Product information BRO-MAS® Cylindrical bushing (BSZ):
Material
CuZn25Al5 (standard alloy; also available in other metal alloys)
Product Properties
Maintenance: required (oil or grease lubrication)
Static load: ≤ 200 N/mm²
Dynamic load: ≤ 150 N/mm²
Sliding speed: ≤ 10 m/s
Friction value: 0.09 to 0.15
Temperature strain: -40 up to +300 °C
Max. pv-value: 1.8 N/mm² x m/s
Hardness: 190-220 HB
Tolerance details
Housing: ø H7
Bushing inner ø after mounting: E7/s6 (up to 120 ø: r6)
Shaft tolerance: f7
Shaft material
Hardness difference to bearing should be at least 100 HB; if possible hardened and ground, roughness ≤ Rz 6.3
Mounting advice
Housing: installation chamfer, approx. 1.5 mm x 15 to 45°
Shaft: installation chamfer, 5 mm x 15°, edges rounded
Installation mandrel recommended; grease lubrication of outer surfaces may be necessary during installation
Range of application
Machine construction, construction machinery, agricultural machinery, crane construction, vehicle construction
