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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

N/A QF175X2-1/4U N/A 2-1/4 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
N/A QF175S303X2-3/4 N/A 2-3/4 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-3/4 N/A 2-3/4 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-3/4U N/A 2-3/4 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
N/A QF175S303X3-1/4 N/A 3-1/4 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-1/4 N/A 3-1/4 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-1/4E N/A 3-1/4 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-1/4U N/A 3-1/4 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
N/A QF175S303X3-3/4 N/A 3-3/4 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-3/4 N/A 3-3/4 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-3/4E N/A 3-3/4 in N/A 175 N/A 1x1/2 in N/A 2.67 in67.8 mm N/A
N/A QF175X3-3/4U N/A 3-3/4 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-1/8 N/A 1-1/8 in N/A 175 N/A 1/4x1/8 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-3/8 N/A 1-3/8 in N/A 175 N/A 5/16X5/32 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-3/8U N/A 1-3/8 in N/A 175 N/A 5/16X5/32 in N/A 2.67 in67.8 mm N/A
N/A QF175S303X1-5/8 N/A 1-5/8 in N/A 175 N/A 3/8x3/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-5/8 N/A 1-5/8 in N/A 175 N/A 3/8x3/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-5/8U N/A 1-5/8 in N/A 175 N/A 3/8x3/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-7/8 N/A 1-7/8 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
N/A QF175X1-7/8U N/A 1-7/8 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-1/8 N/A 2-1/8 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-1/8U N/A 2-1/8 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
N/A QF175S303X2-3/8 N/A 2-3/8 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-3/8 N/A 2-3/8 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
N/A QF175X2-3/8E N/A 2-3/8 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
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