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
88345044139	N/A QF175X58MM	N/A 58 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044138	N/A QF175X56MMU	N/A 56 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044136	N/A QF175X52MM	N/A 52 mm	N/A 175	N/A 16x4.3	N/A 2.67 in67.8 mm	N/A
88345044134	N/A QF175X42MMU	N/A 42 mm	N/A 175	N/A 12x3.3	N/A 2.67 in67.8 mm	N/A
88345044131	N/A QF175X35MM	N/A 35 mm	N/A 175	N/A 10x3.3	N/A 2.67 in67.8 mm	N/A
88345044107	N/A QF175S303X85MM	N/A 85 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044106	N/A QF175S303X80MM	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044105	N/A QF175S303X75MM	N/A 75 mm	N/A 175	N/A 20x4.9	N/A 2.67 in67.8 mm	N/A
88345044104	N/A QF175S303X65MM	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044103	N/A QF175S303X50MM	N/A 50 mm	N/A 175	N/A 14x3.8	N/A 2.67 in67.8 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
88345044075	N/A QF15X17MM	N/A 17 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
88345044072	N/A QF15X15MM	N/A 15 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
88345044067	N/A QF15X14MM	N/A 14 mm	N/A 15	N/A 5x2.3	N/A 1.34 in34 mm	N/A
88345044060	N/A QF15X10MM	N/A 10 mm	N/A 15	N/A 3x1.4	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
88345044026	N/A QF10260X260MM	N/A 260 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
88345044024	N/A QF10260X250MM	N/A 250 mm	N/A 10260	N/A 56x12.4	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
88345044022	N/A QF10260X225MM	N/A 225 mm	N/A 10260	N/A 50x11.4	N/A 7.22 in183.4 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
88345044020	N/A QF10260X220MM	N/A 220 mm	N/A 10260	N/A 50x11.4	N/A 7.22 in183.4 mm	N/A

88345044139

N/A QF175X58MM

N/A 58 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044138

N/A QF175X56MMU

N/A 56 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044136

N/A QF175X52MM

N/A 52 mm

N/A 175

N/A 16x4.3

N/A 2.67 in67.8 mm

N/A

88345044134

N/A QF175X42MMU

N/A 42 mm

N/A 175

N/A 12x3.3

N/A 2.67 in67.8 mm

N/A

88345044131

N/A QF175X35MM

N/A 35 mm

N/A 175

N/A 10x3.3

N/A 2.67 in67.8 mm

N/A

88345044107

N/A QF175S303X85MM

N/A 85 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044106

N/A QF175S303X80MM

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044105

N/A QF175S303X75MM

N/A 75 mm

N/A 175

N/A 20x4.9

N/A 2.67 in67.8 mm

N/A

88345044104

N/A QF175S303X65MM

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044103

N/A QF175S303X50MM

N/A 50 mm

N/A 175

N/A 14x3.8

N/A 2.67 in67.8 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

88345044075

N/A QF15X17MM

N/A 17 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

88345044072

N/A QF15X15MM

N/A 15 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

88345044067

N/A QF15X14MM

N/A 14 mm

N/A 15

N/A 5x2.3

N/A 1.34 in34 mm

N/A

88345044060

N/A QF15X10MM

N/A 10 mm

N/A 15

N/A 3x1.4

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

88345044026

N/A QF10260X260MM

N/A 260 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

88345044024

N/A QF10260X250MM

N/A 250 mm

N/A 10260

N/A 56x12.4

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

88345044022

N/A QF10260X225MM

N/A 225 mm

N/A 10260

N/A 50x11.4

N/A 7.22 in183.4 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

88345044020

N/A QF10260X220MM

N/A 220 mm

N/A 10260

N/A 50x11.4

N/A 7.22 in183.4 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