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

88345044222 N/A QF250X1-3/8 N/A 1-3/8 in N/A 250 N/A 5/16X5/32 in N/A 3.1 in78.7 mm N/A
88345044223 N/A QF250X1-7/8 N/A 1-7/8 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044202 N/A QF250S303X2-1/8 N/A 2-1/8 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044227 N/A QF250X2-1/8 N/A 2-1/8 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044228 N/A QF250X2-1/8U N/A 2-1/8 in N/A 250 N/A 1/2X1/4 in N/A 3.1 in78.7 mm N/A
88345044204 N/A QF250S303X2-3/8 N/A 2-3/8 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044231 N/A QF250X2-3/8 N/A 2-3/8 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345043038 N/A QF250X2-5/8 N/A 2-5/8 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044233 N/A QF250X2-5/8U N/A 2-5/8 in N/A 250 N/A 5/8X5/16 in N/A 3.1 in78.7 mm N/A
88345044205 N/A QF250S303X2-7/8 N/A 2-7/8 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345043039 N/A QF250X2-7/8 N/A 2-7/8 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044236 N/A QF250X2-7/8U N/A 2-7/8 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345050086 N/A QF250S303X3-1/8 N/A 3-1/8 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044238 N/A QF250X3-1/8 N/A 3-1/8 in N/A 250 N/A 3/4X3/8 in N/A 3.1 in78.7 mm N/A
88345044208 N/A QF250S303X3-3/8 N/A 3-3/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345095886 N/A QF250X3-3/8 N/A 3-3/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044241 N/A QF250X3-3/8E N/A 3-3/8 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
88345043047 N/A QF250X3-3/8U N/A 3-3/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044210 N/A QF250S303X3-5/8 N/A 3-5/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043048 N/A QF250X3-5/8 N/A 3-5/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345043049 N/A QF250X3-5/8U N/A 3-5/8 in N/A 250 N/A 7/8X7/16 in N/A 3.1 in78.7 mm N/A
88345044243 N/A QF250X3-7/8 N/A 3-7/8 in N/A 250 N/A 1x1/2 in N/A 3.1 in78.7 mm N/A
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
Unit of Measure
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