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
88345044448	N/A QF50X24MM	N/A 24.00 mm	N/A 50	N/A 8x3.3	N/A 2.16 in54.9 mm	N/A
88345032903	N/A QF5S303X25MM	N/A 25.00 mm	N/A 5	N/A 8x3.3	N/A 1.08 in27.4 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
88345005225	N/A QF15X25MM	N/A 25.00 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345043682	N/A QF15X25MMU	N/A 25.00 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345043076	N/A QF25S303X25MM	N/A 25.00 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345005320	N/A QF25X25MM	N/A 25.00 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345043699	N/A QF25X25MMU	N/A 25.00 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345044450	N/A QF50X25MM	N/A 25.00 mm	N/A 50	N/A 8x3.3	N/A 2.16 in54.9 mm	N/A
88345042928	N/A QF15X27MM	N/A 27 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345044292	N/A QF25X27MM	N/A 27 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 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
88345005226	N/A QF15X28MM	N/A 28 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345043683	N/A QF15X28MMU	N/A 28 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345096378	N/A QF25S303X28MM	N/A 28 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345005321	N/A QF25X28MM	N/A 28 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345043700	N/A QF25X28MMU	N/A 28 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345044454	N/A QF50X28MM	N/A 28 mm	N/A 50	N/A 8x3.3	N/A 2.16 in54.9 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
88345005228	N/A QF15X30MM	N/A 30 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345043684	N/A QF15X30MMU	N/A 30 mm	N/A 15	N/A 8x3.3	N/A 1.34 in34 mm	N/A
88345043077	N/A QF25S303X30MM	N/A 30 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345005323	N/A QF25X30MM	N/A 30 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345043701	N/A QF25X30MMU	N/A 30 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345043996	N/A QF100X30MM	N/A 30 mm	N/A 100	N/A 8x3.3	N/A 2.46 in62.5 mm	N/A

88345044448

N/A QF50X24MM

N/A 24.00 mm

N/A 50

N/A 8x3.3

N/A 2.16 in54.9 mm

N/A

88345032903

N/A QF5S303X25MM

N/A 25.00 mm

N/A 5

N/A 8x3.3

N/A 1.08 in27.4 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

88345005225

N/A QF15X25MM

N/A 25.00 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345043682

N/A QF15X25MMU

N/A 25.00 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345043076

N/A QF25S303X25MM

N/A 25.00 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345005320

N/A QF25X25MM

N/A 25.00 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345043699

N/A QF25X25MMU

N/A 25.00 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345044450

N/A QF50X25MM

N/A 25.00 mm

N/A 50

N/A 8x3.3

N/A 2.16 in54.9 mm

N/A

88345042928

N/A QF15X27MM

N/A 27 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345044292

N/A QF25X27MM

N/A 27 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 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

88345005226

N/A QF15X28MM

N/A 28 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345043683

N/A QF15X28MMU

N/A 28 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345096378

N/A QF25S303X28MM

N/A 28 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345005321

N/A QF25X28MM

N/A 28 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345043700

N/A QF25X28MMU

N/A 28 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345044454

N/A QF50X28MM

N/A 28 mm

N/A 50

N/A 8x3.3

N/A 2.16 in54.9 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

88345005228

N/A QF15X30MM

N/A 30 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345043684

N/A QF15X30MMU

N/A 30 mm

N/A 15

N/A 8x3.3

N/A 1.34 in34 mm

N/A

88345043077

N/A QF25S303X30MM

N/A 30 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345005323

N/A QF25X30MM

N/A 30 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345043701

N/A QF25X30MMU

N/A 30 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345043996

N/A QF100X30MM

N/A 30 mm

N/A 100

N/A 8x3.3

N/A 2.46 in62.5 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