Material standard: GCr 15 Hardness standard: HRC60-64 Grade:G1,G2,G3 length tolerance:0.2 diameter tolerance:0.0008 TIR:0.0006 Ra:0.05 End surface shape: round, flat,crowning Surface finishing: polish-grind,superfinish grinding Diameter: .031 to 1.250 inch 787 to 31.750 mm • Length: .125 to 8.000 inch 3.17 to 203.20 mm • Available in inch and metric sizes • Superior roundness and finish • Typical materials: 52100, 8620, 440C, M50 • Other materials available If any product need your demand, please feel free to contact us. Catalogue & Free samples can be offered if price contact. Bearing needle rollers Precision needle rollers have multiple uses in a variety of applications. Needle rollers are mainly used as bearing rolling elements to transmit torque and reduce friction. They can also serve as precision shafts or as precision locating pins. Size Range Diameter: .031" to 1.000" (1.25mm to 31.750mm) Length: .125" to 3.000" (2.49mm to 76.2mm) Standard Material - 52100 chromium steel - 8620 alloy steel - 440C stainless steel - M50 tool steel Design Attributes Needle rollers with a controlled contour profile are available to reduce end stresses. Special end forms provide performance benefits for specific kinds of applications. Application Automotive and heavy truck Farm and construction equipment Consumer durables Two-cycle engines Outboard engines
High Precision,High Rigidity
3-10 Days depend on quantity
Needle roller pins are used in needle bearings,cylindrical roller bearings,and motors ect.
Packing Details : Carton+Pallet
Delivery Details : 3-30 days after order confirmation