32313‑A Single Row Tapered Roller Bearing 65*140*51mm For Automotive Mining Construction Machinery
32313-A is a heavy-duty single row tapered roller bearing with outstanding radial and axial combined load capacity. It delivers stable operation and strong shock resistance for complex variable load working conditions.
Optimized taper structure and precise manufacturing lower friction and wear, ensuring long service life and high stability. The separable design allows easy installation and maintenance.
Commonly used for construction machinery, mining crushers, steel rolling equipment, vehicle transmissions and heavy conveyors, serving as a reliable load-bearing and transmission core part.
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| Parameter | Specifiion |
|---|---|
| Bearing Model | 32313‑A |
| Bearing Type | Single‑row Tapered Roller Bearing |
| Bore Diameter | 65 mm |
| Outer Diameter | 140 mm |
| Inner Ring Width | 48 mm |
| Outer Ring Width | 39 mm |
| Total Width | 51 mm |
| Inner Chamfer Minimum | 3 mm |
| Outer Chamfer Minimum | 2.5 mm |
| Dynamic Load Rating | 270000 N |
| Static Load Rating | 345000 N |
| Fatigue Limit Load | 43500 N |
| Reference Rotational Speed | 3800 r/min |
| Limiting Rotational Speed | 5000 r/min |
| Net Weight | 3.49 kg |
| Contact Angle | 13° |
- Strong combined load capacity, perfectly bearing heavy radial and axial loads simultaneously
- Excellent shock resistance and running stability, adaptable to variable impact working conditions
- Optimized A-type taper structure, effectively reduces friction and mechanical wear
- High structural rigidity, ensures continuous and stable operation for long-term heavy-duty work
- Separable inner and outer ring design, supporting easy installation, disassembly and replacement
- Construction machinery and engineering heavy equipment
- Mining crushers and mineral processing industrial equipment
- Steel rolling mills and metallurgical machinery systems
- Industrial gearboxes, transmission and heavy conveyor equipment
- Automotive and mechanical transmission supporting parts
*Check matched bearing models to complete your mechanical assembly.
- 30 years professional bearing industry experience
- ISO certified strict quality inspection
- Flexible OEM & private label customization
- 3-5 days fast delivery for stocked bearings
- Full bearing series, universal interchangeable size
- Factory direct price & reliable after-sales service
Q1: What kind of bearing does the 323‑A series belong to?
A1: They are single‑row tapered roller bearings with upgraded tapered structure for heavy‑load industrial scenarios.
Q2: What load types can these tapered roller bearings cope with?
A2: They can sustain large‑scale radial and axial combined loads as well as frequent impact‑type loads.
Q3: Why is the A‑type structure better than ordinary tapered roller bearings?
A3: Its optimized roller contact design cuts operating friction, improves rigidity and extends service life.
Q4: Is it convenient to carry out mounting and maintenance for this bearing series?
A4: The separable inner‑ring and outer‑ring layout enables quick disassembly, inspection and part replacement.
Q5: What should we pay attention to during the daily use of these heavy‑duty bearings?
A5: Proper lubriion and reasonable clearance adjustment are required to resist shock and reduce abrasive wear.
*Contact us anytime for technical parameter consultation & selection guidance.
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