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
88345044021	N/A QF10260X220MMU	N/A 220 mm	N/A 10260	N/A 50x11.4	N/A 7.22 in183.4 mm	N/A
88345044022	N/A QF10260X225MM	N/A 225 mm	N/A 10260	N/A 50x11.4	N/A 7.22 in183.4 mm	N/A
88345044023	N/A QF10260X230MM	N/A 230 mm	N/A 10260	N/A 50x11.4	N/A 7.22 in183.4 mm	N/A
88345043497	N/A QF10260X240MMU	N/A 240 mm	N/A 10260	N/A 56x12.4	N/A 7.22 in183.4 mm	N/A
88345044024	N/A QF10260X250MM	N/A 250 mm	N/A 10260	N/A 56x12.4	N/A 7.22 in183.4 mm	N/A
88345044025	N/A QF10260X254MM	N/A 254 mm	N/A 10260	N/A 56x12.4	N/A 7.22 in183.4 mm	N/A
88345044026	N/A QF10260X260MM	N/A 260 mm	N/A 10260	N/A 56x12.4	N/A 7.22 in183.4 mm	N/A
88345032896	N/A QF5S303X14MM	N/A 14 mm	N/A 5	N/A 5x2.3	N/A 1.08 in27.4 mm	N/A
88345032897	N/A QF5S303X15MM	N/A 15 mm	N/A 5	N/A 5x2.3	N/A 1.08 in27.4 mm	N/A
88345032898	N/A QF5S303X16MM	N/A 16 mm	N/A 5	N/A 5x2.3	N/A 1.08 in27.4 mm	N/A
88345046346	N/A QF5S303X17MM	N/A 17 mm	N/A 5	N/A 5x2.3	N/A 1.08 in27.4 mm	N/A
88345046177	N/A QF5S303X17MMU	N/A 17 mm	N/A 5	N/A 5x2.3	N/A 1.08 in27.4 mm	N/A
88345044067	N/A QF15X14MM	N/A 14 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044068	N/A QF15X14MMU	N/A 14 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044072	N/A QF15X15MM	N/A 15 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044051	N/A QF15S303X16MM	N/A 16 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044073	N/A QF15X16MM	N/A 16 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044075	N/A QF15X17MM	N/A 17 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044076	N/A QF15X18MM	N/A 18 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 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
88345005223	N/A QF15X19MM	N/A 19.00 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345043678	N/A QF15X19MMU	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
88345031031	N/A QF15X20MM	N/A 20.00 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A
88345043679	N/A QF15X20MMU	N/A 20.00 mm	N/A 15	N/A 6x2.8	N/A 1.34 in34 mm	N/A

88345044021

N/A QF10260X220MMU

N/A 220 mm

N/A 10260

N/A 50x11.4

N/A 7.22 in183.4 mm

N/A

88345044022

N/A QF10260X225MM

N/A 225 mm

N/A 10260

N/A 50x11.4

N/A 7.22 in183.4 mm

N/A

88345044023

N/A QF10260X230MM

N/A 230 mm

N/A 10260

N/A 50x11.4

N/A 7.22 in183.4 mm

N/A

88345043497

N/A QF10260X240MMU

N/A 240 mm

N/A 10260

N/A 56x12.4

N/A 7.22 in183.4 mm

N/A

88345044024

N/A QF10260X250MM

N/A 250 mm

N/A 10260

N/A 56x12.4

N/A 7.22 in183.4 mm

N/A

88345044025

N/A QF10260X254MM

N/A 254 mm

N/A 10260

N/A 56x12.4

N/A 7.22 in183.4 mm

N/A

88345044026

N/A QF10260X260MM

N/A 260 mm

N/A 10260

N/A 56x12.4

N/A 7.22 in183.4 mm

N/A

88345032896

N/A QF5S303X14MM

N/A 14 mm

N/A 5

N/A 5x2.3

N/A 1.08 in27.4 mm

N/A

88345032897

N/A QF5S303X15MM

N/A 15 mm

N/A 5

N/A 5x2.3

N/A 1.08 in27.4 mm

N/A

88345032898

N/A QF5S303X16MM

N/A 16 mm

N/A 5

N/A 5x2.3

N/A 1.08 in27.4 mm

N/A

88345046346

N/A QF5S303X17MM

N/A 17 mm

N/A 5

N/A 5x2.3

N/A 1.08 in27.4 mm

N/A

88345046177

N/A QF5S303X17MMU

N/A 17 mm

N/A 5

N/A 5x2.3

N/A 1.08 in27.4 mm

N/A

88345044067

N/A QF15X14MM

N/A 14 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044068

N/A QF15X14MMU

N/A 14 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044072

N/A QF15X15MM

N/A 15 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044051

N/A QF15S303X16MM

N/A 16 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044073

N/A QF15X16MM

N/A 16 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044075

N/A QF15X17MM

N/A 17 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044076

N/A QF15X18MM

N/A 18 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 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

88345005223

N/A QF15X19MM

N/A 19.00 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345043678

N/A QF15X19MMU

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

88345031031

N/A QF15X20MM

N/A 20.00 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 mm

N/A

88345043679

N/A QF15X20MMU

N/A 20.00 mm

N/A 15

N/A 6x2.8

N/A 1.34 in34 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