718/670 AMB
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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718/670 AMB Bearing Product Overview & Core Advantages
The 718/670 AMB is a single row angular contact ball bearing designed for applications requiring exceptional precision and reliability. Engineered to accommodate combined loads—simultaneously handling significant radial and axial forces—this bearing features a 40° contact angle optimized for high axial load capacity. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and rotational precision. Its robust construction using chrome steel components ensures long-term performance in demanding industrial environments.
718/670 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 718/670 | Bearing series and size designation (670mm bore) |
| AMB | Angular contact ball bearing with 40° contact angle |
| Open | No seals or shields, allowing for custom lubrication systems |
| P6 | High precision tolerance class equivalent to ABEC-3 |
718/670 AMB Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The 40° contact angle and precision-ground raceways enable efficient handling of combined radial and axial loads, with a radial dynamic load rating of 118,575 lbf and static rating of 281,250 lbf.
High Precision Construction: Manufactured to P6 tolerance class with tight dimensional controls (bore: -0.05mm to 0, OD: -0.06mm to 0), ensuring minimal runout and vibration for precision applications.
Enhanced Stability: The brass cage provides excellent guidance and stability at the specified limiting speed of 0.75 × 1000 rpm, while the optimized shoulder diameters (outer: 772.2mm, inner: 720.5mm) ensure proper seating and alignment.
Robust Material Selection: Chrome steel rings and balls combined with brass cage construction deliver superior durability and corrosion resistance within the operating temperature range of -30° to 110°C.
718/670 AMB Bearing Typical Application Areas
- Heavy-duty machine tool spindles and precision machining centers
- Large industrial pumps and compressor systems
- Marine propulsion systems and large gearboxes
- Mining equipment and heavy construction machinery
- Wind turbine gearboxes and power generation equipment
