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Bearing 7212 ACD/P4A SKF
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Product detailed description
The SKF 7212 ACD/P4A is a super-precision, single-row angular contact ball bearing engineered for high-speed and high-accuracy applications. It is designed to accommodate both radial and axial loads acting simultaneously, with the axial load acting in one direction only. This bearing is particularly suitable for machine tool spindles and other precision machinery requiring high running accuracy and load-carrying capacity.
Technical Specifications:
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Dimensions:
- Bore diameter (d): 60 mm
- Outside diameter (D): 110 mm
- Width (B): 22 mm
- Shoulder diameter of inner ring (d1): 76.4 mm
- Shoulder diameter of outer ring (D1): 93.6 mm
- Chamfer dimensions (r1,2 min.): 1.5 mm
- Chamfer dimensions (r3,4 min.): 0.6 mm
- Distance from side face to pressure point (a): 30.9 mm
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Load Ratings:
- Basic dynamic load rating (C): 55.3 kN
- Basic static load rating (C0): 45 kN
- Fatigue load limit (Pu): 1.9 kN
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Speed Ratings:
- Attainable speed for grease lubrication: 11,000 rpm
- Attainable speed for oil-air lubrication: 18,000 rpm
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Contact Angle:
- α = 25°
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Ball Diameter:
- Dw = 14.288 mm
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Number of Balls:
- z = 16
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Preload and Stiffness:
- Preload class A (GA): 350 N
- Static axial stiffness, preload class A: 182 N/µm
- Preload class B (GB): 700 N
- Static axial stiffness, preload class B: 238 N/µm
- Preload class C (GC): 1,400 N
- Static axial stiffness, preload class C: 315 N/µm
- Preload class D (GD): 2,800 N
- Static axial stiffness, preload class D: 424 N/µm
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Mass:
- 0.81 kg
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Tolerance Class:
- P4A
This bearing is universally matchable, allowing for effective load sharing when used in pairs or sets without the need for shims or similar devices. It offers very high running accuracy, load-carrying capacity, and relatively high speed and stiffness, making it suitable for demanding applications in precision machinery.
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SKF Bearings - Quality You Can Rely On
SKF bearings are synonymous with quality and reliability. This renowned manufacturer has a long tradition and provides solutions for a wide range of industrial applications. Whether you need bearings for automotive, machinery, or other specialized sectors, SKF offers products that meet the highest quality standards.
Why Choose SKF Bearings?
- Exceptional Reliability: SKF bearings are designed for long service life and minimal maintenance, reducing repair and replacement costs.
- Innovation: SKF continually focuses on development and innovation to provide solutions that meet the demands of modern industries.
- Wide Range of Products: Whether you need bearings for high loads, extreme temperatures, or high speeds, SKF has a product for every application.
Technical Specifications
SKF bearings are available in different types, including ball, roller, and needle bearings. Each type is designed to deliver optimal performance in various conditions. Choose based on specifications such as diameter, width, material, and other important parameters.
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If you are looking for SKF bearings that meet your specific needs, feel free to reach out to us. Our company will provide you not only with high-quality products but also with expert advice and support in selecting the right bearing for your application. Contact us today and find out how we can help.
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