), ≥800MPa (20CrMnTi) Torsional stiffness: ≥2000N·m/rad Fatigue life: ≥10⁶ cycles (rated torque) Temperature resistance: -40~150℃ | Driveshafts for fuel/hybrid/pure electric vehicles, adapted to FWD/4WD for passenger vehicles, RWD/4WD for commercial vehicles | Interference fit with differential (H7/u6); needs dynamic balancing (G6.3 grade); surface galvanizing or plastic spraying for rust prevention |
| Brake System Components | Brake Disc | - Gray cast iron (HT250, general purpose) - Alloy cast iron (HT300, heavy load) - Ceramic composite material (C/SiC, high performance) | GB/T 5763-2018 (Automotive brake discs) Examples: φ280 (passenger vehicles), φ350 (commercial vehicles) | Outer diameter (D): 280 (h9), 350 (h9) Inner diameter (d): 160 (H10), 220 (H10) Thickness (h): 22-28 (passenger vehicles), 30-40 (commercial vehicles) Mounting hole center distance: 114.3 (passenger vehicles), 160 (commercial vehicles) Number of ventilation slots: 24-36 (ventilated discs) | Hardness: HB180-220 (HT250), HB200-240 (HT300) Coefficient of friction stability: 0.35-0.45 (100-300℃) Heat resistance: Operating temperature -30~600℃, high-temperature deformation ≤0.1mm Wear rate: ≤0.05mm/1000km (HT250) | Front/rear brakes for passenger vehicles, front brakes for commercial vehicles, adapted to disc brake systems | Mounting flatness ≤0.05mm; wear limit is 70% of standard thickness; ceramic brake discs are 50% lighter than cast iron, suitable for high-end performance vehicles |
| Brake System Components | Brake Pad | - Semi-metallic base (copper fiber + iron powder, general purpose) - Low metallic base (≤15% metal, quiet) - Ceramic base (metal-free, high-end) | GB/T 11749-2018 (Automotive brake linings) Examples: 200×80 (passenger vehicles), 300×120 (commercial vehicles) | Length (L): 200, 300 Width (W): 80, 120 Thickness (H): 12-18 (passenger vehicles), 18-25 (commercial vehicles) Backing plate thickness: 3-5 (passenger vehicles), 5-8 (commercial vehicles) Locating hole diameter: 8, 12 | Coefficient of friction: 0.3-0.45 (room temperature), ≥0.25 (350℃) Heat fade resistance: Coefficient of friction retention ≥80% at 300℃ Impact strength: ≥5kJ/m² Temperature resistance: -40~600℃ | Used with brake discs, adapted to family passenger vehicles and commercial freight vehicles | Semi-metallic brake pads have good wear resistance but are prone to noise; ceramic-based pads are dust-free and quiet, suitable for high-end passenger vehicles; regular thickness inspection is required (minimum thickness ≥3mm) |
| Suspension System Components | Shock Absorber Piston Rod | - Carburized steel (20CrMnTi, general purpose) - Stainless steel (440C, corrosion resistance) - Chromed alloy steel (45# steel + hard chrome, low cost) | QC/T 491-2013 (Automotive shock absorbers) Examples: φ22 (passenger vehicles), φ30 (commercial vehicles) | Rod diameter (d): 22 (f7), 30 (f7) Total length (L): 400-600 (passenger vehicles), 600-900 (commercial vehicles) Chromium plating thickness: 0.05-0.1mm Thread specification: M16×1.5, M22×1.5 Seal groove diameter: 30, 40 | Surface hardness: HRC58-62 (20CrMnTi carburized), HRC55-60 (440C) Surface roughness: Ra≤0.1μm Straightness: ≤0.05mm/m Corrosion resistance: Neutral salt spray test ≥72h without rust | Front/rear suspension for passenger vehicles, suspension systems for commercial vehicles, adapted to MacPherson/multi-link suspensions | Clearance with shock absorber cylinder 0.05-0.1mm; chrome plating must be free of scratches and peeling; special sealant must be applied during installation |
| Suspension System Components | Control Arm | - Low-carbon steel (Q355B, stamped, passenger vehicles) - Alloy structural steel (40Cr, forged, commercial vehicles) - Aluminum alloy (6061-T6, lightweight, high-end passenger vehicles) | QC/T 1027-2016 (Automotive control arms) Examples: L350 (passenger vehicles), L500 (commercial vehicles) | Total length (L): 350, 500 Bushing hole diameter (d): 20 (H7), 30 (H7) Ball stud hole diameter: 14 (H8), 20 (H8) Wall thickness (t): 3-5 (passenger vehicles), 8-12 (commercial vehicles) Mounting hole center distance: 280, 420 | Tensile strength: ≥510MPa (Q355B), ≥980MPa (40Cr) Bending stiffness: ≥10⁵N/m (passenger vehicles), ≥2×10⁵N/m (commercial vehicles) Fatigue resistance: ≥2×10⁵ cycles (rated load) Temperature resistance: -40~120℃ | Multi-link suspensions for passenger vehicles, non-independent suspensions for commercial vehicles, used to connect wheels and vehicle body | Stamped control arms require electrophoretic rust prevention; forged control arms require stress relief treatment; ball studs need regular lubrication (every 20,000 km) |
| Engine Auxiliary Components | Automotive Water Pump Impeller | - Cast iron (HT200, general fuel vehicles) - Engineering plastic (PA6+30% glass fiber, lightweight) - Aluminum alloy (ADC12, die-cast, hybrid/pure electric) | QC/T 323-2015 (Automotive water pumps) Examples: φ80 (small displacement), φ120 (large displacement) | Impeller diameter (D): 80, 120 Number of blades: 6-8 pieces Shaft hole diameter (d): 15 (H7), 20 (H7) Thickness (h): 25-35, 35-50 Water inlet diameter: 30, 45 | Material density: 7.2g/cm³ (HT200), 1.45g/cm³ (PA6 glass fiber) Temperature resistance: ≤120℃ (plastic), ≤150℃ (cast iron/aluminum alloy) Water resistance loss: ≤5kPa (rated flow) Service life: ≥80,000 km (fuel vehicles) | Engine cooling systems for fuel/hybrid vehicles, battery cooling systems for pure electric vehicles | Plastic impellers should avoid high temperatures (≥120℃ prone to deformation); cast iron impellers require anti-corrosion treatment; interference fit between shaft hole and water pump shaft during installation (H7/k6) |
| Engine Auxiliary Components | Generator Pulley | - Cast iron (HT200, general purpose) - Aluminum alloy (6061-T6, lightweight) - Powder metallurgy (Fe-Cu alloy, high precision) | GB/T 13575.1-2008 (Classical and narrow V-belts - Part 1:Reference width system) Examples: SPA120 (passenger vehicles), SPB180 (commercial vehicles) | Groove type: SPA (passenger vehicles), SPB (commercial vehicles) Outer diameter (D): 120 (h9), 180 (h9) Width (B): 22, 32 Shaft hole diameter (d): 25 (H7), 35 (H7) Keyway specification: 6×10, 10×16 | Hardness: HB180-220 (HT200), HB140-180 (6061-T6) Coaxiality: ≤0.02mm Maximum rotation speed: ≤8000r/min (passenger vehicles), ≤5000r/min (commercial vehicles) Fatigue resistance: ≥10⁷ cycles (rated speed) | Generator transmission for fuel/hybrid vehicles, air conditioning compressor transmission | Transition fit with generator shaft (H7/h6); regular inspection of pulley groove wear is required (minimum depth ≥50% of original depth); aluminum alloy pulleys are suitable for weight reduction in hybrid/pure electric vehicles |
Related Products
Message
