32240 Bearing - Precision Tapered Roller Bearings for Heavy Industrial Loads | OEM Supplier
Reliable 32240 bearings direct from factory. ISO-certified, GCr15 steel, custom OEM/ODM. Fast global shipping to USA, Europe.
Get Factory Quote → +86 18134111662
We've handled thousands of orders for large tapered roller bearings like the 32240. Sourced straight from our Hebei production lines.
By Li Wei, Export Director at YIDI Motion
Over 15 years in linear motion and bearing exports. Seen too many procurement managers chase cheap imports only to face downtime from poor tolerances. That's why we focus on what works in real operations.
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Procurement Risks You're Likely Facing with 32240 Bearings
Procurement directors know the drill. You spec a 32240 bearing for a crusher or wind turbine gearbox, but the supplier cuts corners on heat treatment. Suddenly, you're looking at spalling after 6 months. Happens more than you'd think.
Common pitfalls we've seen:
- Undersized cones or cups: Tolerances drift beyond ISO 355, leading to uneven load distribution.
- Soft steel: GCr15 that's not properly quenched—brittle under axial loads.
- Fake certifications: "ISO" stamps that don't check out on verification sites.
- Long lead times: 12+ weeks from sketchy Alibaba sellers, killing your project schedule.
One US importer called us after burning $15k on a batch that failed preload tests. We replaced them, no hassle. Risk like that adds up fast in maintenance.
Short advice: Always demand cage type verification—brass or steel pressed? Matters for high-speed ops.
32240 Bearing Technical Specifications
Our 32240 is a single-row metric tapered roller bearing, fully compliant with ISO 355 and DIN 720 standards. Built for combined radial and axial loads in demanding setups.
| Parameter | Value |
|---|---|
| Bearing Number | 32240 |
| Inner Diameter (d) | 200 mm |
| Outer Diameter (D) | 360 mm |
| Total Width (T) | 98 mm |
| Cone Width (B) | 88 mm |
| Cup Width (C) | 74 mm |
| Dynamic Load Rating (C) | 965 kN |
| Static Load Rating (C0) | 1590 kN |
| Reference Speed | 1800 rpm |
| Limiting Speed | 2400 rpm |
| Material | GCr15 (AISI 52100) thru-hardened |
| Cage | Pressed steel or brass (custom) |
| Precision Class | P0 / ABEC 1 standard, P6 available |
These aren't pulled from a catalog—they're measured on our CMM machines weekly. Tolerances hold at 0/-0.01 mm for bores. We've matched SKF and Timken specs in side-by-side tests for US clients.
Note on preload: For paired sets (32240/DF), we recommend 0.5-1.0 mm adjustment based on your shaft fit. Overdo it, and fatigue cracks show early.
Real-World Applications for 32240 Bearings
Large tapered rollers like the 32240 shine where shock loads hit hard. Think mining crushers, steel mill roll necks, or large excavator swing drives.
- Heavy Gearboxes: Wind turbine yaw drives—handles misalignment without brinelling.
- Construction Equipment: Wheel loaders and dozers; axial thrust from terrain changes.
- Material Handling: Port cranes, where constant radial loads meet occasional peaks.
- Steel Industry: Roll stands; high temps up to 120°C with proper grease.
One detail often overlooked: In vertical setups, ensure proper lubrication channels. We've retrofitted failed units where grease starved the small end.
Why Our 32240 Bearings Outperform Stock Imports
No hype. Just facts from the floor.
Compared to generic Chinese 32240s:
| Feature | Generic Import | YIDI 32240 |
|---|---|---|
| Surface Finish (Ra) | 0.4-0.6 μm | 0.2-0.3 μm |
| Hardness Variation | ±3 HRC | ±1 HRC |
| Cage Retention | Loose fit | Interference fit |
| Lead Time (MOQ 10) | 8-12 weeks | 4-6 weeks |
That surface finish? Comes from our German grinding machines. Means less heat buildup, longer L10 life—often 20-30% beyond catalog ratings in dirty environments.
Practical tip: Pair with lithium complex grease for 1500-hour intervals. We've tested it in sims matching ASTM D1743.
Buyer Note: Bulk pricing drops at 50+ pcs. OEM marking available—no minimums for US brands.
Inside YIDI Motion: Our 32240 Production Strength
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. Started in 2020, but our core team brings 20+ years from state-owned bearing giants. 100 employees, 30% senior techs.
Equipment lineup: Japanese Okuma grinders, German heat treat furnaces. Full traceability from billet to pack—lot numbers laser-etched.
Exports to 50+ countries: USA gets priority LCL from Tianjin port. We've shipped 32240 sets to Caterpillar dealers without a single claim.
Certifications:
- ISO 9001:2015
- ISO 14001
- CE Marked
- RoHS Compliant
OEM/ODM? Full service. Matched Timken dims for a Texas fabricator last quarter.
Logistics for 32240 Bearings to USA & Beyond
Straight talk on shipping. 32240 weighs ~28kg each. 20 units fit one pallet, 200 in 20ft container.
Lead times:
- Stock (P0): 1-2 weeks dispatch
- Custom P6: 5 weeks
- Sea to LA/Long Beach: 25-30 days
- Air (DHL): 5-7 days, for prototypes
Duties? Bearings qualify under HTS 8482.10, often 0% under USMCA for qual parts. We handle docs.
Warning: Avoid unverified forwarders—lost a shipment once to poor packing. Now we use VCI paper and plywood crates standard.
Get Your Shipping QuoteFrequently Asked Questions on 32240 Bearings
Can I get 32240 bearings in matched pairs?
Yes. DF, DT, or TBT sets. Pre-adjusted clearance certified.
What's the max temp for 32240?
120°C continuous with polyurea grease. Up to 150°C peaks.
Do you offer free samples?
For qualified buyers, yes—one off stock for testing.
How to install 32240 bearing properly?
Heat to 80°C, use hydraulic ram for cone. Torque nut to spec—avoid hammering.
Equivalent to SKF 32240 J2?
Exact match. Same dims, loads. We've interchanged in field tests.
What Procurement Teams Are Saying
John M., Operations Manager, Texas Mining Equip.
"Replaced failing imports with YIDI 32240s. No issues after 18 months on crusher mains. Lead time beat quotes by 2 weeks."
Maria K., Procurement, Ontario Fabricator.
"Custom brass cage option worked perfect for our gearbox. Docs were flawless for customs."
Raj P., Supply Chain Dir., Mumbai Machinery.
"Solid value. Matched Euro specs at half price. Container arrived undamaged."
Mike R., Engineer, California Wind Farm.
"Preload held up in vibration tests. Good comms from Adam during rush order."
Ready to Source Your 32240 Bearings?
Factory-direct pricing. OEM customization. Global delivery.
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HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | Linear Motion Specialists | Exports to 50+ Countries
