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Guide Sleeve 3115212400 For Hydraulic Cylinder

Guide Sleeve 3115212400 For Hydraulic Cylinder

OEM Part Number: 3115212400
Product Type: Guide Bushing
Main Function: Guiding and supporting the piston rod of a hydraulic cylinder
Key Features: High wear resistance, low friction coefficient, and impact resistance
Applicable Equipment: Hydraulic cylinders for construction machinery

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Product Introduction

Guide Sleeve 3115212400 for Hydraulic Cylinder

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Products information

Base Material: QT500-7 Ductile Iron (GB/T 1348)
Surface Treatment: Phosphate Treatment (GB/T 11376)
Hardness: HB 190-230 (GB/T 231.1)
Tensile Strength: ≥ 500 MPa (GB/T 228.1)
Yield Strength: ≥ 320 MPa (GB/T 228.1)
Elongation: ≥ 7% (GB/T 228.1)

Detailed Technical Specifications

Outer Diameter D: 120mm K6 (+0.003/+0.023)
Inner Diameter D: 90mm H8 (+0.054/0)
Total Length L: 60mm ±0.3mm
Mounting Chamfer C: 2 x 15° mm ±0.5mm
Oil Groove Width W: 6mm ±0.2mm
Oil Groove Depth H: 1.5mm ±0.1mm
Number of Oil Grooves N: 8
Maximum Operating Pressure: 35MPa, hydraulic pressure test
Operating Temperature Range: -40 to +150°C
Friction Coefficient: ≤ 0.15, friction test
Wear Resistance: ≥ 5,000h, life test
Impact Resistance: ≥ 30J, impact test