70/1180 AMB
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
70/1180 AMB
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1350 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
1180 mm
Bore diameter tolerance
-0.075mm to 0
Outside diameter
1660 mm
Outside diameter tolerance
-0.115mm to 0
Width
212 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
9.5 mm
Contact angle
40 °
Distance from side face to load point
516 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
1379 mm
Inner ring small-side shoulder diameter
1308 mm
Outer Ring Dimensions
Shoulder diameter outer ring
1472 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
391500 lbf
Radial static load rating
1395000 lbf
Limiting speed
0.28 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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70/1180 AMB Bearing Product Overview & Core Advantages
The 70/1180 AMB is a single row angular contact ball bearing engineered for exceptional performance in demanding industrial applications. This precision bearing is designed to accommodate high combined loads, simultaneously handling significant radial loads and thrust loads in one direction. Its 40° contact angle and P6 (ABEC-3) tolerance class ensure high running accuracy and rigidity, making it ideal for applications requiring precise shaft positioning and smooth operation under heavy-duty conditions.
70/1180 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 70/1180 | Bearing series and bore diameter (1180 mm) |
| AMB | Manufacturer's internal designation for this specific angular contact design and configuration |
70/1180 AMB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row design with a 40° contact angle provides optimized support for heavy combined loads. The robust construction, featuring chrome steel rings and balls, delivers a high radial dynamic load rating of 391,500 lbf and a radial static load rating of 1,395,000 lbf.
- Precision Performance: Manufactured to a P6 tolerance class (ABEC-3), this bearing ensures minimal runout and vibration, contributing to the overall accuracy and longevity of the machinery.
- Optimized Cage Design: The brass cage offers excellent durability and guidance, suitable for the application's operational demands.
- Pre-lubricated & Ready for Service: The bearing is supplied lubricated, facilitating immediate installation and initial operation.
70/1180 AMB Bearing Typical Application Areas
This large-bore angular contact ball bearing is typically employed in heavy industrial machinery where high precision and load capacity are paramount. Key applications include:
- Large Gearboxes and industrial power transmission systems
- Heavy-Duty Pumps and Compressors
- Main spindles in large-scale machine tools
- Mining and mineral processing equipment
- Specialized rolling mills
