RUKO SPB puleggia per cinghia trapezoidale DIN 1869, foro 9,5 mm, 1 gola, ghisa

In industrial power transmission, a mismatched or out-of-tolerance pulley causes belt slip, vibration, and premature wear. This SPB-profile V-belt pulley from RUKO provides a precise, statically balanced drive component for reliable machinery operation.

Who is it for

Maintenance technicians, machine builders, and drive system engineers who need a durable, standard-compliant pulley for SPB V-belts in industrial applications.

Main features

• SPB profile, 1 groove, for SPB V-belts
• Outer diameter 180 mm, pitch diameter 171 mm
• Bore diameter 9.5 mm with H7 tolerance, plain bore for shaft mounting
• Cast iron EN-GJL-200 (GG20) body, machined grooves and bore
• Statically balanced, no keyway or set screw

Specifications

• Standard: DIN 1869
• Outer diameter (Da): 180 mm
• Pitch diameter (dp): 171 mm
• Number of grooves: 1
• Bore diameter (d): 9.5 mm
• Bore tolerance: H7
• Overall width (Lw): 25 mm
• Hub diameter (Dh): 50 mm
• Hub length (Lk): 25 mm
• Material: Cast iron EN-GJL-200 (GG20)
• Surface finish: Machined (grooves and bore), cast (body)
• Balancing: Statically balanced
• Keyway: No
• Set screw: No
• Application: Industrial power transmission, machinery, drives
• Mounting type: Plain bore for shaft mounting
• Recommended V-belt: SPB profile V-belts
• Corrosion protection: Untreated / oiled

Tips

Verify shaft diameter and keyway requirements before installation. For high-speed applications, dynamic balancing may be required.