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
88345044254	N/A QF250X65MM	N/A 65 mm	N/A 250	N/A 18x4.4	N/A 3.1 in78.7 mm	N/A
88345044253	N/A QF250X60MM	N/A 60 mm	N/A 250	N/A 18x4.4	N/A 3.1 in78.7 mm	N/A
88345044251	N/A QF250X55MM	N/A 55 mm	N/A 250	N/A 16x4.3	N/A 3.1 in78.7 mm	N/A
88345044250	N/A QF250X50MM	N/A 50 mm	N/A 250	N/A 14x3.8	N/A 3.1 in78.7 mm	N/A
88345044237	N/A QF250X30MM	N/A 30 mm	N/A 250	N/A 8x3.3	N/A 3.1 in78.7 mm	N/A
88345044216	N/A QF250S303X95MM	N/A 95 mm	N/A 250	N/A 25x5.4	N/A 3.1 in78.7 mm	N/A
88345044215	N/A QF250S303X92MM	N/A 92 mm	N/A 250	N/A 25x5.4	N/A 3.1 in78.7 mm	N/A
88345044214	N/A QF250S303X80MM	N/A 80 mm	N/A 250	N/A 22x5.4	N/A 3.1 in78.7 mm	N/A
88345044213	N/A QF250S303X75MM	N/A 75 mm	N/A 250	N/A 20x4.9	N/A 3.1 in78.7 mm	N/A
88345044212	N/A QF250S303X65MM	N/A 65 mm	N/A 250	N/A 18x4.4	N/A 3.1 in78.7 mm	N/A
88345044211	N/A QF250S303X60MM	N/A 60 mm	N/A 250	N/A 18x4.4	N/A 3.1 in78.7 mm	N/A
88345044201	N/A QF250S303X100MM	N/A 100 mm	N/A 250	N/A 28x6.4	N/A 3.1 in78.7 mm	N/A
88345044188	N/A QF1890X622MM	N/A 622 mm	N/A 1890	N/A	N/A 5.74 in145.8 mm	N/A
88345044156	N/A QF1890X165MM	N/A 165 mm	N/A 1890	N/A 40x9.4	N/A 5.74 in145.8 mm	N/A
88345044155	N/A QF1890X160MMU	N/A 160 mm	N/A 1890	N/A 40x9.4	N/A 5.74 in145.8 mm	N/A
88345044154	N/A QF1890X145MMU	N/A 145 mm	N/A 1890	N/A 36x8.4	N/A 5.74 in145.8 mm	N/A
88345044153	N/A QF1890X140MM	N/A 140 mm	N/A 1890	N/A 36x8.4	N/A 5.74 in145.8 mm	N/A
88345044152	N/A QF1890X125MM	N/A 125 mm	N/A 1890	N/A 32x7.4	N/A 5.74 in145.8 mm	N/A
88345044151	N/A QF1890X110MMU	N/A 110 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345044150	N/A QF1890X110MM	N/A 110 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345044149	N/A QF1890X100MM	N/A 100 mm	N/A 1890	N/A 28x6.4	N/A 5.74 in145.8 mm	N/A
88345044147	N/A QF175X80MMU	N/A 80 mm	N/A 175	N/A 22x5.4	N/A 2.67 in67.8 mm	N/A
88345044144	N/A QF175X75MME	N/A 75 mm	N/A 175	N/A 22 x 5.4	N/A 2.67 in67.8 mm	N/A
88345044141	N/A QF175X65MMU	N/A 65 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345044140	N/A QF175X65MME	N/A 65 mm	N/A 175	N/A 20 x 4.9	N/A 2.67 in67.8 mm	N/A

88345044254

N/A QF250X65MM

N/A 65 mm

N/A 250

N/A 18x4.4

N/A 3.1 in78.7 mm

N/A

88345044253

N/A QF250X60MM

N/A 60 mm

N/A 250

N/A 18x4.4

N/A 3.1 in78.7 mm

N/A

88345044251

N/A QF250X55MM

N/A 55 mm

N/A 250

N/A 16x4.3

N/A 3.1 in78.7 mm

N/A

88345044250

N/A QF250X50MM

N/A 50 mm

N/A 250

N/A 14x3.8

N/A 3.1 in78.7 mm

N/A

88345044237

N/A QF250X30MM

N/A 30 mm

N/A 250

N/A 8x3.3

N/A 3.1 in78.7 mm

N/A

88345044216

N/A QF250S303X95MM

N/A 95 mm

N/A 250

N/A 25x5.4

N/A 3.1 in78.7 mm

N/A

88345044215

N/A QF250S303X92MM

N/A 92 mm

N/A 250

N/A 25x5.4

N/A 3.1 in78.7 mm

N/A

88345044214

N/A QF250S303X80MM

N/A 80 mm

N/A 250

N/A 22x5.4

N/A 3.1 in78.7 mm

N/A

88345044213

N/A QF250S303X75MM

N/A 75 mm

N/A 250

N/A 20x4.9

N/A 3.1 in78.7 mm

N/A

88345044212

N/A QF250S303X65MM

N/A 65 mm

N/A 250

N/A 18x4.4

N/A 3.1 in78.7 mm

N/A

88345044211

N/A QF250S303X60MM

N/A 60 mm

N/A 250

N/A 18x4.4

N/A 3.1 in78.7 mm

N/A

88345044201

N/A QF250S303X100MM

N/A 100 mm

N/A 250

N/A 28x6.4

N/A 3.1 in78.7 mm

N/A

88345044188

N/A QF1890X622MM

N/A 622 mm

N/A 1890

N/A

N/A 5.74 in145.8 mm

N/A

88345044156

N/A QF1890X165MM

N/A 165 mm

N/A 1890

N/A 40x9.4

N/A 5.74 in145.8 mm

N/A

88345044155

N/A QF1890X160MMU

N/A 160 mm

N/A 1890

N/A 40x9.4

N/A 5.74 in145.8 mm

N/A

88345044154

N/A QF1890X145MMU

N/A 145 mm

N/A 1890

N/A 36x8.4

N/A 5.74 in145.8 mm

N/A

88345044153

N/A QF1890X140MM

N/A 140 mm

N/A 1890

N/A 36x8.4

N/A 5.74 in145.8 mm

N/A

88345044152

N/A QF1890X125MM

N/A 125 mm

N/A 1890

N/A 32x7.4

N/A 5.74 in145.8 mm

N/A

88345044151

N/A QF1890X110MMU

N/A 110 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345044150

N/A QF1890X110MM

N/A 110 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345044149

N/A QF1890X100MM

N/A 100 mm

N/A 1890

N/A 28x6.4

N/A 5.74 in145.8 mm

N/A

88345044147

N/A QF175X80MMU

N/A 80 mm

N/A 175

N/A 22x5.4

N/A 2.67 in67.8 mm

N/A

88345044144

N/A QF175X75MME

N/A 75 mm

N/A 175

N/A 22 x 5.4

N/A 2.67 in67.8 mm

N/A

88345044141

N/A QF175X65MMU

N/A 65 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345044140

N/A QF175X65MME

N/A 65 mm

N/A 175

N/A 20 x 4.9

N/A 2.67 in67.8 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