9-6 www.vibrationmounts.com  Phone:  516.328.3662  Fax:  516.328.3365   .250     (6.35)   .250     (6.35)   .375     (9.53)   .250     (6.35)   .375     (9.53)   .375     (9.53)   .500 (12.7) 15/64     (6) 5/16   (7.9) 25/64   (9.9) 15/32 (11.9) Couplings – Flexible – Spline Type FEATURES: • High rpm • Electrically Isolated • Dampens Shock & Vibration • No Lubrication MATERIAL:  Spline – Hytrel or Polyurethane                          Hub – Zinc Alloy Die Casting (Sizes 16, 20, 25)     Sintered Metal (Size 32) Catalog NumberD V  5D28-1608 V  5D28-2008 V  5D28-2012 V  5D28-2508 V  5D28-2512 V  5D28-3212 V 5D28-3216 MISALIGNMENT COMPENSATION Max. Angular Offset –  2° Max. Lateral Offset –  .008 (0.2) 1-1/16     (27) 1-11/32 (34.1) 1-39/64 (40.9) 1-57/64     (48) 15/32 (11.9) 19/32 (15.1) 45/64 (17.9) 53/64   (21) 5/16   (7.9) 25/64   (9.9) 15/32 (11.9) 9/16 (14.3) 7/16 (11.1) 35/64 (13.9) 21/32 (16.7) 25/32 (19.8) 1/8 (3.2) 5/32    (4) 13/64 (5.2) 15/64    (6) .315   (8) .394 (10) .472 (12) .591 (15) V  5Z23-1608 V  5Z23-2008 V  5Z23-2012 V  5Z23-2508 V  5Z23-2512 V  5Z23-3212 V  5Z23-3216 V  5R23-16 V  5R23-20 V  5R23-25 V  5R23-32 Rated Torque lb. in. (N • m) Coupling Size 16 20 25 32   6.6  (0.75) 13.3  (1.5) 20.4  (2.3) 39.8  (4.5) Max. rpm 24000 19000 15000 12000 Hytrel Polyurethane   4.4  (0.5)   8.8  (1) 13.3  (1.5) 26.6  (3) HYTREL SPLINE FOR HEAVY-DUTY NOTE:  Dimensions in (  ) are mm. **Other bore diameter combinations and bore sizes not exceeding the maximum listed above are available on special order. DTo complete the Catalog Number, specify: 8   for a Polyurethane Spline 9   for a Hytrel Spline Example:  For a Complete Coupling with a Polyurethane Spline, specify Catalog Number V  5Z28-2008. 3 3 #4-40 #6-32 5/8 (15.9) 25/32 (19.8) 1 (25.4) 1-1/4 (31.8) Hub Only Complete Coupling Spline Only O.D. D K M L Length Spline Bore E Spline Length T Set Screw Max. Bore ** B Bore +.001 -.000 +0.025 (        ) TEMPERATURE RANGE:  Hytrel -22°F to +212°F                                                    (-30°C to +100°C)                                             Polyurethane -4°F to +140°F                                                                 (-20°C to +60°C) T (2 at 90°) B K E K 2 O.D. D (TYP) M L 0