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Bearing QJ 219 N2/MPA STEYR
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Product detailed description
The QJ 219 N2/MPA is a four-point contact ball bearing manufactured by Schaeffler under the FAG brand. This bearing is engineered to accommodate high axial loads in both directions and small radial loads, making it ideal for applications requiring high-speed performance and compact axial space.
Technical Specifications:
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Dimensions:
- Bore diameter (d): 95 mm
- Outside diameter (D): 170 mm
- Width (B): 32 mm
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Load Ratings:
- Basic dynamic load rating (Cr): 190,000 N
- Basic static load rating (C0r): 212,000 N
- Fatigue load limit (Cur): 10,400 N
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Speed Ratings:
- Limiting speed (nG): 7,000 rpm
- Reference speed (nϑr): 3,700 rpm
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Design Features:
- Split inner ring for easy assembly and disassembly
- Solid brass cage (MPA) for high-speed capability
- Two retaining grooves in the outer ring (N2) to prevent outer ring rotation
- Contact angle: 35°
- Temperature range: -30°C to 150°C
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Mounting Dimensions:
- Minimum shaft shoulder diameter (da min): 107 mm
- Maximum housing shoulder diameter (Da max): 158 mm
- Maximum fillet radius (ra max): 2.1 mm
- Minimum chamfer dimension (rmin): 2.1 mm
- Shoulder diameter of outer ring (D1): 144.4 mm
- Shoulder diameter of inner ring (d1): 121 mm
- Distance between the apexes of the pressure cones (a): 93 mm
- Distance between the apexes of the pressure cones (an): 8.1 mm
- Height of retaining slot (bn): 6.5 mm
- Width of retaining slot (rn): 1 mm
- Radius of retaining slot (r): 1 mm
- Angle of retaining slot (α): 35°
This bearing is commonly used in applications such as gearboxes, where axial loads occur in both directions and a compact axial design is required. Its high-speed capability and robust design make it suitable for various industrial applications.
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