370684 Technical Specifications
| Bearing Type | Double Row Tapered Roller Bearings |
|---|---|
| d (ID) | 420mm |
| D (OD) | 620mm |
| B (Width of one row) | 200mm |
| T(Total Width) | 200mm |
| Dynamic Load (Cr) | 2950kN |
| Static Load (Cor) | 7150kN |
| Mass | 211Kg |
| 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
370684 is a 37 Series TDI 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
- TDI Double Cup Design – Features double cone assembly with spacer for precise axial positioning
- High Combined Load Capacity – Designed to support heavy radial loads together with axial loads in both directions
- Optimized Internal Geometry – Improves rolling contact performance and minimizes heat generation
- Suitable for Heavy-Duty Equipment – Widely used in rolling mills, mining equipment and large industrial reducers
- Heavy-Duty Dynamic Load Rating – Suitable for severe operating environments and continuous heavy loads
- Heavy Industrial Design – Suitable for demanding operating environments with high load requirements
Applications
- Rolling Mill Roll Necks
- Metallurgical Equipment
- Large Industrial Drives
- Mining Machinery
Related Products
What are the advantages of 37 Series TDI bearings?
37 Series TDI bearings feature separable inner ring assemblies, simplifying installation and maintenance in rolling mills, mining machinery and other heavy industrial equipment.
Can 370684 tapered roller bearing be customized?
Yes. We provide OEM customization for 370684, including clearance adjustment (C2/C3/CN), cage design optimization, heat treatment, and material upgrades.
What is the service life of 370684 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 370684 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.
