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
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
88345044292	N/A QF25X27MM	N/A 27 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 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
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
88345043078	N/A QF25S303X32MM	N/A 32.00 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345005324	N/A QF25X32MM	N/A 32.00 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345043702	N/A QF25X32MMU	N/A 32.00 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345044295	N/A QF25X33MM	N/A 33 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345028590	N/A QF25X34MM	N/A 34 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345043703	N/A QF25X34MMU	N/A 34 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345044268	N/A QF25S303X35MM	N/A 35 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345032987	N/A QF25X35MM	N/A 35 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345043704	N/A QF25X35MMU	N/A 35 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345044296	N/A QF25X37MM	N/A 37 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345032988	N/A QF25X38MM	N/A 38 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345095984	N/A QF25X38MMU	N/A 38 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345043079	N/A QF25S303X40MM	N/A 40 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345005326	N/A QF25X40MM	N/A 40 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345043672	N/A QF25X40MMU	N/A 40 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345044297	N/A QF25X41MM	N/A 41 mm	N/A 25	N/A 12x3.3	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

88345044292

N/A QF25X27MM

N/A 27 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 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

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

88345043078

N/A QF25S303X32MM

N/A 32.00 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345005324

N/A QF25X32MM

N/A 32.00 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345043702

N/A QF25X32MMU

N/A 32.00 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345044295

N/A QF25X33MM

N/A 33 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345028590

N/A QF25X34MM

N/A 34 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345043703

N/A QF25X34MMU

N/A 34 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345044268

N/A QF25S303X35MM

N/A 35 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345032987

N/A QF25X35MM

N/A 35 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345043704

N/A QF25X35MMU

N/A 35 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345044296

N/A QF25X37MM

N/A 37 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345032988

N/A QF25X38MM

N/A 38 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345095984

N/A QF25X38MMU

N/A 38 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345043079

N/A QF25S303X40MM

N/A 40 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345005326

N/A QF25X40MM

N/A 40 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345043672

N/A QF25X40MMU

N/A 40 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345044297

N/A QF25X41MM

N/A 41 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 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