718/710 ACMB
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
718/710 ACMB
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
92.4 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
710 mm
Bore diameter tolerance
-0.05mm to 0
Outside diameter
870 mm
Outside diameter tolerance
-0.06mm to 0
Width
74 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
4 mm
Distance from side face to load point
221 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
763.8 mm
Outer Ring Dimensions
Shoulder diameter outer ring
819.6 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
136125 lbf
Radial static load rating
366750 lbf
Limiting speed
0.67 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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718/710 ACMB Bearing Product Overview & Core Advantages
The 718/710 ACMB is a single row angular contact ball bearing designed for applications requiring high precision and the ability to accommodate combined loads. Engineered to a P6 (ABEC-3) tolerance class, this bearing excels in scenarios demanding exceptional running accuracy. Its open design facilitates optimal lubrication management and is capable of handling significant radial dynamic load ratings of 136,125 lbf and radial static load ratings of 366,750 lbf. The robust construction from chrome steel ensures durability and reliable performance in a wide temperature range from -30°C to 110°C.
718/710 ACMB Bearing Model Code Explained, Specifications & Naming Convention
| Prefix/Suffix | Technical Meaning |
|---|---|
| 718/710 | Bearing series and bore diameter code, indicating a 710 mm bore. |
| A | Signifies a 30° contact angle, optimized for carrying substantial axial loads in one direction. |
| C | Denotes a modified internal design and optimized internal clearances for enhanced performance. |
| MB | Indicates the bearing is supplied with a machined brass cage, offering high strength and suitability for demanding applications. |
718/710 ACMB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row angular contact design, combined with a 30° contact angle, provides excellent rigidity and is specifically engineered to support high combined radial and axial loads.
- Precision Performance: Manufactured to a P6 tolerance class, this bearing ensures high running accuracy and low noise levels, making it ideal for precision machinery.
- Robust Construction: The use of chrome steel for both rings and balls, along with a machined brass cage (MB), ensures high mechanical strength, dimensional stability, and reliable operation under heavy loads.
- Optimized Lubrication: The open seal type allows for flexible lubrication strategies, enabling the use of specialized greases or oil systems to achieve the required performance and service life.
718/710 ACMB Bearing Typical Application Areas
This bearing is suited for heavy-duty industrial applications where precision and high load capacity are critical. Typical uses include:
- Large Industrial Pumps and Compressors
- Heavy-Duty Gearboxes
- Machine Tool Spindles
- Mining and Construction Equipment
- Large Electric Motors
