The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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QUICK FLEX couplings consist of two hubs, one insert, and a cover.
QUICK FLEX Coupling Hub Photo
Unit of Measure
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Part Number

Description 

Bore Size 

Coupling Size

Keyway Size (W x D)

Length thru Bore

CAD

88345043971 N/A QF100S303X1-3/8 N/A 1-3/8 in N/A 100 N/A 5/16X5/32 in N/A 2.46 in62.5 mm N/A
88345095951 N/A QF100X1-3/8 N/A 1-3/8 in N/A 100 N/A 5/16X5/32 in N/A 2.46 in62.5 mm N/A
88345043727 N/A QF100X1-3/8U N/A 1-3/8 in N/A 100 N/A 5/16X5/32 in N/A 2.46 in62.5 mm N/A
88345043972 N/A QF100S303X1-5/8 N/A 1-5/8 in N/A 100 N/A 3/8x3/16 in N/A 2.46 in62.5 mm N/A
88345005158 N/A QF100X1-5/8 N/A 1-5/8 in N/A 100 N/A 3/8x3/16 in N/A 2.46 in62.5 mm N/A
88345043730 N/A QF100X1-5/8U N/A 1-5/8 in N/A 100 N/A 3/8x3/16 in N/A 2.46 in62.5 mm N/A
88345043973 N/A QF100S303X1-7/8 N/A 1-7/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345043974 N/A QF100S303X1-7/8U N/A 1-7/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345005159 N/A QF100X1-7/8 N/A 1-7/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345042869 N/A QF100X1-7/8U N/A 1-7/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345042838 N/A QF100S303X2-1/8 N/A 2-1/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345043975 N/A QF100S303X2-1/8U N/A 2-1/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345031047 N/A QF100X2-1/8 N/A 2-1/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345042871 N/A QF100X2-1/8U N/A 2-1/8 in N/A 100 N/A 1/2X1/4 in N/A 2.46 in62.5 mm N/A
88345095891 N/A QF100S303X2-3/8 N/A 2-3/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345005165 N/A QF100X2-3/8 N/A 2-3/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345043993 N/A QF100X2-3/8P N/A 2-3/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345042876 N/A QF100X2-3/8U N/A 2-3/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345043979 N/A QF100S303X2-5/8 N/A 2-5/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345005166 N/A QF100X2-5/8 N/A 2-5/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345043736 N/A QF100X2-5/8U N/A 2-5/8 in N/A 100 N/A 5/8X5/16 in N/A 2.46 in62.5 mm N/A
88345042842 N/A QF100S303X2-7/8 N/A 2-7/8 in N/A 100 N/A 3/4X3/8 in N/A 2.46 in62.5 mm N/A
88345005169 N/A QF100X2-7/8 N/A 2-7/8 in N/A 100 N/A 3/4X3/8 in N/A 2.46 in62.5 mm N/A
88345042878 N/A QF100X2-7/8U N/A 2-7/8 in N/A 100 N/A 3/4X3/8 in N/A 2.46 in62.5 mm N/A
88345043988 N/A QF100X1-5/16 N/A 1-5/16 in N/A 100 N/A 5/16X5/32 in N/A 2.46 in62.5 mm N/A
Unit of Measure
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