70/750 AMB
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
70/750 AMB
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
445 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
1090 mm
Outside diameter tolerance
-0.075mm to 0
Width
150 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
7.5 mm
Contact angle
40 °
Distance from side face to load point
341 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
884 mm
Inner ring small-side shoulder diameter
820 mm
Outer Ring Dimensions
Shoulder diameter outer ring
966 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
292500 lbf
Radial static load rating
821250 lbf
Limiting speed
0.56 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
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70/750 AMB Bearing Product Overview & Core Advantages
The 70/750 AMB is a single row angular contact ball bearing designed for exceptional performance in demanding applications. Engineered to simultaneously handle radial loads and axial loads in one direction, this precision bearing offers high rigidity and reliable operation. Its P6 (ABEC-3) tolerance class ensures superior running accuracy, making it ideal for high-precision machinery. The large 750 mm bore and robust construction provide outstanding load-carrying capacity, while the brass cage contributes to smooth operation at its specified speeds.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 70/750 | Bearing series and bore diameter (750 mm) |
| AMB | Angular contact ball bearing designation |
70/750 AMB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 40° contact angle and optimized internal geometry enable the bearing to handle significant combined radial and axial loads. With a dynamic load rating of 292,500 lbf and static load rating of 821,250 lbf, it delivers exceptional durability.
- Precision Performance: Manufactured to P6 tolerance class (ABEC-3), this bearing ensures minimal runout and vibration for high-precision applications.
- Optimized Cage Design: The brass cage provides excellent strength and guidance, contributing to stable operation and extended service life.
- Material Quality: Constructed from chrome steel for both rings and balls, offering high hardness, wear resistance, and dimensional stability across the operating temperature range of -30° to 110°C.
70/750 AMB Bearing Typical Application Areas
- Large Industrial Machinery: Heavy-duty pumps, compressors, and gearboxes
- Precision Equipment: Large machine tool spindles and precision rotary tables
- Material Handling: Crane and hoist machinery, large conveyor systems
- Industrial Fans & Blowers: High-capacity ventilation and air handling equipment
