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
88345043700	N/A QF25X28MMU	N/A 28 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
88345043702	N/A QF25X32MMU	N/A 32.00 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
88345043704	N/A QF25X35MMU	N/A 35 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345043705	N/A QF25X42MMU	N/A 42 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345043706	N/A QF25X45MMU	N/A 45 mm	N/A 25	N/A 14x3.8	N/A 1.81 in46 mm	N/A
88345043707	N/A QF25X50MMU	N/A 50 mm	N/A 25	N/A 14x3.8	N/A 1.81 in46 mm	N/A
88345043716	N/A QF50X30MMU	N/A 30 mm	N/A 50	N/A 8x3.3	N/A 2.16 in54.9 mm	N/A
88345043717	N/A QF50X32MMU	N/A 32.00 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345043718	N/A QF50X34MM	N/A 34 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345043719	N/A QF50X34MMU	N/A 34 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345043720	N/A QF50X35MMU	N/A 35 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345043721	N/A QF50X38MMU	N/A 38 mm	N/A 50	N/A 10x3.3	N/A 2.16 in54.9 mm	N/A
88345043722	N/A QF50X42MMU	N/A 42 mm	N/A 50	N/A 12x3.3	N/A 2.16 in54.9 mm	N/A
88345043723	N/A QF50X45MMU	N/A 45 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 mm	N/A
88345043724	N/A QF50X48MMU	N/A 48 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 mm	N/A
88345043725	N/A QF50X50MMU	N/A 50 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 mm	N/A
88345043726	N/A QF50X55MMU	N/A 55 mm	N/A 50	N/A 16x4.3	N/A 2.16 in54.9 mm	N/A
88345043738	N/A QF100X42MMU	N/A 42 mm	N/A 100	N/A 12x3.3	N/A 2.46 in62.5 mm	N/A
88345043739	N/A QF100X45MMU	N/A 45 mm	N/A 100	N/A 14x3.8	N/A 2.46 in62.5 mm	N/A
88345043740	N/A QF100X48MMU	N/A 48 mm	N/A 100	N/A 14x3.8	N/A 2.46 in62.5 mm	N/A
88345043741	N/A QF100X50MMU	N/A 50 mm	N/A 100	N/A 14x3.8	N/A 2.46 in62.5 mm	N/A
88345043742	N/A QF100X55MMU	N/A 55 mm	N/A 100	N/A 16x4.3	N/A 2.46 in62.5 mm	N/A
88345043743	N/A QF100X60MMU	N/A 60 mm	N/A 100	N/A 18x4.4	N/A 2.46 in62.5 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

88345043701

N/A QF25X30MMU

N/A 30 mm

N/A 25

N/A 8x3.3

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

88345043703

N/A QF25X34MMU

N/A 34 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

88345043705

N/A QF25X42MMU

N/A 42 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345043706

N/A QF25X45MMU

N/A 45 mm

N/A 25

N/A 14x3.8

N/A 1.81 in46 mm

N/A

88345043707

N/A QF25X50MMU

N/A 50 mm

N/A 25

N/A 14x3.8

N/A 1.81 in46 mm

N/A

88345043716

N/A QF50X30MMU

N/A 30 mm

N/A 50

N/A 8x3.3

N/A 2.16 in54.9 mm

N/A

88345043717

N/A QF50X32MMU

N/A 32.00 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345043718

N/A QF50X34MM

N/A 34 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345043719

N/A QF50X34MMU

N/A 34 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345043720

N/A QF50X35MMU

N/A 35 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345043721

N/A QF50X38MMU

N/A 38 mm

N/A 50

N/A 10x3.3

N/A 2.16 in54.9 mm

N/A

88345043722

N/A QF50X42MMU

N/A 42 mm

N/A 50

N/A 12x3.3

N/A 2.16 in54.9 mm

N/A

88345043723

N/A QF50X45MMU

N/A 45 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 mm

N/A

88345043724

N/A QF50X48MMU

N/A 48 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 mm

N/A

88345043725

N/A QF50X50MMU

N/A 50 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 mm

N/A

88345043726

N/A QF50X55MMU

N/A 55 mm

N/A 50

N/A 16x4.3

N/A 2.16 in54.9 mm

N/A

88345043738

N/A QF100X42MMU

N/A 42 mm

N/A 100

N/A 12x3.3

N/A 2.46 in62.5 mm

N/A

88345043739

N/A QF100X45MMU

N/A 45 mm

N/A 100

N/A 14x3.8

N/A 2.46 in62.5 mm

N/A

88345043740

N/A QF100X48MMU

N/A 48 mm

N/A 100

N/A 14x3.8

N/A 2.46 in62.5 mm

N/A

88345043741

N/A QF100X50MMU

N/A 50 mm

N/A 100

N/A 14x3.8

N/A 2.46 in62.5 mm

N/A

88345043742

N/A QF100X55MMU

N/A 55 mm

N/A 100

N/A 16x4.3

N/A 2.46 in62.5 mm

N/A

88345043743

N/A QF100X60MMU

N/A 60 mm

N/A 100

N/A 18x4.4

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