La description

Guide bushes DIN 9834 / ISO 9448, bronze, maintenance-free with... of German company Norelem is manufactured of first-rate quality materials and is renowned for its exceptionally functional features and outstanding quality, evidenced by certificates ISO 9001 2008, RoHS, REACh and I-Q Net.Norelem offers a wide range of products which are suited for various applications. Brand products are used in machine building, plant engineering applications and other areas.
Material:Bronze with graphite inserts.Version:Self-lubricating.Hardness 190-220 HB.Note:The guide bushes are radially and axially applicable.The bearing elements are maintenance-free and wear-resistant.The graphite inserts provide life-long lubrication.Preferably for travel speeds < 0.5 m/s. (Additional lubrication is recommended for extreme loading with a higher travel speeds).Technical data:

Material properties:Base alloy: CuZn25Al6FeMn3Density: 8.0 g/cm3Tensile strength Rm: 750 N/mm2Yield point: 450 N/mm2Ductile fracture A5: 5-8%Friction coefficient: 0.05 - 0.12Maximum speed: 15 m/minThermal conductivity: 50 W/m x kThermal expansion coefficient: 18 x 10-6Electrical conductivity: 7-8 m/(Ω x mm2)Solid lubricant content: 25-30 %

Temperature range:Temporary temperature peaks up to ca. 200°C.Accessory:Retaining clips.23682.Tolerances:The bore for the bearings should correspond to ISO tolerance H7.The tolerance h6 to h7 is recommended for the shaft.
Order No.DD1D2D3LL1L2L3RCADAcc.Order
23681-0240320400024323240406,33-3
23681-0250320320025323240326,34-3
23681-0250320401025323240406,33103
23681-0250320400025323240406,34-3
23681-0320400501232404050506,34123
23681-0400500631540505063636,35153
23681-0500630711750636371716,36,3175
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