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

Part Number	Description	Bore Size	Coupling Size	Keyway Size (W x D)	Length thru Bore	CAD
88345005170	N/A QF100X3	N/A 3 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345043737	N/A QF100X3U	N/A 3 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345043989	N/A QF100X2-1/2E	N/A 2-1/2 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345042842	N/A QF100S303X2-7/8	N/A 2-7/8 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345005169	N/A QF100X2-7/8	N/A 2-7/8 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345042878	N/A QF100X2-7/8U	N/A 2-7/8 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345042873	N/A QF100X2-13/16	N/A 2-13/16 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345043976	N/A QF100S303X2-15/16	N/A 2-15/16 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345005163	N/A QF100X2-15/16	N/A 2-15/16 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345042874	N/A QF100X2-15/16U	N/A 2-15/16 in	N/A 100	N/A 3/4x3/8 in	N/A 2.46 in62.5 mm	N/A
88345044093	N/A QF175S303X3	N/A 3 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345042986	N/A QF175X3	N/A 3 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345043224	N/A QF175X3U	N/A 3 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345044114	N/A QF175X2-1/2E	N/A 2-1/2 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345044095	N/A QF175S303X3-1/4	N/A 3-1/4 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345042989	N/A QF175X3-1/4	N/A 3-1/4 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345096043	N/A QF175X3-1/4U	N/A 3-1/4 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345044120	N/A QF175X2-3/8E	N/A 2-3/8 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345044092	N/A QF175S303X2-7/8	N/A 2-7/8 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345042983	N/A QF175X2-7/8	N/A 2-7/8 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345042984	N/A QF175X2-7/8U	N/A 2-7/8 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345044096	N/A QF175S303X3-1/8	N/A 3-1/8 in	N/A 175	N/A 3/4x3/8 in	N/A 2.67 in67.8 mm	N/A
88345096459	N/A QF175X3-1/8	N/A 3-1/8 in	N/A 175	N/A 3/4x3/8 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

88345005170

N/A QF100X3

N/A 3 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345043737

N/A QF100X3U

N/A 3 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345043989

N/A QF100X2-1/2E

N/A 2-1/2 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345042842

N/A QF100S303X2-7/8

N/A 2-7/8 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345005169

N/A QF100X2-7/8

N/A 2-7/8 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345042878

N/A QF100X2-7/8U

N/A 2-7/8 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345042873

N/A QF100X2-13/16

N/A 2-13/16 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345043976

N/A QF100S303X2-15/16

N/A 2-15/16 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345005163

N/A QF100X2-15/16

N/A 2-15/16 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345042874

N/A QF100X2-15/16U

N/A 2-15/16 in

N/A 100

N/A 3/4x3/8 in

N/A 2.46 in62.5 mm

N/A

88345044093

N/A QF175S303X3

N/A 3 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345042986

N/A QF175X3

N/A 3 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345043224

N/A QF175X3U

N/A 3 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345044114

N/A QF175X2-1/2E

N/A 2-1/2 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345044095

N/A QF175S303X3-1/4

N/A 3-1/4 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345042989

N/A QF175X3-1/4

N/A 3-1/4 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345096043

N/A QF175X3-1/4U

N/A 3-1/4 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345044120

N/A QF175X2-3/8E

N/A 2-3/8 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345044092

N/A QF175S303X2-7/8

N/A 2-7/8 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345042983

N/A QF175X2-7/8

N/A 2-7/8 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345042984

N/A QF175X2-7/8U

N/A 2-7/8 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345044096

N/A QF175S303X3-1/8

N/A 3-1/8 in

N/A 175

N/A 3/4x3/8 in

N/A 2.67 in67.8 mm

N/A

88345096459

N/A QF175X3-1/8

N/A 3-1/8 in

N/A 175

N/A 3/4x3/8 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

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First Name ^*
Last Name ^*
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Department ^*
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Phone Number

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
15/16
1-5/16
1-5/32
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
3/4
3/8
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