4 x 4 mm flat needle rollers for Cross Roller Bearing

4 x 4  mm flat needle rollers for Cross Roller Bearing

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 you need,just feel free to contact with us.

Sophia

Skype:

Tel:+86