4340 Precision Balanced Forged Crankshaft for Motorcycle and High-Speed Engine Applications

• Customization: Available
• Application: Aerospace Industry, Agricultural Equipment, Automotive Industry, Construction Industry, Marine Industry, Medical Industry, Robotics Industry
• Certification: CE, EPA, GS, ISO9001, RoHS
• Model NO.: 0133550
• Corrosion Resistance: High Corrosion Resistance
• Journal Diameter Dimensional Accuracy: IT01-IT5
• Journal Relative Position Accuracy: 0.001-0.005mm
• Journal Surface Roughness: 0.63-0.16μm
• Shaft Type: Crankshaft
• Strength: High Strength
• Surface Finish: Anodized
• Tolerance: Precision Tolerance
• Applied Area: Home Application, Machinery, Auto, Car Wheel
• Process: Forging/Casting – Normalizing & Tempering ..
• Machining: Rough Machining or Finish Machining
• Transport Package: Sea Worthy Wooden Case, Iron Pallet or Customized
• Specification: all sizes
• Trademark: BPS
• Origin: China
• Production Capacity: 10000 PCS/Month
• Package Size: 500.00cm * 500.00cm * 100.00cm
• Package Gross Weight: 100.000kg

Product Description

Product Description

Product Overview

Our crankshaft is a critical engine component designed to convert linear piston motion into smooth rotational power. Manufactured with advanced CNC machining and heat treatment, it ensures high strength, wear resistance, and long service life, suitable for automotive, marine, and industrial engines.

Specification

Applications

Key Features

Key Features

• Automotive engines (gasoline/diesel)
• Marine propulsion systems
• Agricultural & construction equipment
• Power generator sets

Strict QC – 100% inspected for dimensional accuracy (tolerance: ±0.01mm) and crack detection (magnetic particle testing).

Wide Compatibility – Customizable for cars, trucks, generators, and heavy machinery (OEM/ODM supported)..

Packing & Delivery

Product Name	High-Performance Forged Crankshaft
Process	Precision Forging + CNC Machining + Heat Treatment
Hardness	Surface: HRC 50-55 (Induction Hardened) / Core: HRC 25-30
Tolerance	±0.01mm (Grinding Precision)
Balancing Standard	ISO 1940-1 G6.3 Class (Low Vibration)
Surface Treatment	Phosphating / Nitriding / Chrome Plating (Optional)
Testing	100% Dimensional Check + Magnetic Particle Inspection (Crack Detection)
Applications	Automotive, Marine, Diesel Generators, Heavy Machinery
MOQ	1 Piece (Sample Available) / Bulk Order Discounts
Lead Time	15-30 Days (Custom Orders: Negotiable)
Certifications	ISO 9001, IATF 16949, CE, RoHS
Packaging	Anti-Rust Oil + Wooden Case (Export Standard)

Custom Packaging Options

Anti-Corrosion Protection

Palletized Loading: Stackable on EUR/ISO standard pallets (1200×800mm or 1200×1000mm).
 Single Piece Carton: For small crankshafts (corrugated cardboard box with foam inserts).
 Bulk Container: Optimized for 20'/40' HQ containers (maximized loading volume).

Each crankshaft is coated with anti-rust oil (or VCI paper) to prevent oxidation during transit.
Optional: Vacuum-sealed plastic film for long-term storage or humid climates.

After Sales Service

Quality Assurance

12-24 Months Warranty – Covers material defects and manufacturing issues.
Lifetime Technical Support – Free consultation on installation and maintenance.

Service Commitments

Free Replacement – Defective products confirmed within warranty period will be replaced at no cost (excluding misuse or improper installation).
Spare Parts Supply – Long-term availability of matching components (bearings, seals, etc.).

On-Site Support – Optional technician dispatch for bulk orders or critical projects (cost negotiable).

Issue Resolution Process

Report – Submit photos/videos of the issue via email/WhatsApp within 7 days of receipt.
Analysis – Our engineers provide feedback within 24 working hours.
Solution – Replacement, refund, or repair based on inspection results.

Company Profile

Company Overview

Established in 2009, BPS is a professional manufacturer specializing in high-quality forgings for industrial applications. We supply a wide range of precision forgings, including forged rings, shafts, cylinders, discs, and standard/non-standard flanges, crafted from carbon steel, stainless steel, duplex steel, and alloy steel. Our products are trusted by Fortune 500 companies worldwide, reflecting our commitment to excellence.

Factory Size: 8,000 square meters facility with 5 dedicated workshops (free-forging, ring rolling, machining, heat treatment, and painting).
Annual Capacity: 8,000 tons of forgings, supported by advanced machinery.
Key Equipment:

4,500T hydraulic press
CNC lathes & vertical lathes
Ring rolling machines
Heat treatment furnaces
Deep-hole drilling/boring machines

FAQ

Frequently Asked Questions

Q: How do you ensure product quality?
A: We implement full-process ISO 9001 quality control with material spectrometry, UT testing, and third-party inspection reports.
Q: What certifications do you hold?
A: We're certified with PED, AD2000-W0, and TUV approvals, complying with EU pressure equipment directives.
Q: Can you produce custom forgings?
A: We provide complete ODM services from material selection to heat treatment based on customer drawings.
Q: What is your lead time?
A: Standard products ship in 15-30 days, while complex items require up to 45 days (expedited options available).
Q: How do you package products?
A: We use rust-proof oil treatment and ISPM15-compliant wooden crates for export shipments.