Self-lubricating sintered bronze bushing

BBZ

Self-lubricating sintered bronze bushing

PRODUCT DETAILS

Type: OUR PRODUCTS
Category: Bushings and sliding bearings

Alloy composition=bronze

Suitable for high speed and low load.
Possibility of solid lubricant (graphite or MoS2).
Good friction factor. Silent working. Reduced tolerances.

Recommended shafts tolerances: h7
Recommended seat tolerances: H7
Standard tolerances for bronze bushings:
CYLINDRICAL BUSHINGS
i.d. 3-79mm = i.d. F7-o.d. r7-H Js13-concentricity IT9
i.d. ≥80mm = i.d. F7-o.d. r8-H Js13-concentricity IT10
FLANGED BUSHINGS
i.d. 3-49mm = i.d. F7-o.d. r7-H Js13-concentricity IT9
i.d. ≥50mm = i.d. F7-o.d. r8-H Js13-concentricity IT10

CHARACTERISTICS

Density (gr./cm³)	6,4-6,8
Static load (Kg./cm²)	400
Dynamic load (PV=Kg./cm² x m/sec.)	18
Max linear speed (m.sec.)	7
Volume of oil impregnation (%)	22
Hardness (HB=Kg./cm²)	25
Friction coefficient	0,030
Traction resistence (Kg./x mm²)	10-20
Elongation (%)	1-2,5
Max thermal temperature (°C)	-40/+80