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

88345044244 N/A QF250X3-7/8U N/A 3-7/8 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345043052 N/A QF250X4-1/8 N/A 4-1/8 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345043053 N/A QF250X4-1/8U N/A 4-1/8 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345044232 N/A QF250X2-5/16 N/A 2-5/16 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044234 N/A QF250X2-7/16 N/A 2-7/16 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044203 N/A QF250S303X2-15/16 N/A 2-15/16 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044229 N/A QF250X2-15/16 N/A 2-15/16 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345043035 N/A QF250X2-15/16U N/A 2-15/16 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345043215 N/A QF250X3-1/16 N/A 3-1/16 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044240 N/A QF250X3-3/16 N/A 3-3/16 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044242 N/A QF250X3-5/16 N/A 3-5/16 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043050 N/A QF250X3-7/16 N/A 3-7/16 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044245 N/A QF250X3-9/16 N/A 3-9/16 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043051 N/A QF250X3-9/16U N/A 3-9/16 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043044 N/A QF250X3-11/16 N/A 3-11/16 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044207 N/A QF250S303X3-15/16 N/A 3-15/16 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345040991 N/A QF250X3-15/16 N/A 3-15/16 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345044239 N/A QF250X3-15/16U N/A 3-15/16 in N/A 250 N/A 1/x1/2 in N/A 3.1 in78.7 mm N/A
88345095970 N/A QF250S303XPB N/A Pilot 1 1/2" in N/A 250 N/A No Keyway in N/A 3.1 in78.7 mm N/A
Unit of Measure
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