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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  (in)

Coupling Size

Keyway Size  (in)

Part Number

Description 

Bore Size 

Coupling Size

Keyway Size (W x D)

Length thru Bore

CAD

88345096042 N/A QF15X1-3/8U N/A 1-3/8 in N/A 15 N/A 5/16 x 5/32 in N/A 1.34 in34 mm N/A
88345032881 N/A QF15S303X1-5/8 N/A 1-5/8 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345005221 N/A QF15X1-5/8 N/A 1-5/8 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345044071 N/A QF15X1-5/8EE N/A 1-5/8 in N/A 15 N/A 1/2 x 1/4 in N/A 1.34 in34 mm N/A
88345042925 N/A QF15X1-5/8U N/A 1-5/8 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345042893 N/A QF15S303X1-1/16 N/A 1-1/16 in N/A 15 N/A 1/4x1/8 in N/A 1.34 in34 mm N/A
88345044062 N/A QF15X1-1/16 N/A 1-1/16 in N/A 15 N/A 1/4x1/8 in N/A 1.34 in34 mm N/A
88345032879 N/A QF15S303X1-3/16 N/A 1-3/16 in N/A 15 N/A 1/4x1/8 in N/A 1.34 in34 mm N/A
88345005219 N/A QF15X1-3/16 N/A 1-3/16 in N/A 15 N/A 1/4x1/8 in N/A 1.34 in34 mm N/A
88345043675 N/A QF15X1-3/16U N/A 1-3/16 in N/A 15 N/A 1/4x1/8 in N/A 1.34 in34 mm N/A
88345028591 N/A QF15S303X1-7/16 N/A 1-7/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345044052 N/A QF15S303X1-7/16U N/A 1-7/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345005222 N/A QF15X1-7/16 N/A 1-7/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345043676 N/A QF15X1-7/16U N/A 1-7/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345044053 N/A QF15S303X1-9/16 N/A 1-9/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345044077 N/A QF15X1-9/16 N/A 1-9/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345042922 N/A QF15X1-11/16 N/A 1-11/16 in N/A 15 N/A 3/8x3/16 in N/A 1.34 in34 mm N/A
88345044047 N/A QF15S303X1/2 N/A 1/2 in N/A 15 N/A 1/8x1/16 in N/A 1.34 in34 mm N/A
88345005203 N/A QF15S303X3/4 N/A 3/4 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345005227 N/A QF15X3/4 N/A 3/4 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345044083 N/A QF15X3/4NK N/A 3/4 in N/A 15 N/A No Keyway in N/A 1.34 in34 mm N/A
88345042929 N/A QF15X3/4U N/A 3/4 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345032880 N/A QF15S303X5/8 N/A 5/8 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345005232 N/A QF15X5/8 N/A 5/8 in N/A 15 N/A 3/16X3/32 in N/A 1.34 in34 mm N/A
88345042930 N/A QF15X5/8U N/A 5/8 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345005204 N/A QF15S303X7/8 N/A 7/8 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345005233 N/A QF15X7/8 N/A 7/8 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345095985 N/A QF15X7/8E N/A 7/8 in N/A 15 N/A 1/4 x 1/8 in N/A 1.34 in34 mm N/A
88345043674 N/A QF15X7/8U N/A 7/8 in N/A 15 N/A 3/16 x 3/32 in N/A 1.34 in34 mm N/A
88345044050 N/A QF15S303X15/16 N/A 15/16 in N/A 15 N/A 1/4 x 1/8 in N/A 1.34 in34 mm N/A
88345042895 N/A QF15S303X15/16E N/A 15/16 in N/A 15 N/A 7/8X7/16 in N/A 1.34 in34 mm N/A
88345042924 N/A QF15X15/16 N/A 15/16 in N/A 15 N/A 1/4 x 1/8 in N/A 1.34 in34 mm N/A
88345005205 N/A QF15S303XPB N/A Pilot 17/32 in N/A 15 N/A No Keyway in N/A 1.34 in34 mm N/A
88345043334 N/A QF15XNB N/A Solid in N/A 15 N/A No Keyway in N/A 1.34 in34 mm N/A
88345005235 N/A QF15XPB N/A Pilot 17/32 in N/A 15 N/A No Keyway in N/A 1.34 in34 mm N/A
88345043065 N/A QF25S303X1 N/A 1 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
88345005305 N/A QF25X1 N/A 1 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
88345043107 N/A QF25X1U N/A 1 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
88345043074 N/A QF25S303X2 N/A 2 in N/A 25 N/A 1/2X1/4 in N/A 1.81 in46 mm N/A
88345005317 N/A QF25X2 N/A 2 in N/A 25 N/A 1/2X1/4 in N/A 1.81 in46 mm N/A
88345096016 N/A QF25X2U N/A 2 in N/A 25 N/A 1/2X1/4 in N/A 1.81 in46 mm N/A
88345096443 N/A QF25S303X1-1/2 N/A 1-1/2 in N/A 25 N/A 3/8 x 3/16 in N/A 1.81 in46 mm N/A
88345044260 N/A QF25S303X1-1/2E N/A 1-1/2 in N/A 25 N/A 1/2X1/4 in N/A 1.81 in46 mm N/A
88345005306 N/A QF25X1-1/2 N/A 1-1/2 in N/A 25 N/A 3/8x3/16 in N/A 1.81 in46 mm N/A
88345043098 N/A QF25X1-1/2E N/A 1-1/2 in N/A 25 N/A 1/2 x1/4 in N/A 1.81 in46 mm N/A
88345096014 N/A QF25X1-1/2U N/A 1-1/2 in N/A 25 N/A 3/8 x 3/16 in N/A 1.81 in46 mm N/A
88345040993 N/A QF25S303X1-1/4 N/A 1-1/4 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
88345043066 N/A QF25S303X1-1/4E N/A 1-1/4 in N/A 25 N/A 5/16X5/32 in N/A 1.81 in46 mm N/A
88345043067 N/A QF25S303X1-1/4U N/A 1-1/4 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
88345005307 N/A QF25X1-1/4 N/A 1-1/4 in N/A 25 N/A 1/4x1/8 in N/A 1.81 in46 mm N/A
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