OILLESS GUIDE BUSHINGS GUIDE BUSHINGS Oilless Thrust Bush BronzeYI.D. F7YO.D. m6 Type Oilless Thrust Bush Split Bushing Mating post tolerance d8 :General use(high load) e7 :General use(light load) f7 :High precision Other operating conditions and characteristics · Can be used in the atmosphere and fresh water (on condition). · Good performance in operation under high load and at low speed. When the product is used at high temperature (150 ˚C or more), the embedding specification of solid lubricant is different. Please contact us for details. Inner diameter tolerance (in case housing hole H7) Before press-fit: F7 After press-fit: H7 t Other operating conditions and characteristics Mating post tolerance ・Tolerance · Can be used in the atmosphere and fresh 　e7 :General use(light load) water (on condition). f7 :High precision · Good performance in operation under high ・Surface raughness Ra 0.2n0.8lm load and at low speed. ・Hardness Over tempering When the product is used at high temperature (150 ˚C or more), the embedding specification of solid lubricant is different. Please contact us for details. Material Base Bronze with Graphite(SP2) Solid lubricant(GR-1) qOperation Range Environment Condition Atmosphere No lubrication Regular lubrication(Grease) Max. Allowable Sliding Speed V Max. Allowable PV value Operation Range Temperature 2 m/min N/mm Ym/min ˚C Lubricating Condition Lubricant Type Environment Condition Atmosphere Regular lubrication(Grease) Max. Allowable Sliding Speed V Max. Allowable PV value Operation Range Temperature 2 ˚C m/min N/mm Ym/min 15 qPhysical Properties qPhysical Properties Specific Gravity 3 g/cm Linear Expansion Coefficient ×10−5/˚C Linear Expansion Coefficient ×10−5/˚C Metal Sliding Materials Lubricating Condition Material Base Bronze with Graphite(SP2) Solid lubricant(GR-1) qOperation Range Lubricant Type Solid lubricant is not through only for d=50. t (Shaft Diameter)