TORSIONAL COUPLINGS LK SYSTEM DIMENSIONS 29 LK Dimensions for SAE J620 Flywheel Applications 1 Piece Flange Piece Flange 2 Universal Element Coupling Size Nom Torque Rating (Nm) Bore SAE Flywheel Size Flange Dimensions Hubster DIM Assembly DIM Min Max Flange Style DA DT Number & Ø of Holes Flange Thickness H1 L* L1 Mounting Length LK100 400 15 40 6.5 1-piece 215.9 200.0 6 x 8.5 14 65 32 34 23+/-3 7.5 1-piece 241.3 222.3 8 x 8.5 14 32 34 23+/-3 8.0 1-piece 263.5 244.5 6 x 10.5 14 56 58 58+/-3 10.0 1-piece 314.3 295.3 8 x 10.5 14 48 50 50+/-3 LK125 800 20 55 10.0 1-piece 314.3 295.3 8 x 10.5 20 85 48 50 50+/-3 11.5 1-piece 352.4 333.4 8 x 10.5 20 42 46 36+/-3 LK150 1200 25 70 11.5 1-piece 352.4 333.4 8 x 10.5 20 110 53 53 33+/-1 14.0 2-piece 466.7 438.2 8 x 12.7 5 53 53 25+/-1 LK150D 2400 30 70 14.0 ** 466.7 438.2 8 x 12.7 3.4 110 52 54 25+/-1 **LK150D uses 2 elements in parallel with 1 steel plate *Other shorter or longer hub lengths available for special requirements LK80 125 14 32 Universal element dimensions below 60 60 62 - Dimensions for Universal Elements (mm) for Non-SAE Flywheels, etc Element Size Pilot A TK Number of Holes Hole Ø S C D E F G H LK80-6-106 106 130 5@72° 8.4 150 91.4 28.5 4.8 14.0 9.7 LK80-6-135* 135 100 3@120° 10.4 135 92.2 25.4 * 9.9 15.5 LK100-165 125 142 3@120° 12.5 174 125.0 34.0 4.0 10.0 20.0 LK100-072 72 165 3@120° 16.5 200 110.0 34.0 4.0 10.0 20.0 LK125-195 136 165 6@60° 12.5 195 136.0 30.0 6.0 10.0 14.0 LK150-230 165 200 8@45° 12.5 230 165.0 27.0 5.0 10.0 12.0 *Size LK80-6-135 locates on the O.D. SAE Code Number of Teeth Spline Pitch Major Ø (mm) A-A 9 20/40 12.7 A 9 16/32 15.9 B 13 16/32 22.2 B-B 15 16/32 25.4 C 14 12/24 31.8 C-C 17 12/24 38.1 D 13 8/16 44.5 E 13 8/16 44.5 F 15 8/16 50.8 SAE Pump Splines (SAE J744) #DriveLineHarmony www.jbj.co.uk/torsional-couplings.html
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