JDB-5 is reinforced product of JDB series. It is based steel GCr15 and embedded with solid lubricant. It is of high compress strength and particularly suitable for support or low, middle and high load. Due to its superb high hardness, when under high load, it over performs than other JDB type. Not suitable for water, acid, alkali circumstances. Most suitable for the supporting position of hoisting machine, e.g. bulldozer supporter, hoister supporter, reeling machine supporter etc.
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Material Structure and Composition
 Solid Lubricant Inserts


 
Steel(GCr15)

Material Specification
Base Material Hardness Similar Foreign Code Application conditions
GCr15 HB230~270 BRITISH
STANDARD		 America
ASTM		 Germany Japan
JIS		 High Load, Low speed
534A99 E52100 100Cr6(1.3505) SUJ2


Material composition of  GCr15
c% Si% Mn% P% S% Cr% O% Fe%
0.95~1.05 0.15~0.35 0.25~0.45 <=0.025 <=0.025 1.40~1.65 <=15ppm Balance


Physical Characteristic
Load Capacity Friction Coef (¦Ì) Temperature max PV Limit Dynamic Load Limit SpeedLimit
70N/mm2 <0.17 350¡æ 2.5N/mm2*m/s 250N/mm2 0.1m/s

Specification Size

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