Needles for bearings are cylindrical steel rollers with pointed ends, designed to transmit motion and reduce friction in a wide range of industrial applications. Their unique shape and superior materials make them an essential component in bearings that demand precision, efficiency, and extended service life.
Accuracy Specification | Standard Needle Bearings |
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Tolerance Limit | ±0.0001" (0.0025 mm) |
Roundness Tolerance | ±0.00005" (0.0013 mm) |
Friction Reduction | Standard Needle Bearings |
---|---|
Friction Coefficient | 0.002 - 0.005 |
Power Savings | Up to 30% compared to ball bearings |
Durability Specifications | Standard Needle Bearings |
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Hardness Rating (HRC) | 58 - 62 |
Life Expectancy | Over 10,000 hours at rated loads |
Q: What is the difference between needle bearings and other types of bearings?
A: Needle bearings have a cylindrical shape with pointed ends, while other bearings have spherical (ball bearings) or tapered (roller bearings) shapes.
Q: What applications are suitable for needle bearings?
A: Needle bearings are ideal for high-speed, high-load applications in industries such as automotive, aerospace, and medical equipment.
Q: How do I determine the right needle bearing size?
A: Refer to technical specifications provided by bearing manufacturers or consult with a qualified engineer to determine the optimal bearing size based on application requirements.
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