718/670A/DT Bearing Technical Specifications
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- Bore Diameter(d) 670mm
- Outer Diameter (D) 820mm
- Width(B) 138mm
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- Dynamic Load Rating (Cr) 830kN
- Static Load Rating (Cor) 2510kN
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- Weight 156kg
Single Row Angular Contact Ball Bearings (Model: 718/670A/DT) with a standard contact angle of 15° are designed to handle combined radial and axial loads effectively. optimized for high-speed applications with moderate axial loads. The bearing has a bore diameter of 670mm, outer diameter of 820mm, and width of 138mm. With fillet radii of 4mm (r12) and 1.5mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 830kN and static load capacity of 2510kN. Suitable for high-speed applications, it has a limiting speed of 380 r/min (grease lubrication) and 500 r/min (oil lubrication), with a weight of 156 kg. Ideal for heavy mining equipment, large gearboxes, this bearing provides reliable performance in demanding industrial environments. Manufactured to strict quality standards, it delivers exceptional precision and durability under varying loads. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Bearing Type
Main Dimensions
670mm × 820mm × 138mm
| ID | 670 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 820 mm | Outside diameter(O.D.) |
| 2B | 138 mm | Width |
| r12 | 4 mm | Outer ring chamfer |
| r34 | 1.5 mm | Inner ring chamfer |
| Grease speed | 380 r/min | Limiting speed (grease lubrication) |
| Oil speed | 500 r/min | Limiting speed(oil lubrication) |
| Cr | 830 kN | Radial dynamic load rating |
| Cor | 2510 kN | Radial static load rating |
| Mass | 156 Kg | Weight |
Brand
WJY / OEM Available
Origin
Quality Standard
Delivery Time
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
Shipping Methods
Ocean Freight/Land Transport
Warranty
We provide 12-month warranty, extendable to 18 months via authorized JinYu distributors.
Pricing Information
Bearings prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.