QUICK FLEX Standard Hubs with Keyway - Inch (Imperial) Bores On The Timken Company

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QUICK FLEX couplings consist of two hubs, one insert, and a cover.

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Bore Size (in)

Coupling Size

Keyway Size (in)

Part Number	Description	Bore Size	Coupling Size	Keyway Size (W x D)	Length thru Bore	CAD

88345044435	N/A QF50X1-3/8E	N/A 1-3/8 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345044436	N/A QF50X1-3/8EU	N/A 1-3/8 in	N/A 50	N/A 5/16X5/32 in	N/A 2.16 in54.9 mm	N/A
88345043181	N/A QF50X1-3/8U	N/A 1-3/8 in	N/A 50	N/A 5/16X5/32 in	N/A 2.16 in54.9 mm	N/A
88345043160	N/A QF50S303X1-5/8	N/A 1-5/8 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345005386	N/A QF50X1-5/8	N/A 1-5/8 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345043182	N/A QF50X1-5/8U	N/A 1-5/8 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345043162	N/A QF50S303X1-7/8	N/A 1-7/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345005388	N/A QF50X1-7/8	N/A 1-7/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043183	N/A QF50X1-7/8U	N/A 1-7/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345095896	N/A QF50S303X2-1/8	N/A 2-1/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345005392	N/A QF50X2-1/8	N/A 2-1/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345044444	N/A QF50X2-1/8E	N/A 2-1/8 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345043187	N/A QF50X2-1/8U	N/A 2-1/8 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043163	N/A QF50S303X2-3/8	N/A 2-3/8 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345044424	N/A QF50S303X2-3/8E	N/A 2-3/8 in	N/A 50	N/A 3/4X3/8 in	N/A 2.16 in54.9 mm	N/A
88345005394	N/A QF50X2-3/8	N/A 2-3/8 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345096094	N/A QF50X2-3/8E	N/A 2-3/8 in	N/A 50	N/A 3/4X3/8 in	N/A 2.16 in54.9 mm	N/A
88345043189	N/A QF50X2-3/8U	N/A 2-3/8 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345031034	N/A QF50X1-3/16	N/A 1-3/16 in	N/A 50	N/A 1/4x1/8 in	N/A 2.16 in54.9 mm	N/A
88345043711	N/A QF50X1-3/16U	N/A 1-3/16 in	N/A 50	N/A 1/4x1/8 in	N/A 2.16 in54.9 mm	N/A
88345044438	N/A QF50X1-5/16	N/A 1-5/16 in	N/A 50	N/A 5/16X5/32 in	N/A 2.16 in54.9 mm	N/A
88345043161	N/A QF50S303X1-7/16	N/A 1-7/16 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345005387	N/A QF50X1-7/16	N/A 1-7/16 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345043713	N/A QF50X1-7/16U	N/A 1-7/16 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345044439	N/A QF50X1-9/16	N/A 1-9/16 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345044433	N/A QF50X1-11/16	N/A 1-11/16 in	N/A 50	N/A 3/8x3/16 in	N/A 2.16 in54.9 mm	N/A
88345044419	N/A QF50S303X1-15/16	N/A 1-15/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345005384	N/A QF50X1-15/16	N/A 1-15/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043179	N/A QF50X1-15/16U	N/A 1-15/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043184	N/A QF50X2-1/16	N/A 2-1/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345044440	N/A QF50X2-1/16SH	N/A 2-1/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345095897	N/A QF50S303X2-3/16	N/A 2-3/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345005393	N/A QF50X2-3/16	N/A 2-3/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043188	N/A QF50X2-3/16E	N/A 2-3/16 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345044446	N/A QF50X2-3/16SH	N/A 2-3/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345043715	N/A QF50X2-3/16U	N/A 2-3/16 in	N/A 50	N/A 1/2X1/4 in	N/A 2.16 in54.9 mm	N/A
88345044449	N/A QF50X2-5/16	N/A 2-5/16 in	N/A 50	N/A 5/8X5/16 in	N/A 2.16 in54.9 mm	N/A
88345044456	N/A QF50X3/4	N/A 3/4 in	N/A 50	N/A 3/16X3/32 in	N/A 2.16 in54.9 mm	N/A
88345005403	N/A QF50X7/8	N/A 7/8 in	N/A 50	N/A 3/16X3/32 in	N/A 2.16 in54.9 mm	N/A
88345044464	N/A QF50X7/8E	N/A 7/8 in	N/A 50	N/A 1/4x1/8 in	N/A 2.16 in54.9 mm	N/A
88345043708	N/A QF50X7/8U	N/A 7/8 in	N/A 50	N/A 3/16X3/32 in	N/A 2.16 in54.9 mm	N/A
88345044437	N/A QF50X15/16	N/A 15/16 in	N/A 50	N/A 1/4x1/8 in	N/A 2.16 in54.9 mm	N/A
88345032893	N/A QF50S303XPB	N/A Pilot 23/32 in	N/A 50	N/A No Keyway in	N/A 2.16 in54.9 mm	N/A
88345005405	N/A QF50XPB	N/A Pilot 23/32 in	N/A 50	N/A No Keyway in	N/A 2.16 in54.9 mm	N/A
88345043968	N/A QF100S303X1	N/A 1 in	N/A 100	N/A 1/4x1/8 in	N/A 2.46 in62.5 mm	N/A
88345043987	N/A QF100X1	N/A 1 in	N/A 100	N/A 1/4x1/8 in	N/A 2.46 in62.5 mm	N/A
88345042835	N/A QF100S303X2	N/A 2 in	N/A 100	N/A 1/2X1/4 in	N/A 2.46 in62.5 mm	N/A
88345005160	N/A QF100X2	N/A 2 in	N/A 100	N/A 1/2X1/4 in	N/A 2.46 in62.5 mm	N/A
88345043994	N/A QF100X2E	N/A 2 in	N/A 100	N/A 5/8X5/16 in	N/A 2.46 in62.5 mm	N/A
88345043733	N/A QF100X2U	N/A 2 in	N/A 100	N/A 1/2X1/4 in	N/A 2.46 in62.5 mm	N/A

201 - 250 of 494 | Results Per Page | View | Unit of Measure

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No Preference
1
1/2
11/16
1-1/16
1-1/2
1-1/4
1-1/8
1-11/16
1-15/16
13/16
1-3/16
1-3/4
1-3/8
1-5/32
15/16
1-5/16
1-5/8
1-7/16
1-7/8
1-9/16
2
2-1/16
2-1/2
2-1/4
2-1/8
2-11/16
2-13/16
2-15/16
2-3/16
2-3/4
2-3/8
2-5/16
2-5/8
2-7/16
2-7/8
2-9/16
3
3/8
3/4
3-1/16
3-1/2
3-1/4
3-1/8
3-11/16
3-15/16
3-3/16
3-3/4
3-3/8
3-5/16
3-5/8
3-7/16
3-7/8
3-9/16
4
4-1/4
4-1/8
5/8
7/8
9/16
Pilot
Pilot 1 1/2"
Pilot 1"
Pilot 15/16
Pilot 17/32
Pilot 23/32
Pilot 5/8
Solid

No Preference
1/2 x 1/4
1/2 x1/4
1/2X1/4
1/4 x 1/8
1/4x1/8
1/8 x 1/16
1/8x1/16
1/x1/2
1x1/2
3/16 x 3/32
3/16X3/32
3/32 x 3/64
3/4X3/8
3/8 x 3/16
3/8x3/16
5/16 x 5/32
5/16X5/32
5/8X5/16
7/8X7/16
No Keyway

Bore Size (in)

Coupling Size

Keyway Size (in)

Part Number

Description

Bore Size

Coupling Size

Keyway Size (W x D)

Length thru Bore

CAD