7312 BEGAP
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7312 BEGAP
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.75 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.015mm to 0
Width
31 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2.1 mm
Contact angle
40 °
Distance from side face to load point
55 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
87.25 mm
Inner ring small-side shoulder diameter
72.6 mm
Outer Ring Dimensions
Shoulder diameter outer ring
104.8 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
23400 lbf
Radial static load rating
17212 lbf
Limiting speed
6.7 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
No drawings available at the moment, will be launched soon
Price:
$ 50.49
/ each
In Stock
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7312 BEGAP Bearing Product Overview & Core Advantages
The 7312 BEGAP is a single row angular contact ball bearing engineered for high-precision applications requiring exceptional rigidity and high-speed performance. Designed to accommodate primarily axial loads in one direction, combined with moderate radial loads, its optimized internal geometry and precision manufacturing ensure reliable operation in demanding environments. The bearing features a P6 (ABEC-3) tolerance class for superior running accuracy and a 40° contact angle for excellent axial load-carrying capacity, making it ideal for machine tool spindles and other high-performance rotational systems.
7312 BEGAP Bearing Model Code Explained, Specifications & Naming Convention
The model designation 7312 BEGAP provides detailed technical specifications:
- 73: Indicates a specific bearing series with a 40° contact angle.
- 12: Denotes the bore diameter; 12 × 5 = 60 mm.
- BE: Signifies an optimized internal design with enhanced load capacity.
- GA: Indicates the use of a Nylon cage for reduced weight and superior high-speed performance.
- P: Denotes a P6 tolerance class (equivalent to ABEC-3) for high precision.
7312 BEGAP Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row angular contact design, combined with a 40° contact angle and robust construction, provides excellent resistance to axial loads and moderate radial loads, ensuring stable operation under combined loading conditions.
- High-Speed Performance: The lightweight Nylon cage (GA) minimizes centrifugal forces, reduces friction, and allows for a high limiting speed of 6,700 rpm. This makes the bearing suitable for high-speed spindles and precision machinery.
- Precision & Accuracy: Manufactured to P6 (ABEC-3) tolerance standards, the bearing ensures minimal runout and vibration, contributing to enhanced machine accuracy and extended service life.
- Material & Durability: Constructed from Chrome Steel for both rings and balls, the bearing offers high hardness, wear resistance, and durability, capable of operating within a temperature range of -30°C to 110°C.
7312 BEGAP Bearing Typical Application Areas
The 7312 BEGAP is widely used in high-precision and high-speed applications, including:
- Machine Tool Spindles: Provides high rigidity and precision for milling, grinding, and turning centers.
- High-Speed Motors & Pumps: Ideal for applications requiring reliable performance at elevated speeds.
- Precision Gearboxes: Ensures accurate positioning and smooth operation in transmission systems.
- Industrial Robotics: Used in robotic arm joints and actuators for precise motion control.
