71964 AC
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
71964 AC
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
25.5 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
320 mm
Bore diameter tolerance
-0.03mm to 0
Outside diameter
440 mm
Outside diameter tolerance
-0.033mm to 0
Width
56 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
3 mm
Contact angle
25 °
Distance from side face to load point
116 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
359 mm
Outer Ring Dimensions
Shoulder diameter outer ring
404 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
78975 lbf
Radial static load rating
131625 lbf
Limiting speed
1.6 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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71964 AC Bearing Product Overview & Core Advantages
The 71964 AC is a single row angular contact ball bearing designed for precision applications requiring high rotational accuracy and reliability. Engineered to accommodate combined loads, it efficiently handles both radial and substantial axial loads in one direction. Its P6 (ABEC-3) tolerance class ensures superior running accuracy, making it ideal for high-performance machinery. The bearing is pre-lubricated for immediate use and features an open design for application-specific lubrication management.
71964 AC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71964 | Basic bearing designation indicating the bearing size with a 320 mm bore and 440 mm outside diameter. |
| AC | Denotes Angular Contact design with a 25° contact angle for optimal axial load capacity. |
71964 AC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row angular contact construction, combined with a 25° contact angle, provides excellent rigidity and enables the bearing to support significant combined loads.
- Precision Performance: Manufactured to P6 (ABEC-3) tolerance class, this bearing guarantees high running accuracy and minimal vibration, essential for precision applications.
- Optimized Cage Design: The Nylon cage contributes to smooth operation, lower friction, and is suitable for the bearing's limiting speed of 1,600 rpm.
- Superior Material: Constructed from Chrome Steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan.
71964 AC Bearing Typical Application Areas
This angular contact ball bearing is ideally suited for:
- Machine Tool Spindles
- Precision Gearboxes
- Industrial Pumps and Compressors
- High-Speed Medical Equipment
- Robotics and Automation Systems
