Manufactured by CHG Bearing, the HG10/670NIMA is a precision Four-Point Contact Ball Bearings. Key dimensional parameters include a 670 mm bore diameter, a 980 mm outer diameter, and a 136 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

HG10/670NIMA - Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HG10/670NIMA |
| Brand | CHG® |
| Construction | Single Row |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | QJ |
| Load Direction | Combined |
| Dimensions | |
| Bore Diameter (d) | 670 mm |
| Width (B) | 136 mm |
| Outer Diameter (D) | 980 mm |
| Chamfer Dimension r (min.) | 7.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 857 kN |
| Basic Static Load Rating C0 (kN) | 1880 kN |
| Material | |
| Mass (kg) | 346 kg |
| Cage Material | Brass |
HG10/670NIMA 980 mm 670 mm 136 mm Frequently Asked Questions about HG10/670NIMA Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the HG10/670NIMA Four-Point Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
The Open Type engineered for HG10/670NIMA by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
When fitting HG10/670NIMA over a 670 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HG10/670NIMA correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
