www.jbj.co.uk/couplings.html #DriveLineHarmony Special Flange Dimensions ® SITEX Gear Couplings D2 (mm) D3 (mm) D4 (mm) F (mm) G (mm) df x z GDF 48 FL 125 48 80 - 100 125 27 30 11 x 3 GDF 48 FL 165 48 98 125 142 165 10 20 13 x 6 GDF 48P FL 165 48 98 125 142 165 10 20 13 x 6 GDF 65 FL 190 65 125 140 160 190 13 57 11 x 6 GDF 65 FL 208 65 125 144 180 208 20 40 18 x 8 GDF 65P FL 208 65 125 144 180 208 20 40 18 x 8 CCV B 6 Flywheel bellhousing ‘B’ type SAE type for engine flange Flywheel bellhousing Ordering Code B/4 SAE type pump flange and number of pump mounting holes CCV 6 B/4 8 Special Flange Size Maximum Bore D1 (mm) Flywheel Bellhousing The dimensions of the flywheel Bell housing plates are in accordance with SAE 617. B d Wf D f C A-A Section Wf f C D M Z= n. of holes M K2/S4 R R R A A Type:CCV Type:CCVB B d R SAE - Flywheel Bellhousing SAE type D (mm) B (mm) C (mm) Number of holes Z f (mm) CCV CCVB Wf SAE 6 266,7 308 285,8 8 11 10,5 - SAE 5 314,32 356 333,4 8 11 10,5 25 SAE 4 361,95 403 381 12 11 10,5 35 50 SAE 3 409,58 451 428,6 12 11 10,5 50 SAE 2 447,68 489 466,7 12 11 14 - Pump assembly SAE dimensions SAE Pump Center bore d (mm) Pump mounting holes n. 2 holes n. 4 holes K2 M S4 R AA 50,8 82,6 M8 5/16" - - - A 82,55 106,4 M10 3/8" 104,6 M10 ³⁄ " B 101,6 146 M12 1/2" 127 M12 ¹⁄ " C 127 181 M16 5/8" 162 M12 ¹⁄ " D 152,4 228,6 M16 5/8" 228,6 M16 ⁵⁄ " ØD4 ØD1 ØD3 F G df GDF 48 FL 125 ØD3 ØD2 ØD4 ØD1 df 4 F G GDF 48 FL 165 GDF 48P FL 165 ØD4 ØD1 G F df ØD2 ØD3 15 GDF 65 FL 190 G 10 F df 28 12 ØD3 ØD2 ØD4 ØD1 GDF 65 FL 208 GDF 65P FL 208
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