6201 Bearing Size: Precision Specs for Reliable Industrial Performance
Deep groove ball bearing dimensions, tolerances, and bulk supply from verified China factory. OEM ready.
By Adam Li, Export Manager at YIDI Motion
I've handled thousands of 6201 bearing orders over the past five years. From US machine shops to European conveyor lines, buyers keep coming back for these because the size hits that sweet spot—compact yet tough. We're not just listing dimensions; we're talking real-world fit in pumps, motors, and spindles.
Table of Contents
Understanding 6201 Bearing Size: No Guesswork
Procurement teams search "6201 bearing size" for one reason: exact fit matters. A mismatch by even 0.01mm throws off alignments, spikes vibration, and cuts machine life short. We've seen it—US importers rushing replacements after grabbing off-spec lots from unverified Alibaba sellers.
The 6201 is a deep groove ball bearing, metric series, single row. Core dimensions: inner diameter 12mm, outer 32mm, width 10mm. That's the baseline. But tolerances? Dynamic load rating hovers around 5.1kN, static at 2.39kN. We machine to ABEC-3 precision or better, depending on your spec sheet.
Why does this size dominate? It's versatile. Fits small electric motors, household appliances, even automotive accessories. Material-wise, standard chrome steel (GCr15), heat-treated to 58-62 HRC. Options for stainless (AISI440C) if corrosion's an issue in washdown environments. Seals? ZZ metal shields or 2RS rubber for grease retention.
Let's break it down operationally. Bore tolerance is usually 0/-8 microns. OD 0/+11 microns. That ensures press-fit reliability without galling. We've shipped pallets to Texas fabricators who swear by our consistency— no rejects on the line.
Speed limits? Grease lubed, up to 28,000 RPM. Oil? Higher, but most buyers stick to sealed units for simplicity. Weight's a feather: 0.037kg each. Bulk orders? We pack 10,000 per carton, optimized for 20ft containers.
Common mix-up: confusing 6201 with 6200 series variants. 6200 is 10x30x9mm—too slim for many shafts. Or R6 imperial equivalent, but metric rules B2B global trade. Always cross-check your CAD model.
In our Shijiazhuang factory, we run vibration tests per ISO 15242. P0 standard, P6 on request. Noise levels stay under 65dB at full speed. Buyers from Canada note fewer warranty calls compared to Indian suppliers.
One procurement tip: factor radial clearance. C3 for hot-running apps like gearboxes. We've customized clearances for OEMs assembling in humid Florida plants—prevents brinelling.
This isn't fluff. Over 800 words here because specs drive decisions. Next time you're quoting, print this page.
Real-World Applications for 6201 Bearing Size
Engineers don't buy bearings in isolation. They solve problems. 6201 fits where space is tight but loads aren't trivial.
- Motors: AC/DC fractional horsepowers. Think conveyor drives in warehouses.
- Pumps: Submersible or centrifugal. Handles axial loads up to 30% of radial.
- Spindles: Woodworking CNCs. High RPM without whip.
- Auto: Power window regulators, wipers. Millions in aftermarket.
- Agriculture: Tractor attachments, irrigation reels.
- HVAC: Fan assemblies. Quiet operation sells.
Take a Midwest distributor we supply. Switched to our 6201 ZZ for blower motors—downtime dropped because seals held grease through seasonal starts.
Harsh environments? Opt for 6201-2RS1. Rubber contacts exclude dust in quarry crushers. We've exported to Australian mining ops; they run 18 months between changes.
Buyer's Guide: Sourcing 6201 Bearings Without Risks
Purchasing managers know the drill. Quotes flood in, but quality varies. Here's how to vet for 6201 bearing size.
First, demand material certs. GCr15 must show sulfur under 0.015%. Our lab tests every batch.
Second, lead times. We quote 15-25 days FOB Tianjin. No "out of stock" excuses.
Third, MOQ flexibility. Start at 100pcs for samples, scale to pallets. Pricing tiers: $0.50-$1.20/unit volume.
- Verify ISO 9001 cert
- Ask for vibration grade
- Confirm cage type (steel or polyamide)
- Request load curve charts
- Negotiate Incoterms early
Avoid pitfalls like unmarked bearings. Traceability via laser etching: batch codes etched on OD.
For OEMs, we handle DFM reviews. Sent tolerances? We tweak for your shaft hardness.
6201 Bearing Full Specifications Table
| Parameter | Value | Notes |
|---|---|---|
| Bore Diameter (d) | 12mm | 0/-8μm tolerance |
| Outer Diameter (D) | 32mm | 0/+11μm |
| Width (B) | 10mm | Flat raceways |
| Dynamic Load (Cr) | 5.1 kN | ISO 281 |
| Static Load (Cor) | 2.39 kN | Max non-deflection |
| Limiting Speed (Grease) | 28,000 RPM | ZZ/2RS |
| Weight | 0.037 kg | Per unit |
| Material | GCr15 / 100Cr6 | Chrome steel |
624 bearing size 6900 bearing 6200 bearing
Custom variants available: P5 precision, ceramic balls for ultra-high speeds.
Installation Insights and Maintenance for Long Life
Bad installs kill bearings faster than wear. Heat the housing to 80C for slip-fit. Never hammer the OD.
Lube right: Lithium grease NLGI 2. Initial fill 30% free space. Relube intervals? 4,000 hours at 10,000 RPM.
Watch for these failures: spalling from overload, fretting from misalignment. Align shafts to 0.02mm/ft.
Logistics note: We palletize with VCI paper. Sea freight to LA: 28 days. Air for urgent—DHL quotes on request.
YIDI Motion: Your 6201 Bearing Factory Partner
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD., doing business as YIDI Motion since 2020. 100 employees, 30% senior techs. German/Japanese CNC grinders ensure micron precision.
Exports to 50+ countries: USA, Germany, Japan. OEM/ODM for linear motion—ball screws, guides, now bearings.
Certifications:
Address: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China.
Email: adam@yidimotion.com | Phone: +86 18134111662
Feedback from 6201 Bearing Buyers
John M., Texas Fabricator: "Ordered 5k 6201 ZZ. Dimensions spot-on, no chatter in spindles. Shipping was 22 days to Houston. Will reorder."
Maria G., Ontario Distributor: "C3 clearance variant perfect for gearboxes. Cheaper than SKF, same run life. Samples arrived fast."
Raj P., Mumbai OEM: "Bulk 6201-2RS. Seals held in humid storage. Good vibration data provided upfront."
UK Engineering Firm: "Swapped from local supplier. YIDI's tolerances beat them. 40% savings on volume."
Frequently Asked Questions on 6201 Bearing Size
Q: What is the exact 6201 bearing size?
A: 12x32x10mm. ID 12mm, OD 32mm, thickness 10mm. Standard deep groove.
Q: Can I get 6201 bearings in stainless steel?
A: Yes, AISI440C. Lead time +7 days. Suited for food processing.
Q: What's the price for wholesale 6201 bearings?
A: Tiered: $0.65/unit @10k pcs. Email for current quote.
Q: Do you offer free samples?
A: 10-20pcs free for qualified buyers. Cover courier.
Q: How long to ship to USA?
A: Sea 25-35 days. Air 5-7 days via DHL.
Q: OEM customization possible?
A: Full. Logos, packaging, specs. MOQ 5k.
Ready for 6201 Bearings? Let's Talk Specs
Request tailored pricing, samples, or engineering consult. Exports worldwide.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | +86 18134111662 | yidibearings.com
