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
88345044279	N/A QF25X12MM	N/A 12 mm	N/A 25	N/A 4x1.8	N/A 1.81 in46 mm	N/A
88345044285	N/A QF25X18MM	N/A 18 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345005316	N/A QF25X19MM	N/A 19.00 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345043694	N/A QF25X19MMU	N/A 19.00 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345043108	N/A QF25X20MM	N/A 20.00 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345043695	N/A QF25X20MMU	N/A 20.00 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345043696	N/A QF25X22MM	N/A 22 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345043697	N/A QF25X22MMU	N/A 22 mm	N/A 25	N/A 6x2.8	N/A 1.81 in46 mm	N/A
88345005319	N/A QF25X24MM	N/A 24.00 mm	N/A 25	N/A 8x3.3	N/A 1.81 in46 mm	N/A
88345043698	N/A QF25X24MMU	N/A 24.00 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
88345044292	N/A QF25X27MM	N/A 27 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
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
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
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

88345044279

N/A QF25X12MM

N/A 12 mm

N/A 25

N/A 4x1.8

N/A 1.81 in46 mm

N/A

88345044285

N/A QF25X18MM

N/A 18 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345005316

N/A QF25X19MM

N/A 19.00 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345043694

N/A QF25X19MMU

N/A 19.00 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345043108

N/A QF25X20MM

N/A 20.00 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345043695

N/A QF25X20MMU

N/A 20.00 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345043696

N/A QF25X22MM

N/A 22 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345043697

N/A QF25X22MMU

N/A 22 mm

N/A 25

N/A 6x2.8

N/A 1.81 in46 mm

N/A

88345005319

N/A QF25X24MM

N/A 24.00 mm

N/A 25

N/A 8x3.3

N/A 1.81 in46 mm

N/A

88345043698

N/A QF25X24MMU

N/A 24.00 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

88345044292

N/A QF25X27MM

N/A 27 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

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

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

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

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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