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Specifications & Manufacturing Standards
Quality system
ISO 9001:2015 + IATF 16949:2016 certified production. Every batch undergoes 100% dimensional inspection, radial play check, and ISO 15242 noise testing. Sealed retention samples and full inspection reports archived for 5 years.
Material
GCr15 / GCr15SiMn bearing steel, vacuum-degassed. Heat-treated to HRC 60–65. Cage materials: pressed steel or polyamide PA66 per application. Inner / outer rings precision-ground to P6 / P5 tolerance.
Sealing & lubrication
Double rubber seal (2RS) standard. Pre-greased with high-temperature lithium complex grease (–40°C to +160°C operating range). Optional NBR or fluororubber (FKM) seals for harsh environments.
Packaging
Neutral kraft box standard · Custom OEM-branded packaging from 200 pcs/SKU · Anti-rust VCI paper inside · Container-ready palletization · EAN-13 / UPC-A barcode printing on request.
Warranty
12-month or 30,000 km warranty against manufacturing defects. Free replacement on next shipment for verified defect cases. No return-freight cost on customer side.
Performance
Tested life ≥ 80,000 km under normal load. Operating temperature –40°C to +160°C peak. Speed rating up to 5,500 rpm continuous. Radial play P0/P6 standard, P5 on request.
Common Questions about DAC30620038-COB-1
Is DAC30620038-COB-1 compatible with my vehicle?
This bearing fits Chevrolet Cobalt 1st gen 2004-2010 (USA). Always cross-check with your original part number — common references include 15869901 · NSK 30BWD08 · NTN AU0521. If you have a specific VIN or chassis code we can verify exact fitment within hours.
What is the minimum order for DAC30620038-COB-1?
Standard MOQ is 50 pieces. Sample orders of 1–3 pcs available at unit price plus express freight (DHL/FedEx, 5–7 days). Tier discounts apply at 200 / 500 / 1,000 / 5,000 pcs — up to 18% off list price for container-load orders.
Lead time and shipping for DAC30620038-COB-1?
In-stock items ship within 3–5 business days from our Linqing facility. Custom or high-volume orders require 15–20 days production. FOB Qingdao or Tianjin · Sea freight 25–35 days to Africa, Middle East, or Americas · Air freight 5–7 days for urgent orders · DDP option available for door-to-door delivery in major MENA / SSA markets.
Can I get OEM-branded packaging for DAC30620038-COB-1?
Yes. We provide white-label / private label packaging from 200 pcs/SKU. Your logo, your box design, your barcode. Setup fee on first run, waived on repeat orders. Standard packaging is neutral kraft box with anti-rust VCI paper — distributor-friendly with no third-party brand confusion.
How do I confirm the quality of DAC30620038-COB-1 before bulk order?
We recommend a sample order of 5–10 pcs first. We can also provide: 1) ISO 9001 / IATF 16949 certificate scans, 2) batch inspection reports with dimensional data, 3) third-party SGS / BV inspection at our facility (customer pays inspector). Customer factory visits welcome with 10 days notice — Qingdao airport pickup arranged.
DAC30620038-COB-1 shares the same physical dimensions (30x62x38 mm) as the parts below — these are alternate brand catalog numbers and OEM references for the same bearing fitment. Any of them is a valid match for your application.
DAC30620038— Front Hub Bearing — Suzuki Swift / Alto 2005–2017
DAC30620038-500L— Fiat 500L 199 2012-2024 bearing — CHKZ DAC30620038-500L
DAC30620038-A1— Audi A1 8X/GB 2010-2024 bearing — CHKZ DAC30620038-A1
We collect only the information you submit through our quotation form: company name, contact name, email, country, parts list, and how you found us. This data is used solely to prepare and send wholesale quotations and to follow up on your inquiry. We do not sell, rent, or share this information with third parties. EU and UK buyers may request access, correction, or deletion of their data at any time by emailing sales@chkzbearing.com. Form submissions are processed via Formspree; please refer to Formspree's own privacy notice for details on transit and storage.
All product images on this site are illustrative; actual specifications, dimensions, and packaging may vary by production batch. Prices and lead times provided in any quotation are valid for 14 days unless otherwise stated, and are non-binding until both parties sign a proforma invoice. Linqing CHKZ Bearing Co., Ltd. (trading as "CHKZ Bearings") reserves the right to update product specifications and minimum order quantities without prior notice. Any disputes arising from transactions with Linqing CHKZ Bearing Co., Ltd. are governed by the laws of the People's Republic of China, with jurisdiction in Linqing, Shandong Province.
Vehicle representative photographs in the Applications section are sourced from Wikimedia Commons under the Creative Commons Attribution-ShareAlike 4.0 International license (CC BY-SA 4.0). Attributions: Toyota Corolla Cross — Elise240SX; Volkswagen Golf — Vauxford; Hyundai Tucson — LuvsMG481; Ford F-150 — DestinationFearFan; Mercedes-Benz Sprinter — Vauxford; Toyota Land Cruiser — Johannes Maximilian; Toyota Hilux — Dominic Nelson. Vehicle images are used for illustrative platform reference only and do not imply endorsement, partnership, or OEM authorization with any vehicle manufacturer. CHKZ Bearings products are aftermarket replacement parts. All factory, production, and packaging photographs on this site are property of Linqing CHKZ Bearing Co., Ltd.
