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
88345044377	N/A QF500S303X65MM	N/A 65 mm	N/A 500	N/A 18x4.4	N/A 3.75 in95.3 mm	N/A
88345044409	N/A QF500X65MM	N/A 65 mm	N/A 500	N/A 18x4.4	N/A 3.75 in95.3 mm	N/A
88345095972	N/A QF500X70MM	N/A 70 mm	N/A 500	N/A 20x4.9	N/A 3.75 in95.3 mm	N/A
88345044411	N/A QF500X75MM	N/A 75 mm	N/A 500	N/A 20x4.9	N/A 3.75 in95.3 mm	N/A
88345044378	N/A QF500S303X80MM	N/A 80 mm	N/A 500	N/A 22x5.4	N/A 3.75 in95.3 mm	N/A
88345041049	N/A QF500X80MM	N/A 80 mm	N/A 500	N/A 22x5.4	N/A 3.75 in95.3 mm	N/A
88345045749	N/A QF500X80MMU	N/A 80 mm	N/A 500	N/A 22x5.4	N/A 3.75 in95.3 mm	N/A
88345043152	N/A QF500X85MM	N/A 85 mm	N/A 500	N/A 22x5.4	N/A 3.75 in95.3 mm	N/A
88345044412	N/A QF500X89MM	N/A 89 mm	N/A 500	N/A 25x5.4	N/A 3.75 in95.3 mm	N/A
88345043153	N/A QF500X90MM	N/A 90 mm	N/A 500	N/A 25x5.4	N/A 3.75 in95.3 mm	N/A
88345044413	N/A QF500X95MM	N/A 95 mm	N/A 500	N/A 25x5.4	N/A 3.75 in95.3 mm	N/A
88345044379	N/A QF500X100MM	N/A 100 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345041046	N/A QF500X100MMU	N/A 100 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345095899	N/A QF500X105MM	N/A 105 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345095971	N/A QF500X108MM	N/A 108 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345044363	N/A QF500S303X110MM	N/A 110 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345095852	N/A QF500X110MM	N/A 110 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345044380	N/A QF500X110MMU	N/A 110 mm	N/A 500	N/A 28x6.4	N/A 3.75 in95.3 mm	N/A
88345096462	N/A QF500X115MM	N/A 115 mm	N/A 500	N/A 32x7.4	N/A 3.75 in95.3 mm	N/A
88345043932	N/A QF1000X30MMU	N/A 30 mm	N/A 1000	N/A 8x3.3	N/A 4.6 in116.8 mm	N/A
88345043959	N/A QF1000X60MM	N/A 60 mm	N/A 1000	N/A 18x4.4	N/A 4.6 in116.8 mm	N/A
88345049732	N/A QF1000X70MM	N/A 70 mm	N/A 1000	N/A 20x4.9	N/A 4.6 in116.8 mm	N/A
88345043961	N/A QF1000X75MM	N/A 75 mm	N/A 1000	N/A 20x4.9	N/A 4.6 in116.8 mm	N/A
88345043962	N/A QF1000X80MM	N/A 80 mm	N/A 1000	N/A 22x5.4	N/A 4.6 in116.8 mm	N/A
88345039979	N/A QF1000X80MMU	N/A 80 mm	N/A 1000	N/A 22x5.4	N/A 4.6 in116.8 mm	N/A

88345044377

N/A QF500S303X65MM

N/A 65 mm

N/A 500

N/A 18x4.4

N/A 3.75 in95.3 mm

N/A

88345044409

N/A QF500X65MM

N/A 65 mm

N/A 500

N/A 18x4.4

N/A 3.75 in95.3 mm

N/A

88345095972

N/A QF500X70MM

N/A 70 mm

N/A 500

N/A 20x4.9

N/A 3.75 in95.3 mm

N/A

88345044411

N/A QF500X75MM

N/A 75 mm

N/A 500

N/A 20x4.9

N/A 3.75 in95.3 mm

N/A

88345044378

N/A QF500S303X80MM

N/A 80 mm

N/A 500

N/A 22x5.4

N/A 3.75 in95.3 mm

N/A

88345041049

N/A QF500X80MM

N/A 80 mm

N/A 500

N/A 22x5.4

N/A 3.75 in95.3 mm

N/A

88345045749

N/A QF500X80MMU

N/A 80 mm

N/A 500

N/A 22x5.4

N/A 3.75 in95.3 mm

N/A

88345043152

N/A QF500X85MM

N/A 85 mm

N/A 500

N/A 22x5.4

N/A 3.75 in95.3 mm

N/A

88345044412

N/A QF500X89MM

N/A 89 mm

N/A 500

N/A 25x5.4

N/A 3.75 in95.3 mm

N/A

88345043153

N/A QF500X90MM

N/A 90 mm

N/A 500

N/A 25x5.4

N/A 3.75 in95.3 mm

N/A

88345044413

N/A QF500X95MM

N/A 95 mm

N/A 500

N/A 25x5.4

N/A 3.75 in95.3 mm

N/A

88345044379

N/A QF500X100MM

N/A 100 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345041046

N/A QF500X100MMU

N/A 100 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345095899

N/A QF500X105MM

N/A 105 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345095971

N/A QF500X108MM

N/A 108 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345044363

N/A QF500S303X110MM

N/A 110 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345095852

N/A QF500X110MM

N/A 110 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345044380

N/A QF500X110MMU

N/A 110 mm

N/A 500

N/A 28x6.4

N/A 3.75 in95.3 mm

N/A

88345096462

N/A QF500X115MM

N/A 115 mm

N/A 500

N/A 32x7.4

N/A 3.75 in95.3 mm

N/A

88345043932

N/A QF1000X30MMU

N/A 30 mm

N/A 1000

N/A 8x3.3

N/A 4.6 in116.8 mm

N/A

88345043959

N/A QF1000X60MM

N/A 60 mm

N/A 1000

N/A 18x4.4

N/A 4.6 in116.8 mm

N/A

88345049732

N/A QF1000X70MM

N/A 70 mm

N/A 1000

N/A 20x4.9

N/A 4.6 in116.8 mm

N/A

88345043961

N/A QF1000X75MM

N/A 75 mm

N/A 1000

N/A 20x4.9

N/A 4.6 in116.8 mm

N/A

88345043962

N/A QF1000X80MM

N/A 80 mm

N/A 1000

N/A 22x5.4

N/A 4.6 in116.8 mm

N/A

88345039979

N/A QF1000X80MMU

N/A 80 mm

N/A 1000

N/A 22x5.4

N/A 4.6 in116.8 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