Bearing NN 3020 K/C181DIN KOYO






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Product detailed description
The KOYO NN 3020 K/C181DIN is a super-precision double-row cylindrical roller bearing that offers a unique balance between load-carrying capacity, rigidity, and speed. Its design is optimized for applications requiring high radial load capacity and precise axial displacement accommodation.
Key Features:
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High Radial Load Capacity: Engineered to support substantial radial loads, making it suitable for demanding applications.
-
Axial Displacement Accommodation: The design allows for axial displacement in both directions, enhancing operational flexibility.
-
Separable Design: Facilitates easy mounting and dismounting, particularly beneficial when both rings require an interference fit.
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Tapered Bore: Enables accurate adjustment of clearance or preload during installation, ensuring optimal performance.
Technical Specifications:
-
Dimensions:
- Bore Diameter (d): 100 mm
- Outside Diameter (D): 150 mm
- Width (B): 37 mm
-
Load Ratings:
- Basic Dynamic Load Rating (Cr): 157 kN
- Basic Static Load Rating (C0r): 265 kN
- Fatigue Load Limit (Cu): 33.3 kN
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Speed Ratings:
- Limiting Speed for Grease Lubrication: 5,600 r/min
- Limiting Speed for Oil-Air Lubrication: 6,300 r/min
-
Design and Material:
- Design: NN (Double-row, separable)
- Cage: Non-metallic
- Material: Bearing Steel
- Coating: Without
- Sealing: Without
- Lubricant: None
-
Additional Features:
- Radial Internal Clearance: C1
- Tolerance Class: SP
- Relubrication Feature: Annular Groove and Lubrication Holes
This bearing is ideal for applications requiring high precision and load capacity, such as machine tool spindles and other high-speed machinery.

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