6305-2RS Bearing: Reliable Deep Groove Sealed Bearings for Industrial Applications
6305-2RS Bearing Wholesale Supplier | OEM Deep Groove Ball Bearings 25x62x17mm - YIDI Motion
Meta Description: Source high-quality 6305 2RS bearings direct from Hebei YIDI factory. Sealed deep groove design for motors, pumps, and machinery. Competitive pricing, OEM options, fast global shipping. Full specs and buyer guide inside.
Working in procurement, you know how a single bearing failure can halt production lines or delay shipments. That's where the 6305-2RS bearing steps in. We've supplied thousands to operations across the US, Europe, and beyond from our Hebei base. This isn't just another part—it's a workhorse for electric motors, conveyor systems, and pumps handling everyday loads.
The 6305 2RS bearing measures 25mm inner diameter, 62mm outer, and 17mm wide. Those rubber seals on both sides keep grease in and contaminants out, extending service life in dusty shops or humid environments. Over the years, we've seen importers switch to us after dealing with inconsistent quality from other sources. Lead times? Typically 7-15 days for stock, faster for bulk OEM runs.
Let me walk you through what makes this bearing a smart pick. No fluff—just operational details from handling orders for purchasing managers like you. We've got the specs, real-world applications, and even logistics tips to get these to your door without headaches.
Table of Contents
- Procurement Risks with 6305-2RS Bearings
- Why Our 6305-2RS Bearing Solves Them
- YIDI Factory Capabilities
- Key Applications and Load Handling
- Detailed Technical Specifications
- Installation and Maintenance Tips
- Shipping and Logistics from China
- What Buyers Are Saying
- Frequently Asked Questions
- Get Your Quote Today
Common Procurement Risks When Sourcing 6305-2RS Bearings
I've talked to dozens of ops managers who got burned by cheap imports. Seals fail prematurely. Dimensions off by microns, causing vibration issues. Or worse, counterfeit grease that breaks down under heat. In one case, a Midwest distributor lost a major contract because their conveyor bearings seized after just three months.
Another headache: inconsistent tolerances. The 6305 2RS needs to hit P0 or P6 precision for most apps. Skimp here, and you're looking at higher friction, shorter life. Lead times drag on, too—some suppliers quote 4 weeks but deliver in 10. By then, your production is backed up.
Quality certifications? Often faked. We've audited suppliers who claim ISO 9001 but can't produce records. For US buyers, REACH and RoHS compliance matters, especially if heading into automotive or food processing equipment.
- Seal degradation in high-dust environments
- Load rating mismatches leading to early fatigue
- Unreliable suppliers with poor packing, causing shipping damage
- Missing traceability for OEM accountability
Short story: Risk adds up. A few cents saved per unit turns into downtime costs tenfold.
Our 6305-2RS Bearing: Built for Reliability
At YIDI Motion, we machine these in-house with GCr15 chrome steel, heat-treated to 58-62 HRC. Seals are nitrile rubber, good for -30°C to 120°C. Grease? High-temp lithium complex, pre-packed for 10,000+ hours at moderate speeds.
What sets us apart? Tolerances held to ABEC-1 standards, with radial clearance C3 available on request. We've run lifecycle tests showing 20-30% longer run times versus basic imports. Not hype—contractors tell us they swap less often.
For OEMs, we customize cages—steel or nylon—for specific vibration profiles. Bulk orders get vibration-sorted lots, reducing noise in fan motors.
Quick Buyer Tip: Always match your shaft tolerance to h6 for press fits. We've seen IT7 cause binding issues.
Competitive edge: Pricing starts at $1.20/unit for 10k+ MOQs. Samples? Free for qualified buyers.
Inside YIDI's Manufacturing Setup
Established in 2020, our Hebei facility runs 100 staff, 30% senior techs. Imported grinders from Germany, Japan—DMG Mori and Okuma lines. That means flatness under 2 microns on raceways.
We handle full vertical integration: steel forging to final packing. Annual output hits 5 million bearings, exported to 50+ countries. US clients love our 20ft container loads—up to 150k units per, palletized to prevent damage.
Certifications: ISO 9001:2015, RoHS, REACH. Traceability via QR codes on every box, linking to batch tests.
One observation: Many factories cut corners on superfinishing. We don't. Smoother surfaces mean less heat buildup in high-RPM apps like spindles.
Ready for OEM? Discuss custom specs with our engineer.
Real-World Applications for 6305-2RS Bearings
Electric motors top the list—washing machines, HVAC fans, power tools. Handles 11,000 rpm greased, bidirectional loads up to 20.6 kN dynamic.
Pumps see heavy use: submersible, centrifugal. Seals protect against water splash. Automotive wheels, too, though some upgrade to 6305 ZZ for metal shields.
Conveyors in warehouses. One client retrofitted 500 units; downtime dropped noticeably. Ag equipment—tractors, harvesters—where dust is killer.
Table fans, grinders, even bike hubs. Versatile size fits tight spaces without sacrificing strength.
- Motors & Generators: Quiet operation, long grease life
- Pumps & Compressors: Seal integrity under pressure
- Conveyors: Radial loads from belts
- Ag & Automotive: Dust/moisture resistance
Technical Specifications Table
| Parameter | Value |
|---|---|
| Type | Deep Groove Ball Bearing, Double Rubber Seals (2RS) |
| Dimensions | d: 25mm, D: 62mm, B: 17mm |
| Dynamic Load (Cr) | 20.6 kN |
| Static Load (Cor) | 11.2 kN |
| Max Speed (Grease) | 11,000 rpm |
| Material | GCr15 Chrome Steel / Nitrile Seals |
| Clearance | CN / C3 available |
| Weight | 0.226 kg |
6203 2rs bearing 6204 2rs bearing 6205 2rs bearing
Sources: In-house testing aligns with SKF/NSK equivalents. Custom options like P5 precision on request.
Installation and Maintenance Insights
Heat the bearing to 80°C for shrink fits—never exceed 100°C. Use induction heaters, not torches. Press mounting? Arbor tool only, never hammer the outer ring.
Lube life: 2-5 years typical in motors. Monitor for grease purge at seals. If speeds top 10k rpm, consider ZZ metal shields.

Warning: Misalignment over 0.1mm kills it fast. Align shafts properly.
Maintenance? Vibration analysis every 6 months. Replace if noise spikes.
Pro tip: Store horizontally, away from magnets. We've repacked client returns ruined by improper storage.
Global Shipping and Procurement Logistics
From Shijiazhuang to US ports: 20-30 days sea, 5-7 air. FOB Xingang, CIF options. 1x20' holds 150k units.
Packing: Inner boxes, master cartons on pallets. Anti-rust paper standard. Duties? HS 8482.10, check your tariff.
Payment: T/T 30/70, LC for big orders. Samples ship DHL, $50 freight collected.
Feedback from Real Buyers
Mark T., Procurement Manager, Ohio USA: "Switched to YIDI's 6305 2RS for our pump line. Seals hold up better than previous supplier. Delivery was spot on, pricing beat quotes by 15%."
Carlos R., Ops Director, Texas: "Bulk order of 20k arrived perfect. No DOA. Tech support helped spec C3 clearance. Will reorder."
Sarah L., Importer, California: "OEM run for motors. Quality matches SKF at half cost. Fast samples sealed the deal."
John K., Engineer, Canada: "Used in conveyors. Low noise, good load handling. Logistics smooth despite holidays."
Buyer FAQs on 6305-2RS Bearings
Q: What's the difference between 6305 2RS and 6305 ZZ?
A: 2RS has rubber seals (contact, lower speed but better dirt exclusion). ZZ metal shields (non-contact, higher speed).
Q: Can you do small orders?
A: MOQ 100 pcs stock, 1k custom. Discounts scale up.
Q: Lead time for 10k units?
A: 10-15 days production + shipping.
Q: Are they RoHS compliant?
A: Yes, full certs available.
Q: Free samples?
A: Yes, for serious buyers—cover freight.
Ready to Source Your 6305-2RS Bearings?
Contact us for factory-direct pricing, samples, or OEM quotes.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD.
YIDI Motion | Phone: +86 18134111662
Email: adam@yidimotion.com
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
Or chat with our export team now.
Written by Adam Li, Export Director at YIDI Motion.
With 12+ years in bearing export, specializing in deep groove solutions for global B2B.


