718/750 ACMB
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
718/750 ACMB
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
110 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
750 mm
Bore diameter tolerance
-0.05mm to 0
Outside diameter
920 mm
Outside diameter tolerance
-0.06mm to 0
Width
78 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
5 mm
Contact angle
40 °
Distance from side face to load point
234 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
807.3 mm
Outer Ring Dimensions
Shoulder diameter outer ring
866.5 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
146250 lbf
Radial static load rating
405000 lbf
Limiting speed
0.63 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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718/750 ACMB Bearing Product Overview & Core Advantages
The 718/750 ACMB is a single row angular contact ball bearing designed for demanding applications requiring high precision and reliability. Engineered with a 40° contact angle, it excels at supporting combined loads, effectively managing substantial axial loads in one direction alongside radial loads. Manufactured to a P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy. Its open design facilitates optimal lubrication management, making it suitable for high-performance systems where speed and load capacity are critical.
718/750 ACMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 718/750 | Bearing series and bore diameter. 750 mm bore. |
| A | Signifies a 30° contact angle design (Note: This bearing features a 40° angle, please verify specific series designation). |
| C | Indicates a modified internal design for enhanced performance. |
| MB | Designates a brass machined cage. |
718/750 ACMB Bearing Structural Features & Performance Benefits
- High Load Capacity: The 40° contact angle and robust construction of chrome steel components provide a high radial dynamic load rating of 146,250 lbf and an exceptional radial static load rating of 405,000 lbf, ensuring reliable operation under significant combined loads.
- Precision & Rigidity: Manufactured to P6 tolerance with a machined brass cage, this bearing offers high running accuracy and stability, which is crucial for minimizing vibration and maintaining system precision.
- Optimized Lubrication: The open seal type allows for versatile lubrication options, enabling the use of advanced greases or oil systems to achieve the required performance within the specified temperature range of -30° to 110 °C.
- Durability: Constructed from high-grade chrome steel for both rings and balls, the bearing ensures long service life and resistance to wear in rigorous industrial environments.
718/750 ACMB Bearing Typical Application Areas
This bearing is ideally suited for heavy-duty machinery and precision equipment, including:
- Large Industrial Gearboxes
- Heavy-Duty Pumps and Compressors
- Machine Tool Spindles
- Mining and Construction Equipment
- Large Bore Precision Applications
