LM11949 Bearing Set: Precision Tapered Roller Bearings for Heavy-Duty Applications
High-performance LM11949/LM11910 bearing sets from YIDI Motion – built for durability, precision, and seamless integration.
Reduce Downtime by 40% with Industrial-Grade LM11949 Bearing Sets
Struggling with frequent bearing failures in heavy machinery? YIDI Motion’s LM11949 bearing set delivers OEM-grade precision for automotive, agricultural, and industrial applications. Backed by German/Japanese production technology and a 24-hour quote guarantee.
Contents
3 Critical Pain Points You Face with Substandard LM11949 Bearings
⚠️ Premature Failures
Low-grade materials lead to cracking under radial loads, causing unplanned downtime. Our tests show generic bearings fail 3x faster than YIDI’s LM11949 taper roller bearing in high-stress environments.
⚖️ Inconsistent Load Handling
Off-spec tolerances result in uneven load distribution. YIDI’s bearings meet ISO 15:2017 standards, ensuring ±0.005mm precision for heavy-duty axles and transmissions.
💰 Hidden Costs
Cheap bearings may save 10% upfront but cost 5x more in replacements. YIDI’s 1-year warranty and 30% longer lifespan reduce your TCO (Total Cost of Ownership).
Why YIDI’s LM11949 Bearing Set Outperforms Timken, SKF, and Generic Brands
Head-to-Head Comparison
| Feature | YIDI Motion | Timken | Generic |
|---|---|---|---|
| Material | GCR15 (SAE 52100) Steel | GCR15 | Mixed Alloys |
| Load Capacity | Dynamic: 108kN | Static: 137kN | Dynamic: 105kN | Dynamic: 85kN |
| Price (per set) | $18.50 (MOQ 10 sets) | $24.90 | $15.00 |
| Lead Time | 7-10 days (Stock) | 25 days (Custom) | 14-21 days | Variable |
| Customization | OEM/ODM (Seal, Cage, Grease) | Limited | None |
Data sourced from YIDI Motion’s 2026 internal testing and supplier benchmarks.
5 Core Advantages of YIDI’s LM11949 Bearing Set
1. Superior Material Composition
Forged from GCR15 (SAE 52100) steel with heat-treated races (HRC 60-64) for abrasion resistance in contaminated environments.
2. Precision Engineering
ISO 15:2017 certified with ±0.005mm tolerance on inner/outer rings. Compatible with LM11910 cone for seamless pairing.
3. High-Speed Performance
Tested to 4,000 RPM with grease-lubricated or oil-mist systems. Ideal for differential pinion supports and wheel hubs.
4. Global Compliance
Meets ABEC-7 standards and holds CE, RoHS, and ISO 9001:2015 certifications. REACH-compliant for EU markets.
5. One-Stop Customization
Offer OEM/ODM for:
- Seal types (LLU, 2RS, open)
- Cage materials (steel, polyamide)
- Lubrication (lithium grease, synthetic oil)
YIDI Motion’s CNC grinding line ensures ±0.005mm precision for LM11949 bearings.
LM11949 Bearing Set Technical Specifications
| Parameter | Value |
|---|---|
| Bearing Type | Tapered Roller Bearing (TS) |
| Part Number | LM11949 (Cup) / LM11910 (Cone) |
| Dimensions (mm) | ID: 49.225 | OD: 82.550 | Width: 22.225 |
| Dynamic Load Rating (Cr) | 108 kN |
| Static Load Rating (Cor) | 137 kN |
| Limiting Speed (Grease) | 4,000 RPM |
| Material | GCR15 (SAE 52100) Steel |
| Hardness | HRC 60-64 (Races) |
| Lubrication | Lithium Grease (Default) | Synthetic Oil |
| Weight | 0.45 kg/set |
| Compatibility |
|
Note: Custom dimensions available on request. Contact us for bulk OEM inquiries.
Industries & Applications for LM11949 Bearing Sets
🚗 Automotive
- Differential pinion supports
- Wheel hub assemblies
- Transmission output shafts
🚜 Agriculture
- Tractor final drives
- Combine harvester gearboxes
- Planter wheel systems
⚙️ Industrial
- Conveyor systems
- Mining equipment
- Machine tool spindles
🏗️ Construction
- Crane slewing rings
- Excavator track rollers
- Asphalt paver drives
Trusted by 50+ Countries | Certifications & Client Testimonials
Quality Certifications
All YIDI Motion bearings undergo 100% dimensional inspection and material testing.
timken bearing lm11949 lm29749 bearing set lm bearing
Global Clients Who Trust YIDI Motion
Purchasing Manager, AutoParts USA
"YIDI’s LM11949 bearing set cut our warranty claims by 60%. The GCR15 steel holds up in our off-road differentials where others fail. Delivery was on time, every time."
Technical Director, Europarts GmbH
"We tested 5 suppliers for LM11949 bearings. YIDI was the only one to meet ABEC-7 standards at a 20% lower cost than SKF. Their OEM packaging also streamlined our assembly line."
Operations Manager, Gulf Machinery
"In the Middle East’s harsh conditions, bearing longevity is critical. YIDI’s heat-treated LM11949 bearings last 30% longer than our previous supplier. Their DHL logistics to Dubai is flawless."
Frequently Asked Questions About LM11949 Bearing Set
1. What’s the difference between LM11949 and LM11910?
LM11949 is the cup (outer ring), while LM11910 is the cone (inner ring + rollers). They are sold as a matched set for tapered roller bearing applications.
2. Can I get a free sample of the LM11949 bearing set?
Yes! YIDI Motion offers free samples for qualified buyers (MOQ: 10 sets). Request yours here with your company details.
3. How do I ensure compatibility with my Dana 44 axle?
Provide your axle model and year. Our engineers will confirm the LM11949 dimensions (49.225mm ID x 82.55mm OD) match your housing. We also offer 3D CAD drawings for verification.
4. What’s your lead time for bulk orders?
- Stock items: 7-10 days (via DHL/FedEx)
- Custom orders: 25-30 days (sea freight)
- OEM/ODM: 35-45 days (tooling required)
5. Do you provide installation guidance for LM11949 bearings?
Absolutely. We include a detailed installation manual and offer video tutorials for complex applications. Our team is also available for live technical support via WhatsApp (+86 18134111662).
6. What payment methods do you accept?
We support:
- TT (Bank Transfer): 30% deposit, 70% before shipment
- L/C (Letter of Credit) at sight
- PayPal/Western Union (for samples)
- Alibaba Trade Assurance (100% payment protection)
7. Can I customize the LM11949 bearing set?
Yes! We offer:
- Seal types: LLU, 2RS, or open
- Cage materials: Steel or polyamide (nylon)
- Lubrication: Custom grease填充 (e.g., high-temp, food-grade)
- Branding: Laser-engraved logos or part numbers
8. How do you handle after-sales service?
Our 1-year warranty covers manufacturing defects. We also provide:
- 24/7 technical support via email/phone
- Replacement for DOA (Dead on Arrival) items
- Field failure analysis with corrective action reports
Real User Reviews for LM11949 Bearing Set
Mechanic, Texas, USA
"I’ve been using LM11949 bearings in my shop for years, but YIDI’s version is noticeably smoother. The GCR15 steel doesn’t pit like the cheap ones. My customers notice the difference in handling."
Procurement Specialist, California, USA
"YIDI’s LM11949/LM11910 set passed our ISO 9001 audit with flying colors. The certification paperwork was complete, and the batch consistency was impressive. We’ve switched all our suppliers to YIDI."
Fleet Manager, UK
"Our truck fleet was going through bearings every 8 months. Since switching to YIDI’s LM11949, we’re at 14+ months with no failures. The price savings alone justified the switch."
Limited-Time Offer: 10% Off LM11949 Bearing Sets!
Order 50+ sets before June 30, 2026 and get:
- ✅ 10% bulk discount
- ✅ Free DHL shipping (for orders under 100kg)
- ✅ Priority production (ship in 5 days)
- ✅ Extended 18-month warranty
🔒 Risk-Free Guarantee: Not satisfied? We’ll refund or replace your order—no questions asked.
Adam Zhang
Senior Bearing Engineer | YIDI Motion
With 12+ years in precision bearing manufacturing, Adam specializes in tapered roller bearings for automotive and industrial applications. He holds a Master’s in Mechanical Engineering from Tsinghua University and has led R&D projects for Dana Axle, Bosch, and Caterpillar. His expertise ensures YIDI’s LM11949 bearing set meets global OEM standards.
