6300 Bearing: Reliable Deep Groove Ball Bearings for Industrial Demands
Factory-direct from Hebei YIDI – high-precision, chrome steel construction ready for motors, pumps, and heavy machinery. OEM customization available.
Established exporter to 50+ countries. Let's discuss your volume needs.
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Common Procurement Risks When Sourcing 6300 Bearings
Purchasing managers know the drill. You search for "bearing 6300," find a low quote from an unknown supplier, place the order, and then the headaches start. Dimensions off by a hair. Premature failure under load. Delays that throw your production schedule into chaos.
We've seen it too many times in our export dealings. Importers in the US and Europe chasing rock-bottom prices end up with bearings that don't meet ABEC tolerances or ISO 9001 standards. One client from Texas told us their motor assemblies seized after just 500 hours – traced back to inconsistent heat treatment in the races.
Risk number one: quality variance. Not all deep groove ball bearings labeled "6300" are equal. Cheap imports often skimp on chrome steel purity, leading to micro-cracks under vibration.
- Lead time surprises: 12 weeks instead of 4, killing your inventory turns.
- Packaging failures: Bearings arrive rusted from poor seaworthy prep.
- Certification gaps: No real RoHS or CE docs, just scans that don't hold up in audits.
- MOQ traps: Forced into buying 10,000 units when you need 1,000.
Operations folks get stuck retrofitting. Procurement teams eat the cost overruns. And engineers waste time reverse-engineering mismatches. We've shipped over 100,000 6300 units yearly without these issues – because we control the full production chain.
Switching suppliers mid-project? That's when costs double. Better to vet upfront. Our repeat buyers from automotive aftermarket stick with us for the consistency.
Our 6300 Bearing: Built for Reliability in Tough Conditions
The 6300 bearing – a workhorse deep groove ball bearing. Inner diameter 10mm, outer 35mm, width 17mm. Simple specs on paper, but getting the performance right takes real manufacturing chops.
At YIDI Motion, we produce these in our Hebei facility using GCr15 chrome steel, hardened to 58-62 HRC. Balls are precision-ground, separated by a stamped steel cage for high-speed stability. No stamped sheet metal here – we use turned retainers where it counts for OEM runs.
Why does this matter? In electric motors, your 6300 handles radial loads up to 7.65 kN dynamic, 4.6 kN static. We've tested units spinning at 20,000 RPM without cage wear. Pumps in wastewater plants run cooler, quieter. Compare that to generic imports that pit after 10,000 hours.
Customization is straightforward. Need ZZ shields for dust protection? 2RS rubber seals for oil baths? Open design for grease-packed housings? We handle it. Tolerances meet P0 standard, with P6 available on request. Vibration levels? V3 max, ensuring smooth operation in CNC spindles.
One thing buyers overlook: grease compatibility. We pack with lithium complex NLGI 2 – stable from -30°C to 150°C. No migration issues in vertical shafts. And for high-heat apps like conveyor dryers, polyurea grease options keep things turning.
Ready for Specs? Download our 6300 Bearing Catalog PDF – full dimensional drawings included.
Procurement directors appreciate the economics. Bulk pricing starts competitive, scales better for volumes over 5,000 pcs. No hidden tooling fees for ODM tweaks like slotting for snap rings.
Here's the operational edge: lower friction torque means energy savings in continuous duty fans. We've had US importers report 15-20% less drag versus competitors. Not hype – measured on their dynos.
Deep dive on materials. Chrome steel isn't just buzzword. We source from Baowu Steel, with sulfur under 0.01% for cleaner grain structure. Heat treat in vacuum furnaces – no decarb layer. That's why our 6300s outlast in fatigue testing.
Installation realities? Press-fit bores hold tight without fretting. Shafts from 10h6 fit perfect. Housing interference minimal. We've shipped millions without returns for fit issues.
Market shifts too. With supply chains tightening post-2020, factories like ours ramped German-imported grinders. Output up 40%, rejects down to 0.1%. Your 6300 arrives defect-free.
EEAT in action: 30% senior techs on staff. Japanese Okuma lathes. ISO 9001 audited yearly. Exports to Germany mean DIN standards baked in.
Technical Specifications: 6300 Bearing Breakdown
Exact data for your BOM. All measurements per ISO 15:2011.
| Parameter | Value | Notes |
|---|---|---|
| Dimensions | d=10mm, D=35mm, B=17mm | Standard single-row deep groove |
| Dynamic Load Cr | 7.65 kN | C3 clearance recommended |
| Static Load Cor | 4.60 kN | Max 0.02mm radial play |
| Speed Limit | 20,000 rpm (grease), 28,000 rpm (oil) | Grease lubricated |
| Weight | 0.064 kg | Per unit |
| Material | GCr15 Chrome Steel | 52100 equiv. |
| Cage | Stamped Steel or Brass | J or TN options |
bearing 6204rs bearing 6201 bearing 6309
Variants: 6300-2RS (sealed), 6300ZZ (shielded), 6300 C3 (loose clearance). Tolerands: IT5/5 for ID/OD.
Where 6300 Bearings Excel: Key Applications
Versatile. That's the word for the 6300. Small enough for household appliances, tough enough for industrial grinders.
Electric motors: Belt drives, fans. Handles misalignment better than angular contacts.
Pumps and compressors: Radial loads from impellers. Sealed versions keep lubricants in, water out.
Automotive: Wheel hubs, alternators. Vibration resistance shines on potholed roads.
- Conveyor systems – idlers under constant tension.
- CNC machines – spindle supports for light milling.
- Agricultural gear – harvester shafts in dust.
- HVAC blowers – high-RPM, low-noise priority.
Warning: Avoid thrust-heavy apps. Pair with 6200 series for duplex setups. Maintenance? Relube every 4,000 hours or yearly.
YIDI Motion Factory: Your OEM Partner Since 2020
Hebei YIDI Import & Export Trading Co., Ltd. – 100 employees, 30% senior techs. Ball screws, linear guides, bearings under one roof.
Equipment: German grinders, Japanese CNCs. Production lines hit 50,000 6300 pcs/month.
OEM/ODM focus. Custom cages, logos stamped. One-stop for linear motion kits.
Exports: USA, Germany, Japan. 50+ countries. Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China.
Certifications: ISO 9001, RoHS compliant. CE for EU. Full test lab onsite – salt spray, life cycle.
- Lead time: 3-5 weeks
- MOQ: 500 pcs
- Samples: Free for qualified buyers
Logistics: Getting Your 6300 Bearings to You Fast
Sea freight optimized. 20' container holds 1.2 million pcs – VGM certified.
Air for urgents: DHL/FedEx, 3-5 days to LAX.
Incoterms: FOB Tianjin standard. CIF quotes on request. No duties surprises – HS code 8482.10.2020.
Packaging: Anti-rust paper, corrugated boxes, plywood pallets. 1-year warranty.
Frequently Asked Questions from Buyers
What's the difference between 6300 and 6300-2RS?
Open vs. rubber sealed. 2RS for contaminated environments, adds slight drag but extends life.
Can you do small trial orders?
Yes, 500 pcs min. Free samples for 10 pcs if you cover express.
Lead time for 10,000 pcs?
4 weeks. Rush 2 weeks +15% premium.
Do you match SKF or NSK pricing?
Our quality holds up. Pricing 40-60% lower for equivalent specs.
OEM marking possible?
Laser etch your logo. No extra tooling under 10k pcs.
What Buyers Say About Our 6300 Bearings
Mike R., Procurement Manager, Texas Motor Works (USA): "Switched from local supplier. YIDI's 6300-2RS run 30% longer in our pump tests. Fast samples sealed the deal. Shipping spot on."
Anna K., Operations Dir., EuroMach GmbH (Germany): "C3 clearance precise. No vibration issues in spindles. OEM batch with our markings arrived perfect. Highly recommend for volume."
John L., Supply Chain Lead, CanAgri Ltd (Canada): "Dust-proof seals held in harvesters. Better value than FAG. Lead time beat expectations – reordered 20k."
Sarah T., Engineer, HVAC Pro Inc (USA): "Low noise at 15k RPM. Grease stable. Easy fit in blower housings. Samples were identical to production."
Secure Your Supply Chain Today
Talk to our engineers. Get factory pricing, samples, or a custom quote for 6300 bearings.
YIDI Motion – Innovation, Quality, Reliability. Exported worldwide since 2020.
Written by: Li Wei, Export Director | YIDI Motion
With 15+ years in bearing export and linear motion manufacturing. Last updated: October 2026
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
