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

88345044217 N/A QF250X1 N/A 1 in N/A 250 N/A 1/4x1/8 in N/A 3.1 in78.7 mm N/A
88345043033 N/A QF250X2 N/A 2 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044206 N/A QF250S303X3 N/A 3 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345096402 N/A QF250X3 N/A 3 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044246 N/A QF250X3U N/A 3 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345045753 N/A QF250S303X4 N/A 4 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345044247 N/A QF250X4 N/A 4 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345044218 N/A QF250X1-1/2 N/A 1-1/2 in N/A 250 N/A 3/8x3/16 in N/A 3.1 in78.7 mm N/A
88345044224 N/A QF250X2-1/2 N/A 2-1/2 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044225 N/A QF250X2-1/2U N/A 2-1/2 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345043040 N/A QF250X3-1/2 N/A 3-1/2 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043041 N/A QF250X3-1/2U N/A 3-1/2 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044219 N/A QF250X1-1/4 N/A 1-1/4 in N/A 250 N/A 1/4x1/8 in N/A 3.1 in78.7 mm N/A
88345044221 N/A QF250X1-3/4 N/A 1-3/4 in N/A 250 N/A 3/8x3/16 in N/A 3.1 in78.7 mm N/A
88345043034 N/A QF250X2-1/4 N/A 2-1/4 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044226 N/A QF250X2-1/4U N/A 2-1/4 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345043036 N/A QF250X2-3/4 N/A 2-3/4 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044230 N/A QF250X2-3/4SH N/A 2-3/4 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345043037 N/A QF250X2-3/4U N/A 2-3/4 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345043042 N/A QF250X3-1/4 N/A 3-1/4 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345043043 N/A QF250X3-1/4U N/A 3-1/4 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345043045 N/A QF250X3-3/4 N/A 3-3/4 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043046 N/A QF250X3-3/4U N/A 3-3/4 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044248 N/A QF250X4-1/4 N/A 4-1/4 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345044220 N/A QF250X1-1/8 N/A 1-1/8 in N/A 250 N/A 1/4x1/8 in N/A 3.1 in78.7 mm N/A
Unit of Measure
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