GQZ 4T-JHM807045 Metric Tapered Roller Bearing Inner Cone, Matched With JHM807012 Outer Cup For Auto Differentials And Heavy Gearboxes
4T-JHM807045 is the separable inner cone assembly of metric single-row tapered roller bearing set 4T-JHM807045/JHM807012, paired with JHM807012 outer cup. It bears combined heavy radial and unidirectional axial loads, widely used for vehicle differential pinion shafts, heavy truck axles and construction machinery high-load gearboxes.
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| Model | 4T-JHM807045 (Inner Cone Only) |
|---|---|
| Matching Cup | JHM807012 |
| Inner bore d | 50 mm |
| Cone width B | 36 mm |
| Assembly overall width T | 37 mm |
| Dynamic load Cr | 139 kN |
| Static load C0r | 192 kN |
| Limiting speed | Grease 3600 rpm, Oil 4800 rpm |
| Structure | Single row tapered rollers, stamped steel cage, separable cone unit |
| Material | GCr15 high carbon chrome bearing steel |
Full technical datasheets and CAD drawings available upon request
- Separable cone & cup design allows single-piece replacement, cutting spare parts inventory cost
- Logarithmic superfinished roller surface reduces friction heat, lowers running vibration & noise
- High load rating withstands heavy torque and impact for automotive differential operation
- Standard metric size fully interchangeable with NTN/Timken original 4T-JHM807045
- Custom P5/P6 precision grade, EP heavy-duty grease and OEM laser marking supported
Helps reduce maintenance cost and improve machine performance
This bearing cone is widely used in:
- Passenger car & heavy truck differential pinion assemblies
- Construction machinery heavy-duty transmission gearboxes
- Large agricultural tractor and harvester power axles
- Mining transport vehicle wheel hub transmission parts
- Industrial metallurgy heavy-load speed reducers
Ideal heavy-duty metric tapered roller cone solution for vehicle & industrial transmission
- 25+ years experience manufacturing metric heavy tapered roller bearings
- Exported to over 50 countries worldwide
- Strict hardness, dimensional tolerance and matching clearance inspection before shipment
- Fast response within 24 hours, professional assembly technical support
- Stable bulk supply for auto spare parts and machinery distributors
We focus on quality, reliability, and long-term partnership
- GCr15 bearing steel raw material metallurgy & hardness inspection
- Precision tapered raceway superfinishing grinding process
- Stable quenching & tempering heat treatment
- Roller contact smoothness and high-speed noise testing
- Matching tolerance test with standard JHM807012 cup before delivery
Ensuring stable load and rotation performance for every bearing cone
Looking for replacement tapered roller inner cone 4T-JHM807045 matched with JHM807012?
Send your inquiry to get:
- Fast quotation within 24 hours
- Engineer preload & assembly guidance
- Custom precision & lubriion options
- Competitive factory price
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Q1: Can you provide custom bearings?
Yes, OEM customized production based on drawings, precision and clearance requirements.
Q2: Production lead time?
Standard stock:7–15 days; customized items depend on specifiions.
Q3: Do you support bulk wholesale orders?
Yes, stable mass supply for long-term cooperative distributors.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.