RUKO SPB-DIN340-7,8mm polia de correia trapezoidal, 340 mm de diâmetro exterior, furo de 7,8 mm, ferro fundido cinzento

With a 340 mm outer diameter and SPB profile, this V-belt pulley delivers reliable power transmission in industrial applications. The grey cast iron construction provides durability, while the phosphate coating adds corrosion protection.

Overview

The RUKO SPB-DIN340-7.8mm is a single-groove V-belt pulley designed for shaft mounting. It features a plain bore of 7.8 mm without keyway or set screw holes. Manufactured to DIN 2211 / ISO 4183, it is dynamically balanced to grade G 6.3, suitable for peripheral speeds up to 30 m/s.

What stands out

• SPB profile for high-power transmission
• Grey cast iron (GG20 / GJL-200) for strength and wear resistance
• Phosphate coated for corrosion protection
• Dynamically balanced to G 6.3 for smooth operation
• Solid hub design for reliable shaft mounting

Technical details

• Pulley type: V-belt pulley
• V-belt profile: SPB
• Outer diameter: 340 mm
• Bore diameter: 7.8 mm
• Number of grooves: 1
• Material: Grey cast iron (GG20 / GJL-200)
• Manufacturing standard: DIN 2211 / ISO 4183
• Balancing grade: G 6.3
• Surface treatment: Phosphate coated
• Hub design: Solid hub
• Keyway: No keyway (plain bore)
• Set screw holes: No set screw holes
• Maximum peripheral speed: 30 m/s
• Application: General industrial power transmission

Our verdict

A robust and precisely balanced pulley for demanding industrial drives, offering corrosion protection and long service life.