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 (mm)

Length thru Bore

CAD

88345044251 N/A QF250X55MM N/A 55 mm N/A 250 N/A 16X4.3 N/A 3.1 in78.7 mm N/A
88345044211 N/A QF250S303X60MM N/A 60 mm N/A 250 N/A 18X4.4 N/A 3.1 in78.7 mm N/A
88345044253 N/A QF250X60MM N/A 60 mm N/A 250 N/A 18X4.4 N/A 3.1 in78.7 mm N/A
88345044212 N/A QF250S303X65MM N/A 65 mm N/A 250 N/A 18X4.4 N/A 3.1 in78.7 mm N/A
88345044254 N/A QF250X65MM N/A 65 mm N/A 250 N/A 18X4.4 N/A 3.1 in78.7 mm N/A
88345044256 N/A QF250X70MM N/A 70 mm N/A 250 N/A 20X4.9 N/A 3.1 in78.7 mm N/A
88345041045 N/A QF250X70MMU N/A 70 mm N/A 250 N/A 20X4.9 N/A 3.1 in78.7 mm N/A
88345044213 N/A QF250S303X75MM N/A 75 mm N/A 250 N/A 20X4.9 N/A 3.1 in78.7 mm N/A
88345043056 N/A QF250X75MM N/A 75 mm N/A 250 N/A 20X4.9 N/A 3.1 in78.7 mm N/A
88345047267 N/A QF250X75MMU N/A 75 mm N/A 250 N/A 20X4.9 N/A 3.1 in78.7 mm N/A
88345044257 N/A QF250X76MM N/A 76 mm N/A 250 N/A 22X5.4 N/A 3.1 in78.7 mm N/A
88345044214 N/A QF250S303X80MM N/A 80 mm N/A 250 N/A 22X5.4 N/A 3.1 in78.7 mm N/A
88345040938 N/A QF250X80MM N/A 80 mm N/A 250 N/A 22X5.4 N/A 3.1 in78.7 mm N/A
88345095931 N/A QF250X85MM N/A 85 mm N/A 250 N/A 22X5.4 N/A 3.1 in78.7 mm N/A
88345047268 N/A QF250X85MMU N/A 85 mm N/A 250 N/A 22X5.4 N/A 3.1 in78.7 mm N/A
88345043057 N/A QF250X90MM N/A 90 mm N/A 250 N/A 25x5.4 N/A 3.1 in78.7 mm N/A
88345044258 N/A QF250X90MMU N/A 90 mm N/A 250 N/A 25x5.4 N/A 3.1 in78.7 mm N/A
88345044215 N/A QF250S303X92MM N/A 92 mm N/A 250 N/A 25x5.4 N/A 3.1 in78.7 mm N/A
88345044216 N/A QF250S303X95MM N/A 95 mm N/A 250 N/A 25x5.4 N/A 3.1 in78.7 mm N/A
88345044259 N/A QF250X95MM N/A 95 mm N/A 250 N/A 25x5.4 N/A 3.1 in78.7 mm N/A
88345044201 N/A QF250S303X100MM N/A 100 mm N/A 250 N/A 28x6.4 N/A 3.1 in78.7 mm N/A
88345043031 N/A QF250X100MM N/A 100 mm N/A 250 N/A 28x6.4 N/A 3.1 in78.7 mm N/A
88345043032 N/A QF250X100MMU N/A 100 mm N/A 250 N/A 28x6.4 N/A 3.1 in78.7 mm N/A
88345043151 N/A QF500X50MM N/A 50 mm N/A 500 N/A 14X3.8 N/A 3.75 in95.3 mm N/A
88345044407 N/A QF500X60MMU N/A 60 mm N/A 500 N/A 18X4.4 N/A 3.75 in95.3 mm N/A
Unit of Measure
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