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
88345005175	N/A QF100X65MM	N/A 65 mm	N/A 100	N/A 18x4.4	N/A 2.46 in62.5 mm	N/A
88345043744	N/A QF100X65MMU	N/A 65 mm	N/A 100	N/A 18x4.4	N/A 2.46 in62.5 mm	N/A
88345096377	N/A QF100S303X70MM	N/A 70 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345005176	N/A QF100X70MM	N/A 70 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345042885	N/A QF100X70MMU	N/A 70 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345044005	N/A QF100X73MM	N/A 73 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345095986	N/A QF100S303X75MM	N/A 75 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345005177	N/A QF100X75MM	N/A 75 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345042886	N/A QF100X75MMU	N/A 75 mm	N/A 100	N/A 20x4.9	N/A 2.46 in62.5 mm	N/A
88345044131	N/A QF175X35MM	N/A 35 mm	N/A 175	N/A 10x3.3	N/A 2.67 in67.8 mm	N/A
88345050078	N/A QF175X39MM	N/A 39 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345043000	N/A QF175X40MM	N/A 40 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345043001	N/A QF175X42MM	N/A 42 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345044134	N/A QF175X42MMU	N/A 42 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345096002	N/A QF175X45MM	N/A 45 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 mm	N/A
88345044103	N/A QF175S303X50MM	N/A 50 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 mm	N/A
88345096052	N/A QF175X50MM	N/A 50 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 mm	N/A
88345043002	N/A QF175X50MMU	N/A 50 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 mm	N/A
88345044136	N/A QF175X52MM	N/A 52 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345043003	N/A QF175X55MM	N/A 55 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345043005	N/A QF175X55MMU	N/A 55 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044138	N/A QF175X56MMU	N/A 56 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044139	N/A QF175X58MM	N/A 58 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 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

88345005175

N/A QF100X65MM

N/A 65 mm

N/A 100

N/A 18x4.4

N/A 2.46 in62.5 mm

N/A

88345043744

N/A QF100X65MMU

N/A 65 mm

N/A 100

N/A 18x4.4

N/A 2.46 in62.5 mm

N/A

88345096377

N/A QF100S303X70MM

N/A 70 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345005176

N/A QF100X70MM

N/A 70 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345042885

N/A QF100X70MMU

N/A 70 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345044005

N/A QF100X73MM

N/A 73 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345095986

N/A QF100S303X75MM

N/A 75 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345005177

N/A QF100X75MM

N/A 75 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345042886

N/A QF100X75MMU

N/A 75 mm

N/A 100

N/A 20x4.9

N/A 2.46 in62.5 mm

N/A

88345044131

N/A QF175X35MM

N/A 35 mm

N/A 175

N/A 10x3.3

N/A 2.67 in67.8 mm

N/A

88345050078

N/A QF175X39MM

N/A 39 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345043000

N/A QF175X40MM

N/A 40 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345043001

N/A QF175X42MM

N/A 42 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345044134

N/A QF175X42MMU

N/A 42 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345096002

N/A QF175X45MM

N/A 45 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 mm

N/A

88345044103

N/A QF175S303X50MM

N/A 50 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 mm

N/A

88345096052

N/A QF175X50MM

N/A 50 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 mm

N/A

88345043002

N/A QF175X50MMU

N/A 50 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 mm

N/A

88345044136

N/A QF175X52MM

N/A 52 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345043003

N/A QF175X55MM

N/A 55 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345043005

N/A QF175X55MMU

N/A 55 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044138

N/A QF175X56MMU

N/A 56 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044139

N/A QF175X58MM

N/A 58 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 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

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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