QUICK FLEX Standard Hubs with Keyway - Metric Bores On The Timken Company

Part Number	Description	Bore Size	Coupling Size	Keyway Size (mm)	Length thru Bore	CAD
88345040989	N/A QF175X60MM	N/A 60 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044104	N/A QF175S303X65MM	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345095850	N/A QF175X65MM	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044141	N/A QF175X65MMU	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044140	N/A QF175X65MME	N/A 65 mm	N/A 175	N/A 20 x 4.9	N/A 2.67 in67.8 mm	N/A
88345043007	N/A QF175X70MM	N/A 70 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345043009	N/A QF175X70MMU	N/A 70 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345044105	N/A QF175S303X75MM	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345043010	N/A QF175X75MM	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345049999	N/A QF175X75MMU	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345044144	N/A QF175X75MME	N/A 75 mm	N/A 175	N/A 22 X 5.4	N/A 2.67 in67.8 mm	N/A
88345044106	N/A QF175S303X80MM	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345095851	N/A QF175X80MM	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345095557	N/A QF175S303X80MMU	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044147	N/A QF175X80MMU	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044107	N/A QF175S303X85MM	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345096028	N/A QF175X85MM	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345096437	N/A QF175S303X85MMU	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345046176	N/A QF175X85MMU	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345096011	N/A QF175X90MM	N/A 90 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345096432	N/A QF175X95MM	N/A 95 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345096438	N/A QF175S303X95MMU	N/A 95 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345049320	N/A QF175X95MMU	N/A 95 mm	N/A 175	N/A 25x5.4	N/A 2.67 in67.8 mm	N/A
88345044237	N/A QF250X30MM	N/A 30 mm	N/A 250	N/A 8x3.3	N/A 3.1 in78.7 mm	N/A
88345044250	N/A QF250X50MM	N/A 50 mm	N/A 250	N/A 14x3.8	N/A 3.1 in78.7 mm	N/A

88345040989

N/A QF175X60MM

N/A 60 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044104

N/A QF175S303X65MM

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345095850

N/A QF175X65MM

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044141

N/A QF175X65MMU

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044140

N/A QF175X65MME

N/A 65 mm

N/A 175

N/A 20 x 4.9

N/A 2.67 in67.8 mm

N/A

88345043007

N/A QF175X70MM

N/A 70 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345043009

N/A QF175X70MMU

N/A 70 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345044105

N/A QF175S303X75MM

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345043010

N/A QF175X75MM

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345049999

N/A QF175X75MMU

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345044144

N/A QF175X75MME

N/A 75 mm

N/A 175

N/A 22 X 5.4

N/A 2.67 in67.8 mm

N/A

88345044106

N/A QF175S303X80MM

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345095851

N/A QF175X80MM

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345095557

N/A QF175S303X80MMU

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044147

N/A QF175X80MMU

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044107

N/A QF175S303X85MM

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345096028

N/A QF175X85MM

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345096437

N/A QF175S303X85MMU

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345046176

N/A QF175X85MMU

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345096011

N/A QF175X90MM

N/A 90 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345096432

N/A QF175X95MM

N/A 95 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345096438

N/A QF175S303X95MMU

N/A 95 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345049320

N/A QF175X95MMU

N/A 95 mm

N/A 175

N/A 25x5.4

N/A 2.67 in67.8 mm

N/A

88345044237

N/A QF250X30MM

N/A 30 mm

N/A 250

N/A 8x3.3

N/A 3.1 in78.7 mm

N/A

88345044250

N/A QF250X50MM

N/A 50 mm

N/A 250

N/A 14x3.8

N/A 3.1 in78.7 mm

N/A

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No Preference
10x3.3
12 X 3.3
12x3.3
14x3.8
16 x 4.3
16x4.3
18x4.4
20 x 4.9
20x4.9
22 X 5.4
22x5.4
25x5.4
28x6.4
32x7.4
36x8.4
3x1.4
40x9.4
45x10.4
4x1.8
50x11.4
56x12.4
5x2.3
6x2.8
8 X 3.3
8x3.3

Bore Size (mm)

Coupling Size

Keyway Size

Part Number

Description

Bore Size

Coupling Size

Keyway Size (mm)

Length thru Bore

CAD