Bore codes

• Type B: Without keyway
• Type K: With keyway DIN 6885-1 P9 (from d₁ = 30)

Hub

Coupling spider

Thermoplastic polyurethane (TPU)

• Operating temperature -20 °C to +60 °C

• Hardness

• 80 Shore A, blue BS

• 92 Shore A, white WS

• 98 Shore A, red RS

Grub screws

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