OILES 250 Phenol resin bearing

HALF FINISHED PRODUCT CUSTOMIZED PRODUCT

Periodical oil-lub, strong resistance to abrasive friction
Material Product INDEX OILES 250-7(425-07) Bushing material 25S OILES 250-7(425-07) Bar stock 25M OILES 250-7(425-07) Plate material 25P
OILES 250 is a phenol resin bearing using special cloth as base material and impregnated with lubricating oil and other lubricant. Features Reducible of oiling frequency Improved oil film maintainability and wear resistance Superior to metallic bearings in its effectiveness of foreign matter embedding , shock resistance and muffling Excellent resistance to chemical attack and corrosion Material for machining available
Service Range Lub state Periodical lub Oil-lub Service Temperature Range -40~+100 P max. N/mm2{ kgf/cm2} 20{ 204} V max. m/s{ m/min} 3.35{ 201} 15.00{ 900} PV max. N/mm2·m/s{ kgf/cm2·m/min} 2.45{ 1500} 3.25{ 1990} Condition: In the air, Bushing, Shaft Rotation
Mechanical Property #250-03 #250-06 #250-07 #250-17 Specific gravity JIS K 6911 ---------- 1.3~1.4 1.3~1.4 1.3~1.4 1.3~1.4 Tensile strength JIS K 6911 N/mm2{ kgf/mm2} 45{ 4.6} 50{ 5.1} 110{11.2} 95{ 9.7} Bending strength JIS K 6911 N/mm2{ kgf/mm2} 70{ 7.1} 100{10.2} 110{11.2} 105{10.7} Compressive strength JIS K 6911 N/mm2{ kgf/mm2} 124{12.7} ------ 195{19.9} ------ Radial crushing strength JIS Z 2507 N/mm2{ kgf/mm2} 50{ 5.1} 124{12.7} 175{17.9} 165{16.8} Hardness JIS K 6911 ---------- HRM91 HRM60 HRM95 HRM100 Izod impact strength (with-notch) JIS K 6911 J/m{ kgf-cm/cm} 78.5{ 8} 196{20} 157{16} 186{19} Coefficient of linear expansion ASTM D 696 ×10-5-1 2~3 2~3 2~3 2~3 Swelling rate ----- ----- % % 1.5(Room temperature) 3.0(Hot water) ------ ------ 1.5(Room temperature) 3.6(Hot water) 0.6(Room temperature) 1.2(Hot water) Base material (Note 1) ----- ---------- Chip, others Sheet Sheet Sheet * Values above are nominal values, not standard values. (Note 1) Base materials: Chip or others: Base materials: Sheet In the case that material form is chip, above values are measured in perpendicular and parallel directions to forming, for tensile/compressive/impact strengths, and for bending strength, respectively. In the case that material is sheet, values are measured in perpendicular and parallel directions to layer, for bending/compressive/impact strengths, and for tensile strength, respectively
Test Data
Oscillating motion test with intermixed foreign matter (molding sand) <Test conditions> Dimensions of specimen: 40×50×L30 Mating material: S45C quenched(HRC45, surface roughness 3mRy) Load: 19.6N/mm2 {200kgf/cm2} Velocity: 0.014m/s {0.84m/min} Oscillating cycle: 60cpm Oscillating angle: ±10° Lubrication: 1.8 gr of mixture of lithium grease with 0.5 wt% foreign matter
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