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

88345044119	N/A QF175X2-3/16	N/A 2-3/16 in	N/A 175	N/A 1/2X1/4 in	N/A 2.67 in67.8 mm	N/A
88345044091	N/A QF175S303X2-7/16	N/A 2-7/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345042982	N/A QF175X2-7/16	N/A 2-7/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345044123	N/A QF175X2-7/16U	N/A 2-7/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345045824	N/A QF175X2-9/16	N/A 2-9/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345042976	N/A QF175X2-11/16	N/A 2-11/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345044116	N/A QF175X2-11/16U	N/A 2-11/16 in	N/A 175	N/A 5/8X5/16 in	N/A 2.67 in67.8 mm	N/A
88345044117	N/A QF175X2-13/16U	N/A 2-13/16 in	N/A 175	N/A 3/4X3/8 in	N/A 2.67 in67.8 mm	N/A
88345042977	N/A QF175X2-15/16	N/A 2-15/16 in	N/A 175	N/A 3/4X3/8 in	N/A 2.67 in67.8 mm	N/A
88345042978	N/A QF175X2-15/16E	N/A 2-15/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345044118	N/A QF175X2-15/16U	N/A 2-15/16 in	N/A 175	N/A 3/4X3/8 in	N/A 2.67 in67.8 mm	N/A
88345042991	N/A QF175X3-3/16	N/A 3-3/16 in	N/A 175	N/A 3/4X3/8 in	N/A 2.67 in67.8 mm	N/A
88345042992	N/A QF175X3-3/16U	N/A 3-3/16 in	N/A 175	N/A 3/4X3/8 in	N/A 2.67 in67.8 mm	N/A
88345044129	N/A QF175X3-5/16	N/A 3-5/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345044101	N/A QF175S303X3-7/16	N/A 3-7/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345096027	N/A QF175X3-7/16	N/A 3-7/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345096044	N/A QF175X3-7/16U	N/A 3-7/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345044126	N/A QF175X3-11/16	N/A 3-11/16 in	N/A 175	N/A 7/8X7/16 in	N/A 2.67 in67.8 mm	N/A
88345044097	N/A QF175S303X3-15/16	N/A 3-15/16 in	N/A 175	N/A 1x1/2 in	N/A 2.67 in67.8 mm	N/A
88345042990	N/A QF175X3-15/16	N/A 3-15/16 in	N/A 175	N/A 1x1/2 in	N/A 2.67 in67.8 mm	N/A
88345045793	N/A QF175X3-15/16U	N/A 3-15/16 in	N/A 175	N/A 1x1/2 in	N/A 2.67 in67.8 mm	N/A
88345044125	N/A QF175X3/4	N/A 3/4 in	N/A 175	N/A 3/16X3/32 in	N/A 2.67 in67.8 mm	N/A
88345044142	N/A QF175X7/8	N/A 7/8 in	N/A 175	N/A 3/16X3/32 in	N/A 2.67 in67.8 mm	N/A
88345042931	N/A QF175S303XPB	N/A Pilot 1" in	N/A 175	N/A No Keyway in	N/A 2.67 in67.8 mm	N/A
88345043251	N/A QF175XNB	N/A Solid in	N/A 175	N/A No Keyway in	N/A 2.67 in67.8 mm	N/A
88345005248	N/A QF175XPB	N/A Solid in	N/A 175	N/A No Keyway in	N/A 2.67 in67.8 mm	N/A
88345041001	N/A QF175XPBTD	N/A Pilot 1" in	N/A 175	N/A No Keyway in	N/A 2.67 in67.8 mm	N/A
88345045657	N/A QF175XPBTDC	N/A Pilot 1" in	N/A 175	N/A No Keyway in	N/A 2.67 in67.8 mm	N/A
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

401 - 450 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