3519/900 Technical Specifications
| Bearing Type | Double Row Tapered Roller Bearings |
|---|---|
| d (ID) | 900mm |
| D (OD) | 1180mm |
| B (Width of one row) | 122mm |
| T(Total Width) | 275mm |
| Dynamic Load (Cr) | 7640kN |
| Static Load (Cor) | 21300kN |
| Mass | 763Kg |
| Grease speed | |
| Oil speed | |
| Material | High-carbon chromium bearing steel (GCr15 / 52100 equivalent) |
| Cage | Standard pressed steel cage |
| Clearance | Normal clearance (CN) |
| Precision | P0 / Normal grade |
Product Description
3519/900 is a 35 Series TDO Double Row Tapered Roller Bearings designed for heavy-duty rotating equipment operating under combined radial and axial load conditions.
It is engineered for demanding industrial environments where high reliability, stable performance, and long service life are required under continuous operation.
This bearing is commonly applied in large-scale mechanical systems that require robust load handling and structural rigidity.
Key Features
- True Double Row Design – Two-row tapered roller configuration provides high radial and axial load carrying capacity
- High Rigidity Structure – Optimized for rolling mills, gear drives and heavy industrial machinery
- Improved Load Distribution – Double row arrangement reduces stress concentration and extends service life
- Excellent Shock Resistance – Suitable for severe impact and fluctuating load conditions
- Extra Large Bearing Design – Engineered for large-scale industrial equipment with high load demand
- Heavy-Duty Dynamic Load Rating – Suitable for severe operating environments and continuous heavy loads
- Ultra-Large Bearing Construction – Designed for rolling mills, mining systems and other heavy industrial equipment
Applications
- Rolling Mills
- Mining Equipment
- Heavy-Duty Gearboxes
- Steel Processing Machinery
- Cement Plant Equipment
- Bulk Material Handling Systems
Related Products
Why are 35 Series TDO bearings widely used in rolling mills?
35 Series TDO double row tapered roller bearings provide high radial load capacity and good axial positioning capability, making them suitable for roll necks, metallurgical equipment and heavy-duty industrial machinery.
Can 3519/900 tapered roller bearing be customized?
Yes. We provide OEM customization for 3519/900, including clearance adjustment (C2/C3/CN), cage design optimization, heat treatment, and material upgrades.
What is the service life of 3519/900 tapered roller bearing?
Service life depends on load, lubrication, and operating conditions. Under proper installation and maintenance, these bearings are designed for long-term heavy-duty industrial use.
What is the lead time for 3519/900 bearing?
Lead time for large-size variants (≥300mm bore) is typically 25–40 days due to machining and heat treatment requirements.
Delivery & Service
Delivery Time
In-stock items: 3–5 working days; Bulk orders: 7–15 working days.
Shipping
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Loading Port
Dalian Port or other nominated port
Packing
Export packing: tube + box + carton + wooden case
Order
Mixed models & small orders welcome
Image for reference only.
