yDO!BOOKEy[WNz
bearing@@@252 / 392

BOOK݂

10bBOOK̃y[WɈړ܂


Oiles Cermet G Sintered bearings with dispersed solid lubricant Feature Serviceable without the need for lubrication. Features superior heat resistance. Demonstrates superior performance in hot and hard-to-lubricate positions. Materials for machining are available. Density Radial crushing strength Hardness Co-efficient of linear expansion . JIS Z 2507 JIS Z 2243 . 6.4 137o14p HRM43 2.0 Mechanical properties g/cm3 N/mmo2 kgf/mm2p . ~10|5 |1 Relief angle Rake angle Nose radiusi mmj Speed im/minj Cut depth immj Feed imm/revj carbide tooil JISj 2`5K 10`20K 0.40`0.80 100`120 0.20`0.30 0.03`0.10 Lathe turning Condition Cutting tool I.D. class 7 to 8 O.D. class 6 to 7 Length class 8 to 9 Machining accuracy (bushing) Classes here are in JIS standard. This product demonstrates satisfactory performance at the slide surface roughness of 6.3 to 12.5 mRy. The value shown above are for sintered layer. Service range Lubrication condition Service temperature range Allowable max. pressure P N/mmo2 kgf/cm2p Allowable max. velocity V m/som/minp Allowable max. PV value N/mm2Em/sokgf/cm2Em/minp Dry |40`{250 0.50o30p 0.86o490p periodic lubrication |40`{150 0.85o51p 1.65o1,010p 10o102p About the material for machining Although it is not oil-bearing material, it can be used as-is without lubrication. By applying an oil-bearing process or grease after machining, the reduction of wear and extension of life can be achieved. 251Selection Guide Product Air Bearings Metallic Bearing Multi-layer Bearing Plastic Bearing Information Technical Corporate Profi le Information Slide Shifter