Bore codes

• Type B: without keyway

• Type K: with keyway (from d₁ = 30)

Hub

Aluminum AL

Anodized, natural color

Coupling spider

Polyurethane (TPU)

temperature resistant up to 60°C

Hardness

80 Shore A, blue BS

92 Shore A, white WS

98 Shore A, red RS

• Steel, blackened
• For d₂ / d₃ = 4, one grub screw
• For d₂ / d₃ > 4, two grub screws