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| | | KOP-FLCX. | | |
| | | FAST'S® Model B Gear Couplings | | |
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| | Full Flex Coupling | | |
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| | | A conventional 4-bearing system has two bearings on the driving shaft and two bearings on the driven shaft. Both angular and offset shaft misalignment will be present to some degree and a full flex coupling is mandatory. The full flex coupling is the standard coupling having two gear ring sets, one set per half coupling. For selection procedure see page 133. | | |
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| | | Coupling Greases KOP-FLEX offers greases specifically designed for use in coupling applications. For proper lubrication and long service life, use KSG Standard Coupling Grease, or KHP High Performance Coupling Grease. See pages 204-206 for detailed specifications. | | |
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| | | FLEX HUBS | | |
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| | | SB ACCESSORY SE | | |
| | | TYPE SB SLEEVE (SHROUDED BOLTS) | | |
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| | | | | | | | | | | | | | | | | | | | | | Coupling Size | Maximum Bore with Standard Key | Rating HP/100 RPM | Torque Rating (lb.-in.) | Peak Torque Rating (lb.-in.) | Maximum Speed RPM | Weight with Solid Hubs (lb.) | Dimensions | Shrouded Bolt* and Exposed Bolt | | | | A | B | C | E | O | Bolt Circle | Number & Size. | | | | 1 | 1 1/8 | 10.5 | 6600 | 13200 | 14500 | 5.5 | 4 | 25/8 | 1/8 | 11/4 | 19/16 | 3 5/16 | 6 — 1/4 | | | | 1 1/2 | 1 5/8 | 18.5 | 11500 | 23000 | 12000 | 11 | 5 | 3 1/2 | 1/8 | 1 11/16 | 2 3/16 | 4 3/32 | 6 — 5/16 | | | | 2 | 2 1/8 | 36.5 | 23000 | 46000 | 9300 | 19 | 6 | 4 5/16 | 1/8 | 2 3/32 | 2 7/8 | 5 | 6 — 3/8 | | | | 2 1/2 | 2 3/4 | 62 | 39000 | 78000 | 7900 | 31 | 7 | 51/4 | 1/8 | 29/16 | 311/16 | 6 | 6 — 3/8 | | | | 3 | 3 1/8 | 110 | 69300 | 138600 | 6800 | 57 | 8 3/8 | 61/2 | 3/16 | 35/32 | 41/4 | 7 3/16 | 8 — 1/2 | | | | 3 1/2 | 33/4 | 186 | 117200 | 234400 | 6000 | 81 | 9 7/16 | 73/4 | 3/16 | 325/32 | 5 | 8 1/4 | 10 — 1/2 | | | | | | | | | | | | | | | | | | | | | |
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| | | Shrouded and exposed bolts are identical except for length. | | |
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| | | Coupling Type SB (Shrouded Bolts) Part Numbers | | |
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| | | | | | | | | | | | | | | | | | | Coupling Size | Full Flex Coupling | Fastener Set (IncludesGasket) | Sleeve | Flex Hub | | | | No Bore Part No. | Wt. | Finish Bore© Part No. | Part No. | Wt. | Part No. | Wt. | No Bore Part No. | Wt. | Finish Bore© Part No. | | | | 1 | 1B SB FF | 7 | 1BSB FF FB | 1BSB FS | 1 | 1B SB SLEEVE | 2 | 1B FHUB | 1 | 1B FHUB FB | | | | 1 1/2 | 1 1/2BSB FF | 12 | 1 1/2B SB FF FB | 1 1/2B SB FS | 1 | 1 1/2B SB SLEEVE | 3 | 1 1/2B FHUB | 3 | 1 1/2B FHUB FB | | | | 2 | 2BSB FF | 21 | 2BSB FF FB | 2BSB FS | 1 | 2B SB SLEEVE | 5 | 2B FHUB | 5 | 2B FHUB FB | | | | 2 1/2 | 21/2BSB FF | 33 | 21/2BSB FF FB | 21/2BSB FS | 1 | 21/2B SB SLEEVE | 7 | 21/2BFHUB | 9 | 21/2B FHUB FB | | | | 3 | 3BSB FF | 55 | 3BSB FF FB | 3BSB FS | 2 | 3B SB SLEEVE | 12 | 3BFHUB | 16 | 3B FHUB FB | | | | 3 1/2 | 31/2BSB FF | 84 | 31/2BSB FF FB | 31/2BSB FS | cm | 31/2B SB SLEEVE | 16 | 31/2BFHUB | 25 | 31/2B FHUB FB | | | | | | | | | | | | | | | | | | |
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| | | Coupling Type EB (Exposed Bolts) Part Numbers | | |
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| | | | | | | | | | | | | | | | | | | Coupling Size | Full Flex Coupling | Fastener Set (IncludesGasket) | Sleeve | Flex Hub | | | | No Bore Part No. | Wt. | Finish Bore© Part No. | Part No. | Wt. | Part No. | Wt. | No Bore Part No. | Wt. | Finish Bore© Part No. | | | | 1 | 1B EB FF | 7 | 1B EB FF FB | 1B EB FS | 1 | 1B EB SLEEVE | 2 | 1B FHUB | 1 | 1B FHUB FB | | | | 1 1/2 | 1 1/2B EB FF | 12 | 1 1/2B EB FF FB | 1 1/2B EB FS | 1 | 1 1/2B EB SLEEVE | 3 | 1 1/2B FHUB | 3 | 1 1/2B FHUB FB | | | | 2 | 2BEB FF | 21 | 2BEB FF FB | 2BEB FS | 1 | 2B EB SLEEVE | 5 | 2BFHUB | 5 | 2B FHUB FB | | | | 2 1/2 | 21/2BEB FF | 33 | 21/2BEB FF FB | 21/2BEB FS | 1 | 21/2B EB SLEEVE | 7 | 21/2BFHUB | 9 | 21/2B FHUB FB | | | | 3 | 3BEB FF | 55 | 3BEB FF FB | 3BEB FS | 2 | 3B EB SLEEVE | 12 | 3BFHUB | 16 | 3B FHUB FB | | | | 3 1/2 | 31/2BEB FF | 84 | 31/2BEB FF FB | 31/2BEB FS | 2 | 31/2B EB SLEEVE | 16 | 31/2BFHUB | 25 | 31/2B FHUB FB | | | | | | | | | | | | | | | | | | |
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| | | © All finish bores and keyways per AGMA 9002-A86 commercial standard tolerances. Each clearance bore includes one setscrew over keyway. | | |
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| | | Important: Care must be exercised in proper selection of any shaft coupling. The Users must assure themselves that the design of the shaft to coupling hub connection is adequate for the duty intended. | | |
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