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
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
88345032899	N/A QF5S303X18MM	N/A 18 mm	N/A 5	N/A 6x2.8	N/A 1.08 in27.4 mm	N/A
88345032900	N/A QF5S303X20MM	N/A 20.00 mm	N/A 5	N/A 6x2.8	N/A 1.08 in27.4 mm	N/A
88345032901	N/A QF5S303X22MM	N/A 22 mm	N/A 5	N/A 6x2.8	N/A 1.08 in27.4 mm	N/A
88345032902	N/A QF5S303X24MM	N/A 24.00 mm	N/A 5	N/A 8x3.3	N/A 1.08 in27.4 mm	N/A
88345032903	N/A QF5S303X25MM	N/A 25.00 mm	N/A 5	N/A 8x3.3	N/A 1.08 in27.4 mm	N/A
88345032987	N/A QF25X35MM	N/A 35 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345032988	N/A QF25X38MM	N/A 38 mm	N/A 25	N/A 10x3.3	N/A 1.81 in46 mm	N/A
88345032989	N/A QF25X42MM	N/A 42 mm	N/A 25	N/A 12x3.3	N/A 1.81 in46 mm	N/A
88345032990	N/A QF25X45MM	N/A 45 mm	N/A 25	N/A 14x3.8	N/A 1.81 in46 mm	N/A
88345039971	N/A QF50S303X19MM	N/A 19.00 mm	N/A 50	N/A 6x2.8	N/A 2.16 in54.9 mm	N/A
88345039972	N/A QF50X48MM	N/A 48 mm	N/A 50	N/A 14x3.8	N/A 2.16 in54.9 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
88345039980	N/A QF1000X115MMU	N/A 115 mm	N/A 1000	N/A 32x7.4	N/A 4.6 in116.8 mm	N/A
88345040938	N/A QF250X80MM	N/A 80 mm	N/A 250	N/A 22x5.4	N/A 3.1 in78.7 mm	N/A
88345040989	N/A QF175X60MM	N/A 60 mm	N/A 175	N/A 18x4.4	N/A 2.67 in67.8 mm	N/A
88345040999	N/A QF5S303X19MM	N/A 19.00 mm	N/A 5	N/A 6x2.8	N/A 1.08 in27.4 mm	N/A
88345041045	N/A QF250X70MMU	N/A 70 mm	N/A 250	N/A 20x4.9	N/A 3.1 in78.7 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
88345041047	N/A QF3150X168MM	N/A 168 mm	N/A 3150	N/A 40x9.4	N/A 6.18 in157 mm	N/A
88345041048	N/A QF3150X180MM	N/A 180 mm	N/A 3150	N/A 45x10.4	N/A 6.18 in157 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
88345041092	N/A QF50X60MMU	N/A 60 mm	N/A 50	N/A 18x4.4	N/A 2.16 in54.9 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

88345032899

N/A QF5S303X18MM

N/A 18 mm

N/A 5

N/A 6x2.8

N/A 1.08 in27.4 mm

N/A

88345032900

N/A QF5S303X20MM

N/A 20.00 mm

N/A 5

N/A 6x2.8

N/A 1.08 in27.4 mm

N/A

88345032901

N/A QF5S303X22MM

N/A 22 mm

N/A 5

N/A 6x2.8

N/A 1.08 in27.4 mm

N/A

88345032902

N/A QF5S303X24MM

N/A 24.00 mm

N/A 5

N/A 8x3.3

N/A 1.08 in27.4 mm

N/A

88345032903

N/A QF5S303X25MM

N/A 25.00 mm

N/A 5

N/A 8x3.3

N/A 1.08 in27.4 mm

N/A

88345032987

N/A QF25X35MM

N/A 35 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345032988

N/A QF25X38MM

N/A 38 mm

N/A 25

N/A 10x3.3

N/A 1.81 in46 mm

N/A

88345032989

N/A QF25X42MM

N/A 42 mm

N/A 25

N/A 12x3.3

N/A 1.81 in46 mm

N/A

88345032990

N/A QF25X45MM

N/A 45 mm

N/A 25

N/A 14x3.8

N/A 1.81 in46 mm

N/A

88345039971

N/A QF50S303X19MM

N/A 19.00 mm

N/A 50

N/A 6x2.8

N/A 2.16 in54.9 mm

N/A

88345039972

N/A QF50X48MM

N/A 48 mm

N/A 50

N/A 14x3.8

N/A 2.16 in54.9 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

88345039980

N/A QF1000X115MMU

N/A 115 mm

N/A 1000

N/A 32x7.4

N/A 4.6 in116.8 mm

N/A

88345040938

N/A QF250X80MM

N/A 80 mm

N/A 250

N/A 22x5.4

N/A 3.1 in78.7 mm

N/A

88345040989

N/A QF175X60MM

N/A 60 mm

N/A 175

N/A 18x4.4

N/A 2.67 in67.8 mm

N/A

88345040999

N/A QF5S303X19MM

N/A 19.00 mm

N/A 5

N/A 6x2.8

N/A 1.08 in27.4 mm

N/A

88345041045

N/A QF250X70MMU

N/A 70 mm

N/A 250

N/A 20x4.9

N/A 3.1 in78.7 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

88345041047

N/A QF3150X168MM

N/A 168 mm

N/A 3150

N/A 40x9.4

N/A 6.18 in157 mm

N/A

88345041048

N/A QF3150X180MM

N/A 180 mm

N/A 3150

N/A 45x10.4

N/A 6.18 in157 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

88345041092

N/A QF50X60MMU

N/A 60 mm

N/A 50

N/A 18x4.4

N/A 2.16 in54.9 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