The FMM Type coupling consists of one universal hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.
The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).
| Items |
 69790406650 FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore |
69790402257 FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore |
69790407365 FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore |
69790407959 FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore |
69790407245 FMM Type Mill Universal Hubs - Finished (AISE Frame) Bore |
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| Description | FMM-1.5-HUB-602/802 MTR FRM | FMM-1.5-HUB-603/803&604/804-MTR FRM | FMM-2-HUB-602/802 MTR FRM | FMM-2-HUB-603/604&803/804-MTR FRM | FMM-2-HUB-406/606/806-MTR FRM | |||||
| Bore Size (Dimension TB) | 1.7485 to 1.7495 in | 1.9980 to 1.9990 in | 1.7485 to 1.7495 in | 1.9980 to 1.9990 in | 2.4980 to 2.4990 in | |||||
| Hub Style | Exposed Bolt | |||||||||
| Type | Gear Coupling Hubs | |||||||||
| Size | 1 1/2 | 1 1/2 | 2 | 2 | 2 | |||||
| Hub Material | AISI 1045 | |||||||||
| Set Screw Style Coupling Size (Dimension T) | No Setscrew | |||||||||
| Keyway Size (W x D) | 1/2 x 1/4 in | |||||||||
| Style | Mill Motor Hub Bored | |||||||||
| Color | Metallic | |||||||||
| Nominal Torque | 18900 in·lb | 18900 in·lb | 31500 in·lb | 31500 in·lb | 31500 in·lb | |||||
| Max. Bore (Dimensions ID1/ID2) | 2.125 in56 mm | 2.125 in56 mm | 2.750 in73 mm | 2.750 in73 mm | 2.750 in73 mm | |||||
| Max. Speed (Unbalanced) | 5500 rpm | 5500 rpm | 5000 rpm | 5000 rpm | 5000 rpm | |||||
| Max. Speed (Balanced) | 8250.00 rpm | 8250.00 rpm | 7500.00 rpm | 7500.00 rpm | 7500.00 rpm | |||||
| Dimension D | 3.970 in100.84 mm | 3.970 in100.84 mm | 4.860 in123.44 mm | 4.860 in123.44 mm | ||||||
| Dimension FD | 6.00 in152.40 mm | 6.00 in152.40 mm | 7.00 in177.80 mm | 7.00 in177.80 mm | 7.00 in177.80 mm | |||||
| Dimension G1 | 1.060 in26.92 mm | 1.130 in28.70 mm | 1.130 in28.70 mm | 1.250 in31.75 mm | ||||||
| Dimension HD | 3.000 in76.20 mm | 3.000 in76.20 mm | 4.000 in101.60 mm | 4.000 in101.60 mm | 4.000 in101.60 mm | |||||
| Dimension ID1 | 2.125 in53.98 mm | 2.125 in53.98 mm | 2.750 in69.85 mm | 2.750 in69.85 mm | ||||||
| Dimension LTB1 | 3.000 in76.20 mm | 3.500 in88.90 mm | 3.500 in88.90 mm | 4.000 in101.60 mm | ||||||
| Dimension TB | 1.7485 to 1.7495 in44.41 to 44.44 mm | 1.998 to 1.999 in50.75 to 50.77 mm | 1.998 to 1.999 in50.75 to 50.77 mm | 2.498 to 2.499 in63.45 to 63.47 mm | ||||||
| Distance between Shaft Ends (Dimension BSE) | 0.130 in3.30 mm | 0.130 in3.30 mm | 0.130 in3.30 mm | 0.130 in3.30 mm | ||||||
| Coupling Type | Gear | |||||||||
| AISE Motor Frame Size | 602/802 | 603/803 & 604/804 | 602/802 | 603/604 & 803/804 | 406/606/806 | |||||
| Weight | 4.31 lb | 4.00 lb | 10.40 lb | 10.79 lb | 9.91 lb | |||||
| Cubic inches | 17.46000 in³ | 17.46000 in³ | 48.00000 in³ | 39.04000 in³ | 39.04000 in³ | |||||
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