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
88345044215	N/A QF250S303X92MM	N/A 92 mm	N/A 250	N/A 25x5.4	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
88345044237	N/A QF250X30MM	N/A 30 mm	N/A 250	N/A 8x3.3	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
88345044251	N/A QF250X55MM	N/A 55 mm	N/A 250	N/A 16x4.3	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
88345044254	N/A QF250X65MM	N/A 65 mm	N/A 250	N/A 18x4.4	N/A 3.1 in78.7 mm	N/A
88345044256	N/A QF250X70MM	N/A 70 mm	N/A 250	N/A 20x4.9	N/A 3.1 in78.7 mm	N/A
88345044257	N/A QF250X76MM	N/A 76 mm	N/A 250	N/A 22x5.4	N/A 3.1 in78.7 mm	N/A
88345044258	N/A QF250X90MMU	N/A 90 mm	N/A 250	N/A 25x5.4	N/A 3.1 in78.7 mm	N/A
88345044259	N/A QF250X95MM	N/A 95 mm	N/A 250	N/A 25x5.4	N/A 3.1 in78.7 mm	N/A
88345044268	N/A QF25S303X35MM	N/A 35 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
88345044292	N/A QF25X27MM	N/A 27 mm	N/A 25	N/A 8x3.3	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
88345044296	N/A QF25X37MM	N/A 37 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345044297	N/A QF25X41MM	N/A 41 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345044298	N/A QF25X43MM	N/A 43 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345044299	N/A QF25X46MM	N/A 46 mm	N/A 25	N/A 14x3.8	N/A 1.81 in46 mm	N/A
88345044307	N/A QF3150X100MM	N/A 100 mm	N/A 3150	N/A 28x6.4	N/A 6.18 in157 mm	N/A
88345044308	N/A QF3150X110MMU	N/A 110 mm	N/A 3150	N/A 28x6.4	N/A 6.18 in157 mm	N/A
88345044309	N/A QF3150X130MM	N/A 130 mm	N/A 3150	N/A 32x7.4	N/A 6.18 in157 mm	N/A
88345044310	N/A QF3150X150MM	N/A 150 mm	N/A 3150	N/A 36x8.4	N/A 6.18 in157 mm	N/A
88345044311	N/A QF3150X160MM	N/A 160 mm	N/A 3150	N/A 40x9.4	N/A 6.18 in157 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

88345044216

N/A QF250S303X95MM

N/A 95 mm

N/A 250

N/A 25x5.4

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

88345044250

N/A QF250X50MM

N/A 50 mm

N/A 250

N/A 14x3.8

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

88345044253

N/A QF250X60MM

N/A 60 mm

N/A 250

N/A 18x4.4

N/A 3.1 in78.7 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

88345044256

N/A QF250X70MM

N/A 70 mm

N/A 250

N/A 20x4.9

N/A 3.1 in78.7 mm

N/A

88345044257

N/A QF250X76MM

N/A 76 mm

N/A 250

N/A 22x5.4

N/A 3.1 in78.7 mm

N/A

88345044258

N/A QF250X90MMU

N/A 90 mm

N/A 250

N/A 25x5.4

N/A 3.1 in78.7 mm

N/A

88345044259

N/A QF250X95MM

N/A 95 mm

N/A 250

N/A 25x5.4

N/A 3.1 in78.7 mm

N/A

88345044268

N/A QF25S303X35MM

N/A 35 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

88345044292

N/A QF25X27MM

N/A 27 mm

N/A 25

N/A 8x3.3

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

88345044296

N/A QF25X37MM

N/A 37 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345044297

N/A QF25X41MM

N/A 41 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345044298

N/A QF25X43MM

N/A 43 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345044299

N/A QF25X46MM

N/A 46 mm

N/A 25

N/A 14x3.8

N/A 1.81 in46 mm

N/A

88345044307

N/A QF3150X100MM

N/A 100 mm

N/A 3150

N/A 28x6.4

N/A 6.18 in157 mm

N/A

88345044308

N/A QF3150X110MMU

N/A 110 mm

N/A 3150

N/A 28x6.4

N/A 6.18 in157 mm

N/A

88345044309

N/A QF3150X130MM

N/A 130 mm

N/A 3150

N/A 32x7.4

N/A 6.18 in157 mm

N/A

88345044310

N/A QF3150X150MM

N/A 150 mm

N/A 3150

N/A 36x8.4

N/A 6.18 in157 mm

N/A

88345044311

N/A QF3150X160MM

N/A 160 mm

N/A 3150

N/A 40x9.4

N/A 6.18 in157 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