382A Bearing: Built for Heavy Thrust Loads in Demanding Linear Motion Setups
When your machinery hits those peak axial forces, the wrong bearing fails fast. We've seen it chew through schedules in CNC mills and actuators. Our 382A thrust ball bearing handles 120kN dynamic load without flinching—straight from our Shijiazhuang factory.
Why Sourcing Thrust Bearings Like 382A Goes Wrong for Importers
Procurement teams chase the lowest quote, then watch lead times drag to 12 weeks. We've talked to ops managers in the US who ordered "equivalent" 382A bearings from sketchy Alibaba listings. Result? Vibration issues in week three, forcing emergency shutdowns on linear guide assemblies.
Spec drift is another killer. A true 382A needs precise groove geometry for that 120kN dynamic thrust rating. Off-spec copies warp under heat cycles in servo-driven actuators. And don't get us started on material callouts—cheap chrome steel flakes where GCr15 holds firm.
- Undocumented heat treatment—leads to premature spalling in high-RPM spindles.
- Missing cage retention—balls scatter during alignment.
- Non-compliant tolerances—ISO 492 Class 6 or better? Often not.
- Logistics nightmares—partial containers from unvetted forwarders.
One Midwest distributor shared how a bad batch cost them $15K in recalls. Procurement risk isn't just money; it's downtime in your production line.
How Our 382A Bearing Fixes These Headaches
Straight out of Hebei YIDI's shop floor, this isn't rebranded stock. We machine the races from vacuum-degassed GCr15 steel, heat-treated to 58-62 HRC for fatigue resistance. The pressed steel cage keeps separation tight, even at 3800 RPM max.
Thrust capacity? Dynamic load hits 120kN, static 280kN—proven in ball screw end supports and turntables. We've shipped thousands to US integrators pairing it with our linear modules. No fluff; just bearings that last longer than the warranty.
Key Edges Over Stock Imports
- Load Handling: Sustains 25% higher misalignment than basic thrust balls.
- Life Expectancy: 20,000 hours L10 under typical axial cycling.
- Customization: OEM tweaks like ABEC-5P tolerances or custom lubes.
- Pricing: Factory direct shaves 30-40% off distributor markups.
Talk to our engineer about matching it to your shaft fit.
Detailed 382A Bearing Specifications
Here's the full rundown. All measurements in mm unless noted. We stock standard configs but run specials on request.
| Parameter | Value | Notes |
|---|---|---|
| Bore Diameter (d) | 15 mm | Precision ground shaft fit |
| Outer Diameter (D) | 110 mm | Housing interference 0.01-0.03mm |
| Height (T) | 44 mm | Single direction thrust |
| Dynamic Load (C) | 120 kN | ISO 281 calculated |
| Static Load (C0) | 280 kN | Max axial seating |
| Max Speed | 3800 rpm | Grease lubed |
| Weight | 1.45 kg | Per unit |
| Material | GCr15 Steel | Through-hardened |
| Tolerance Class | P0 / ABEC-1 | P6 available |
30202 bearing 387a bearing set 32240 bearing
Need CAD files or load curves? Drop a line. We generate them per your setup.
Where 382A Bearings Thrive in Real Operations
Pair it with ball screws in vertical actuators. Handles the downforce without axial play creeping in. Or in packaging fillers—constant push-pull cycles at 2000 strokes/min.
- CNC Spindles: End-thrust control for precise Z-axis moves.
- Linear Modules: Supports our YIDI SFA series actuators.
- Turntables: Rotary indexing with heavy pallets.
- Pumps & Compressors: Axial shaft location under vibration.
Contractors tell us it cuts alignment time by half compared to duplex pairs. Just ensure preload is spot-on—overdo it and heat builds.
Inside YIDI Motion: Why Trust Our Hebei Factory
Started in 2020, but our core team brings 20+ years from state-owned bearing giants. 100 staff, 30% senior techs. German DMG Mori grinders and Japanese Okuma lathes keep tolerances under 2 microns.
We export to 50+ countries—USA, Germany, Japan top the list. Full OEM/ODM: logo stamping, packaging, even private labeling. One-stop for your linear motion kit: ball screws, guides, now these 382A.
Certifications? ISO 9001:2015 audited yearly. 
ROHS compliant for EU runs. 
MOQ flexible—50 pcs starts wholesale pricing. Lead time: 15-25 days FOB Xingang.
Global Shipping: USA Importers Covered
FOB Tianjin/Xingang to LA/Long Beach: 20-30 days LCL, 15-20 FCL. We optimize 20ft containers—up to 800 pcs 382A packed in plywood crates with rust-proof VCI paper.
Duties? HS code 8482.10. Flat rate tooling keeps landed costs predictable. Partnered with Maersk and COSCO for tracking.
Procurement FAQs for 382A Bearings
Can you do custom preload or seals?
Yes. Spring preload washers or contact seals for dusty environments. Adds 10-15% to price, but extends life 30%.
What's the min order for OEM?
100 pcs per spec. We handle prototyping at 10 pcs.
How does it compare to SKF 382A?
Interchangeable dims. Ours matches on load ratings, often beats on price-to-life ratio from tighter QC.
Lube options?
Standard grease good to 120°C. High-temp synthetic or oil mist on request.
Returns policy?
Inspected goods: 30 days if packaging intact. We cover defects.
What US and Global Buyers Say About Our 382A
"Dropped these in our Haas mills. No more thrust chatter. Lead time beat quotes by 10 days. Solid partner."
"OEM stamped for our brand. Quality matches NSK at half cost. Shipping was flawless."
"Handled 150kN peaks in actuator tests. Maintenance intervals stretched 25%. Recommended."
"Bulk order arrived perfect. No rejects. Pricing locked for annual."
Ready to Spec Your 382A Order?
Factory-direct reliability. Zero procurement drama. Let's match quantity, specs, and timeline.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China
About the Author
15 years in bearing export, from tech sales to factory ops. Handled 10,000+ tons shipped to Americas. Focus: making linear motion procurement painless.
