619/670MA Bearing Technical Specifications
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- Bore Diameter(d) 670mm
- Outer Diameter (D) 900mm
- Width(B) 103mm
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- Dynamic Load Rating (Cr) 670kN
- Static Load Rating (Cor) 1450kN
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- Weight 194kg
The 619/670MA 619 Series Deep Groove Ball Bearing (Thin-Wall) is engineered for heavy-duty thin-wall applications. With dimensions of 670mm bore diameter, 900mm outer diameter, and 103mm width, this extra large-bore deep groove ball bearing delivers low-friction, high-speed performance in demanding industrial environments. It features a dynamic load rating of 670kN and static load rating of 1450kN, suitable for both radial and moderate axial load applications. Equipped with a Special machined brass cage, it ensures optimal rotational stability and extended service life under targeted operating conditions. This bearing includes special machined brass cage for enhanced adaptability to specific working conditions.
Ideal for use in: heavy industrial gearboxes, mining crushers, construction machinery, large compressors, mining machinery, steel mill equipment
Bearing Type
Main Dimensions
670mm × 900mm × 103mm
| ID | 670mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 900mm | Outside diameter(O.D.) |
| B | 103mm | Width |
| Cr | 670kN | Radial dynamic load rating |
| Cor | 1450kN | Radial static load rating |
| Mass | 194Kg | Weight |
Material
GCr15 Bearing Steel (Customizable materials: GCr15 Bearing Steel/GCr15SiMn/GCr18Mo/G20Cr2Ni4A)
Cage
Special machined brass cage ( customizable on demand in steel, brass, machined brass, etc.)
Precision Rating
P0 (Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)
Clearance
C3 increased radial clearance (customizable on demand in C0/C2/C3/C4/C5 specifications)
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.