Ležaj - ZARF 3080 TNA-NA INA
Povezani proizvodi
Detaljan opis proizvoda
The INA ZARF 3080 TNA-NA is a double-direction axial needle roller and cage assembly engineered for screw drive systems. This bearing combines needle rollers with a polyamide cage to provide high load capacity and operational reliability.
Technical Specifications:
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Dimensions:
- Inner diameter (d): 30 mm
- Outer diameter (D): 80 mm
- Width (B): 50 mm
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Load Ratings:
- Basic dynamic load rating, axial (Ca): 39,000 N
- Basic static load rating, axial (C0a): 101,000 N
- Basic dynamic load rating, radial (Cr): 24,300 N
- Basic static load rating, radial (C0r): 41,500 N
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Speed Limits:
- Limiting speed for oil lubrication (nG): 5,500 rpm
- Limiting speed for grease lubrication (nG): 1,800 rpm
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Design Features:
- Polyamide cage (TN)
- Double-direction design
- No seal
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Mounting Dimensions:
- Maximum diameter of housing shoulder (Da max): 53 mm
- Minimum diameter of shaft shoulder (da min): 44 mm
- Height outer ring over wave washer (H1): 33 mm
- Width, outer ring (C): 18 mm
- Width, inner ring (C1): 10 mm
- Distance to lubrication hole (D1): 52 mm
- Pitch circle diameter (holes) (J): 63 mm
- Number of screwing holes (n): 12
- Screw size (M6)
- Division (screwing holes) (na x ta): 30°
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Additional Information:
- Operating temperature range: -30°C to 120°C
- Axial rigidity (caL): 2,200 N/µm
- Tilting stiffness (ckL): 520 Nm/mrad
- Mass moment of inertia (Mm): 1.46 kg·cm²
- Axial runout radial (ZMA30/52): 1 µm
- Recommended INA precision locknut for radial locking: MA
- Tightening torque nut (MA): 32 Nm
This bearing is ideal for applications requiring high axial load capacity and precise rotational performance, such as in screw drive systems.
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