70/900 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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70/900 AMB Bearing Product Overview & Core Advantages
The 70/900 AMB is a single row angular contact ball bearing designed for precision applications requiring high load capacity and superior rotational accuracy. This metric bearing features a 900 mm bore and is manufactured to P6 (ABEC-3) tolerance class, ensuring exceptional dimensional stability and performance consistency. Its optimized 40° contact angle enables it to efficiently support combined radial and axial loads simultaneously, making it ideal for demanding industrial environments where high rigidity and reliability are paramount.
70/900 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 70/900 | Bearing series and bore diameter (900 mm) |
| AMB | Angular contact ball bearing designation |
| Open | No seals or shields, suitable for controlled environments |
| P6 | Tolerance class equivalent to ABEC-3 precision |
70/900 AMB Bearing Structural Features & Performance Benefits
This precision bearing incorporates several advanced design elements that deliver superior performance:
- High Rigidity & Load Capacity: The single row design with 40° contact angle provides excellent resistance to combined loads, supporting radial dynamic load rating of 351,000 lbf and static load rating of 1,102,500 lbf
- Precision Engineering: Manufactured to P6 tolerance class with tight dimensional controls on bearing dimensions including bore diameter (900 mm), outside diameter (1280 mm), and width (170 mm)
- Premium Materials: Constructed with chrome steel rings and balls combined with a brass cage for optimal strength and durability under heavy loads
- Optimized Geometry: Features carefully calculated shoulder diameters (outer ring: 1141 mm, inner ring: 1049/978 mm) and a 7.5 mm chamfer for proper installation and load distribution
70/900 AMB Bearing Typical Application Areas
The 70/900 AMB angular contact ball bearing is engineered for heavy-duty industrial applications including:
- Large industrial gearboxes and power transmission systems
- Heavy machinery spindles requiring high precision and load capacity
- Mining equipment and material handling systems
- Large pump and compressor systems operating under significant radial and axial loads
- Industrial fans and blowers in demanding environments
