www.jbj.co.uk/couplings.html #DriveLineHarmony ® SIT-LOCK 3 hub applications without spacer. Recommended for high rotation speeds. Locking two shafts and a ® hub using SIT-LOCK 4. Only one locking device is used for locking 3 components. Simultaneously locking two ® sprockets using SIT-LOCK 4. Joining a timing belt pulley and ® a brake disc with SIT-LOCK 5A. Locking a hub while also generating an axial force to axially lock a bearing. ® SIT-LOCK 19 » Not self-centring. » High transmissible torques. » Available on request for shaft diameters of 70 to 320 mm. » No axial displacement when tightening the screws. » Quick installation and removal. » ® Outer diameter larger than SIT-LOCK 4 - 4A. ® SIT-LOCK 20 » Self-centring. » Available on request for shaft diameters of 45 to 600 mm. » No axial displacement during assembly. » Good concentricity and perpendicularity. » High transmissible torques. » ® Interchangeable with SIT-LOCK 4 - 4A in terms of both dimensions and features. ® SIT-LOCK Application Examples ® SIT-LOCK Customised Versions Available on Request 50
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