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

88345044119 N/A QF175X2-3/16 N/A 2-3/16 in N/A 175 N/A 1/2X1/4 in N/A 2.67 in67.8 mm N/A
88345044091 N/A QF175S303X2-7/16 N/A 2-7/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345042982 N/A QF175X2-7/16 N/A 2-7/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345044123 N/A QF175X2-7/16U N/A 2-7/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345045824 N/A QF175X2-9/16 N/A 2-9/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345042976 N/A QF175X2-11/16 N/A 2-11/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345044116 N/A QF175X2-11/16U N/A 2-11/16 in N/A 175 N/A 5/8X5/16 in N/A 2.67 in67.8 mm N/A
88345044117 N/A QF175X2-13/16U N/A 2-13/16 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
88345042977 N/A QF175X2-15/16 N/A 2-15/16 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
88345042978 N/A QF175X2-15/16E N/A 2-15/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345044118 N/A QF175X2-15/16U N/A 2-15/16 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
88345042991 N/A QF175X3-3/16 N/A 3-3/16 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
88345042992 N/A QF175X3-3/16U N/A 3-3/16 in N/A 175 N/A 3/4X3/8 in N/A 2.67 in67.8 mm N/A
88345044129 N/A QF175X3-5/16 N/A 3-5/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345044101 N/A QF175S303X3-7/16 N/A 3-7/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345096027 N/A QF175X3-7/16 N/A 3-7/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345096044 N/A QF175X3-7/16U N/A 3-7/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345044126 N/A QF175X3-11/16 N/A 3-11/16 in N/A 175 N/A 7/8X7/16 in N/A 2.67 in67.8 mm N/A
88345044097 N/A QF175S303X3-15/16 N/A 3-15/16 in N/A 175 N/A 1x1/2 in N/A 2.67 in67.8 mm N/A
88345042990 N/A QF175X3-15/16 N/A 3-15/16 in N/A 175 N/A 1x1/2 in N/A 2.67 in67.8 mm N/A
88345045793 N/A QF175X3-15/16U N/A 3-15/16 in N/A 175 N/A 1x1/2 in N/A 2.67 in67.8 mm N/A
88345044125 N/A QF175X3/4 N/A 3/4 in N/A 175 N/A 3/16X3/32 in N/A 2.67 in67.8 mm N/A
88345044142 N/A QF175X7/8 N/A 7/8 in N/A 175 N/A 3/16X3/32 in N/A 2.67 in67.8 mm N/A
88345042931 N/A QF175S303XPB N/A Pilot 1" in N/A 175 N/A No Keyway in N/A 2.67 in67.8 mm N/A
88345043251 N/A QF175XNB N/A Solid in N/A 175 N/A No Keyway in N/A 2.67 in67.8 mm N/A
Unit of Measure
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