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
88345031032	N/A QF15X22MM	N/A 22 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345031033	N/A QF15X35MM	N/A 35 mm	N/A 15	N/A 10x3.3	N/A 1.34 in34 mm	N/A
88345031036	N/A QF50X30MM	N/A 30 mm	N/A 50	N/A 8x3.3	N/A 2.16 in54.9 mm	N/A
88345031037	N/A QF50X32MM	N/A 32.00 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345031038	N/A QF50X35MM	N/A 35 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345031039	N/A QF50X38MM	N/A 38 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345031040	N/A QF50X40MM	N/A 40 mm	N/A 50	N/A 12x3.3	N/A 2.16 in54.9 mm	N/A
88345031041	N/A QF50X42MM	N/A 42 mm	N/A 50	N/A 12x3.3	N/A 2.16 in54.9 mm	N/A
88345031042	N/A QF50X45MM	N/A 45 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 mm	N/A
88345031043	N/A QF50X50MM	N/A 50 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 mm	N/A
88345031044	N/A QF50X55MM	N/A 55 mm	N/A 50	N/A 16x4.3	N/A 2.16 in54.9 mm	N/A
88345031045	N/A QF50X60MM	N/A 60 mm	N/A 50	N/A 18x4.4	N/A 2.16 in54.9 mm	N/A
88345032882	N/A QF15S303X19MM	N/A 19.00 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345032883	N/A QF15S303X20MM	N/A 20.00 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345032884	N/A QF15S303X22MM	N/A 22 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345032885	N/A QF15S303X24MM	N/A 24.00 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345032886	N/A QF15S303X25MM	N/A 25.00 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345032887	N/A QF15S303X28MM	N/A 28 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345032888	N/A QF15S303X30MM	N/A 30 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345032889	N/A QF15S303X32MM	N/A 32.00 mm	N/A 15	N/A 10x3.3	N/A 1.34 in34 mm	N/A
88345032890	N/A QF15S303X35MM	N/A 35 mm	N/A 15	N/A 10x3.3	N/A 1.34 in34 mm	N/A
88345032891	N/A QF15S303X38MM	N/A 38 mm	N/A 15	N/A 10x3.3	N/A 1.34 in34 mm	N/A
88345032892	N/A QF15S303X40MM	N/A 40 mm	N/A 15	N/A 12x3.3	N/A 1.34 in34 mm	N/A
88345032894	N/A QF5S303X11MM	N/A 11 mm	N/A 5	N/A 4x1.8	N/A 1.08 in27.4 mm	N/A
88345032895	N/A QF5S303X12MM	N/A 12 mm	N/A 5	N/A 4x1.8	N/A 1.08 in27.4 mm	N/A

88345031032

N/A QF15X22MM

N/A 22 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345031033

N/A QF15X35MM

N/A 35 mm

N/A 15

N/A 10x3.3

N/A 1.34 in34 mm

N/A

88345031036

N/A QF50X30MM

N/A 30 mm

N/A 50

N/A 8x3.3

N/A 2.16 in54.9 mm

N/A

88345031037

N/A QF50X32MM

N/A 32.00 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345031038

N/A QF50X35MM

N/A 35 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345031039

N/A QF50X38MM

N/A 38 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345031040

N/A QF50X40MM

N/A 40 mm

N/A 50

N/A 12x3.3

N/A 2.16 in54.9 mm

N/A

88345031041

N/A QF50X42MM

N/A 42 mm

N/A 50

N/A 12x3.3

N/A 2.16 in54.9 mm

N/A

88345031042

N/A QF50X45MM

N/A 45 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 mm

N/A

88345031043

N/A QF50X50MM

N/A 50 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 mm

N/A

88345031044

N/A QF50X55MM

N/A 55 mm

N/A 50

N/A 16x4.3

N/A 2.16 in54.9 mm

N/A

88345031045

N/A QF50X60MM

N/A 60 mm

N/A 50

N/A 18x4.4

N/A 2.16 in54.9 mm

N/A

88345032882

N/A QF15S303X19MM

N/A 19.00 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345032883

N/A QF15S303X20MM

N/A 20.00 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345032884

N/A QF15S303X22MM

N/A 22 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345032885

N/A QF15S303X24MM

N/A 24.00 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345032886

N/A QF15S303X25MM

N/A 25.00 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345032887

N/A QF15S303X28MM

N/A 28 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345032888

N/A QF15S303X30MM

N/A 30 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345032889

N/A QF15S303X32MM

N/A 32.00 mm

N/A 15

N/A 10x3.3

N/A 1.34 in34 mm

N/A

88345032890

N/A QF15S303X35MM

N/A 35 mm

N/A 15

N/A 10x3.3

N/A 1.34 in34 mm

N/A

88345032891

N/A QF15S303X38MM

N/A 38 mm

N/A 15

N/A 10x3.3

N/A 1.34 in34 mm

N/A

88345032892

N/A QF15S303X40MM

N/A 40 mm

N/A 15

N/A 12x3.3

N/A 1.34 in34 mm

N/A

88345032894

N/A QF5S303X11MM

N/A 11 mm

N/A 5

N/A 4x1.8

N/A 1.08 in27.4 mm

N/A

88345032895

N/A QF5S303X12MM

N/A 12 mm

N/A 5

N/A 4x1.8

N/A 1.08 in27.4 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