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  • QUICK FLEX Coupling Hub Photo
  • QF cutaway 1
  • QuickFlex-Dim
QUICK FLEX couplings consist of two hubs, one insert, and a cover.
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Bore Size (mm)

Coupling Size

Keyway Size

Part Number

Description 

Bore Size

Coupling Size

Keyway Size (mm)

Length thru Bore

CAD

88345043080 N/A QF25S303X42MM N/A 42 mm N/A 25 N/A 12X3.3 N/A 1.81 in46 mm N/A
88345032989 N/A QF25X42MM N/A 42 mm N/A 25 N/A 12X3.3 N/A 1.81 in46 mm N/A
88345043705 N/A QF25X42MMU N/A 42 mm N/A 25 N/A 12X3.3 N/A 1.81 in46 mm N/A
88345044298 N/A QF25X43MM N/A 43 mm N/A 25 N/A 12X3.3 N/A 1.81 in46 mm N/A
88345095925 N/A QF25S303X45MM N/A 45 mm N/A 25 N/A 14X3.8 N/A 1.81 in46 mm N/A
88345032990 N/A QF25X45MM N/A 45 mm N/A 25 N/A 14X3.8 N/A 1.81 in46 mm N/A
88345031040 N/A QF50X40MM N/A 40 mm N/A 50 N/A 12X3.3 N/A 2.16 in54.9 mm N/A
88345043192 N/A QF50X40MMU N/A 40 mm N/A 50 N/A 12X3.3 N/A 2.16 in54.9 mm N/A
88345031041 N/A QF50X42MM N/A 42 mm N/A 50 N/A 12X3.3 N/A 2.16 in54.9 mm N/A
88345043722 N/A QF50X42MMU N/A 42 mm N/A 50 N/A 12X3.3 N/A 2.16 in54.9 mm N/A
88345043166 N/A QF50S303X45MM N/A 45 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345031042 N/A QF50X45MM N/A 45 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345043723 N/A QF50X45MMU N/A 45 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345044427 N/A QF50S303X48MM N/A 48 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345039972 N/A QF50X48MM N/A 48 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345043724 N/A QF50X48MMU N/A 48 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345044428 N/A QF50S303X50MM N/A 50 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345031043 N/A QF50X50MM N/A 50 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345043725 N/A QF50X50MMU N/A 50 mm N/A 50 N/A 14X3.8 N/A 2.16 in54.9 mm N/A
88345096031 N/A QF50X50MME N/A 50 mm N/A 50 N/A 16 x 4.3 N/A 2.16 in54.9 mm N/A
88345045805 N/A QF50X52MM N/A 52 mm N/A 50 N/A 16X4.3 N/A 2.16 in54.9 mm N/A
88345031044 N/A QF50X55MM N/A 55 mm N/A 50 N/A 16X4.3 N/A 2.16 in54.9 mm N/A
88345043726 N/A QF50X55MMU N/A 55 mm N/A 50 N/A 16X4.3 N/A 2.16 in54.9 mm N/A
88345043167 N/A QF50S303X60MM N/A 60 mm N/A 50 N/A 18X4.4 N/A 2.16 in54.9 mm N/A
88345031045 N/A QF50X60MM N/A 60 mm N/A 50 N/A 18X4.4 N/A 2.16 in54.9 mm N/A
88345041092 N/A QF50X60MMU N/A 60 mm N/A 50 N/A 18X4.4 N/A 2.16 in54.9 mm N/A
88345043996 N/A QF100X30MM N/A 30 mm N/A 100 N/A 8X3.3 N/A 2.46 in62.5 mm N/A
88345095933 N/A QF100X32MM N/A 32 mm N/A 100 N/A 10X3.3 N/A 2.46 in62.5 mm N/A
88345043999 N/A QF100X35MM N/A 35 mm N/A 100 N/A 10X3.3 N/A 2.46 in62.5 mm N/A
88345043982 N/A QF100S303X38MM N/A 38 mm N/A 100 N/A 10X3.3 N/A 2.46 in62.5 mm N/A
88345042881 N/A QF100X38MM N/A 38 mm N/A 100 N/A 10X3.3 N/A 2.46 in62.5 mm N/A
88345042845 N/A QF100S303X40MM N/A 40 mm N/A 100 N/A 12X3.3 N/A 2.46 in62.5 mm N/A
88345044000 N/A QF100X40MM N/A 40 mm N/A 100 N/A 12X3.3 N/A 2.46 in62.5 mm N/A
88345095992 N/A QF100X42MM N/A 42 mm N/A 100 N/A 12X3.3 N/A 2.46 in62.5 mm N/A
88345043738 N/A QF100X42MMU N/A 42 mm N/A 100 N/A 12X3.3 N/A 2.46 in62.5 mm N/A
88345042882 N/A QF100X45MM N/A 45 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345043739 N/A QF100X45MMU N/A 45 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345043984 N/A QF100S303X48MM N/A 48 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345042883 N/A QF100X48MM N/A 48 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345043740 N/A QF100X48MMU N/A 48 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345043985 N/A QF100S303X50MM N/A 50 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345005172 N/A QF100X50MM N/A 50 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345043741 N/A QF100X50MMU N/A 50 mm N/A 100 N/A 14X3.8 N/A 2.46 in62.5 mm N/A
88345044001 N/A QF100X50MME N/A 50 mm N/A 100 N/A 16 x 4.3 N/A 2.46 in62.5 mm N/A
88345044002 N/A QF100X54MM N/A 54 mm N/A 100 N/A 16X4.3 N/A 2.46 in62.5 mm N/A
88345005173 N/A QF100X55MM N/A 55 mm N/A 100 N/A 16X4.3 N/A 2.46 in62.5 mm N/A
88345043742 N/A QF100X55MMU N/A 55 mm N/A 100 N/A 16X4.3 N/A 2.46 in62.5 mm N/A
88345042846 N/A QF100S303X60MM N/A 60 mm N/A 100 N/A 18X4.4 N/A 2.46 in62.5 mm N/A
88345005174 N/A QF100X60MM N/A 60 mm N/A 100 N/A 18X4.4 N/A 2.46 in62.5 mm N/A
88345043743 N/A QF100X60MMU N/A 60 mm N/A 100 N/A 18X4.4 N/A 2.46 in62.5 mm N/A
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